solution
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983k
difficulty
int64
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#include <bits/stdc++.h> using namespace std; char grid[1010][1010]; int n, m, dist[5][1010][1010], dx[4] = {0, 1, 0, -1}, dy[4] = {1, 0, -1, 0}, ans = 1061109567, col[5][5]; queue<pair<int, int> > q; int main() { int i, j, k, l, x, y, tx, ty; cin >> n >> m; memset(dist, 63, sizeof(dist)); for (i = 0; i < n; i++) { for (j = 0; j < m; j++) { cin >> grid[i][j]; } } for (i = 0; i < 3; i++) { for (j = 0; j < n; j++) { for (k = 0; k < m; k++) { if ((grid[j][k] - '1') == i) { q.push(make_pair(j, k)); dist[i][j][k] = 0; } } } while (!q.empty()) { x = q.front().first; y = q.front().second; q.pop(); for (j = 0; j < 4; j++) { tx = x + dx[j]; ty = y + dy[j]; if (tx < 0 || tx >= n || ty < 0 || ty >= m) { continue; } if (grid[tx][ty] == '#') { continue; } if (dist[i][tx][ty] > dist[i][x][y] + 1) { dist[i][tx][ty] = dist[i][x][y] + 1; q.push(make_pair(tx, ty)); } } } } for (i = 0; i < n; i++) { for (j = 0; j < m; j++) { if (dist[0][i][j] >= 1000000000 || dist[1][i][j] >= 1000000000 || dist[2][i][j] >= 1000000000) { continue; } ans = min(ans, dist[0][i][j] + dist[1][i][j] + dist[2][i][j] - 2); } } for (i = 0; i < 3; i++) { for (j = 0; j < 3; j++) { col[i][j] = 1000000000; for (k = 0; k < n; k++) { for (l = 0; l < m; l++) { if (grid[k][l] - '1' == j) { col[i][j] = min(col[i][j], dist[i][k][l] - 1); } } } } } ans = min(ans, min(col[0][1] + col[0][2], min(col[0][1] + col[1][2], col[0][2] + col[2][1]))); if (ans >= 1000000000) { cout << -1 << endl; } else { cout << ans << endl; } return 0; }
9
CPP
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { long long l, r; cin >> l >> r; long long l1, r1; l1 = l * pow(-1, l); r1 = r * pow(-1, r); long long dif = r - l + 1; if (dif % 2 == 0) { if (l1 > 0) { cout << (-1) * (dif / 2) << endl; } else cout << dif / 2 << endl; } else { if (l1 > 0) { cout << (-1) * (dif / 2) + r1 << endl; } else cout << (dif / 2) + r1 << endl; } } return 0; }
8
CPP
#include <bits/stdc++.h> using namespace std; const long long N = 53, INF = 1e18, MOD = 1e9 + 7; long long dis[N][N][2], way[N][N][2]; long long POW(long long a, long long b) { if (b == 0) return 1; long long ans = POW(a, b / 2); ans *= ans; ans %= MOD; if (b % 2) ans *= a; ans %= MOD; return ans; } long long C(long long a, long long b) { if (b == 0) return 1; long long ans = 1, res = 1; for (long long i = b - a + 1; i <= b; i++) ans *= i, ans %= MOD; for (long long i = 1; i <= a; i++) res *= i, res %= MOD; return (ans * POW(res, MOD - 2)) % MOD; } inline void BFS(long long a, long long b, long long k) { queue<pair<pair<long long, long long>, bool> > q; for (long long i = 0; i <= a; i++) for (long long j = 0; j <= b; j++) dis[i][j][0] = dis[i][j][1] = INF; dis[a][b][0] = 0; way[a][b][0] = 1; q.push({{a, b}, 0}); while (!q.empty()) { long long x = q.front().first.first, y = q.front().first.second, t = q.front().second; q.pop(); if (t) { x = a - x; y = b - y; } for (long long i = 0; i <= x; i++) { for (long long j = 0; j <= y; j++) { if (i + j > 0 && i * 50 + j * 100 <= k) { long long nx, ny; if (t) { x = a - x; y = b - y; nx = x + i, ny = y + j; } else { nx = x - i, ny = y - j; } if (dis[nx][ny][!t] > dis[x][y][t] + 1) { dis[nx][ny][!t] = dis[x][y][t] + 1; q.push({{nx, ny}, !t}); } if (dis[nx][ny][!t] == dis[x][y][t] + 1) { if (t) way[nx][ny][!t] += (way[x][y][t] * C(i, a - x) * C(j, b - y)) % MOD; else way[nx][ny][!t] += (way[x][y][t] * C(i, x) * C(j, y)) % MOD; way[nx][ny][!t] %= MOD; } if (t) { x = a - x; y = b - y; } } } } } } int32_t main() { ios::sync_with_stdio(0); cin.tie(0); long long n, k; cin >> n >> k; long long a = 0, b = 0; for (long long i = 0; i < n; i++) { long long x; cin >> x; if (x == 50) a++; else b++; } BFS(a, b, k); if (dis[0][0][1] >= INF) cout << -1 << endl << 0; else cout << dis[0][0][1] << endl << way[0][0][1]; return 0; }
11
CPP
n,m = map(int,input().split(' ')) arr = list(map(int,input().split(' '))) r = 0 for i in range(0,n): r+=arr[i] print(r//m) r = r%m
7
PYTHON3
import math t=int(input()) while t: n,m,k=list(map(int,input().split())) p=n//k if p>=m: print(m) else: x=p m=m-p y=m//(k-1) if m%(k-1)>0: y+=1 print(x-y) t-=1
7
PYTHON3
a=int(input()) faces=0 for i in range(a): data=input() if(data=="Tetrahedron"): faces+=4 elif(data=="Cube"): faces+=6 elif(data=="Octahedron"): faces+=8 elif(data=="Dodecahedron"): faces+=12 elif(data=="Icosahedron"): faces+=20 print(faces)
7
PYTHON3
a=[] count=0 for i in range (5): a.append(list(map(int, input().split()))) for i in range(5): for j in range(5): if a[i][j]==1: x=i y=j print((abs(2-x))+(abs(2-y)))
7
PYTHON3
#include <bits/stdc++.h> using namespace std; using LL = long long; using VI = vector<int>; using VL = vector<long long>; using VVI = vector<VI>; using VVL = vector<VL>; using MII = map<int, int>; using MIVI = map<int, VI>; using MLL = map<LL, LL>; int READ_INT() { int temp; cin >> temp; return temp; } LL READ_LONG() { LL temp; cin >> temp; return temp; } const int MOD = int(1e9) + 7; const int INF = 1e9 + 5; const double PI = acos(-1.0); const double EPS = 1e-9; LL n; vector<pair<LL, LL>> boxes; bool is_possible(LL side) { for (auto b : boxes) { LL cur_side = b.first; if (side - cur_side >= 16) continue; if (cur_side >= side) return false; LL capacity = pow(4, side - cur_side); if (capacity < b.second) return false; } return true; } int main() { ios::sync_with_stdio(false); n = READ_INT(); for (int i = 0; i < n; ++i) boxes.push_back({READ_LONG(), READ_LONG()}); sort(boxes.rbegin(), boxes.rend()); LL r = 1e18, l = 1, m; while (r > l) { m = l + (r - l) / 2; if (is_possible(m)) r = m; else l = m + 1; } cout << r << "\n"; return 0; }
9
CPP
#!/usr/bin/env python3 def main(): w = input() words = set() for i in range(len(w)): words.add(w[i:] + w[:i]) return len(words) if __name__ == '__main__': print(main())
7
PYTHON3
#include<iostream> #include<queue> #include<utility> using namespace std; int main(){ int n,m; while(cin>>n>>m,n){ int a,b,ans=0; priority_queue< pair<int,int> > c; for(int i=0;i<n;i++){ cin>>a>>b; c.push(make_pair(b,a)); } while(!c.empty()){ if(c.top().second>m){ c.push(make_pair(c.top().first,c.top().second-m)); c.pop(); break; } else { m-=c.top().second; c.pop(); } } while(!c.empty()){ ans+=c.top().first*c.top().second; c.pop(); } cout<<ans<<endl; } return 0; }
0
CPP
n,k = list(map(int, input().strip().split())) # creating a mapping array array = [0]*(2**k) for _ in range(n): t = int(''.join(input().strip().split()), 2) array[t] += 1 # now creating a compatibility array comp = [[] for i in range(2**k)] for i in range(2**k): for j in range(2**k): if i&j == 0: comp[i].append(j) # now doing the math flag = False if array[0] > 0: print('YES') flag = True for i in range(1, 2**k): if flag: break if array[i] > 0: for j in comp[i]: if array[j] > 0: print('YES') flag = True break if not flag: print('NO')
9
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int n, m; cin >> n >> m; int a[n], y, i; for (i = 0; i < n; i++) { cin >> a[i]; } std::map<int, int> code; for (int j = 0; j < m; j++) { cin >> y; for (i = 0; i < n; i++) { if (a[i] == y) { code[i] = y; } } } auto it = code.begin(); while (it != code.end()) { cout << it->second << " "; it++; } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int p[120000], size[120000], br[120000], is[120000]; void make(int x) { size[x] = 1; p[x] = x; } int find(int x) { if (x == p[x]) return x; return p[x] = find(p[x]); } void uni(int x, int y) { x = find(x); y = find(y); if (x != y) { if (x < y) swap(x, y); p[y] = x; size[x] += size[y]; } } int main() { int x, y, n, m, k, i, j; cin >> n >> m; for (i = 0; i < n; i++) make(i); for (i = 0; i < m; i++) { cin >> x >> y; x--; y--; uni(x, y); } cin >> k; for (i = 0; i < k; i++) { cin >> x >> y; x--; y--; j = find(x); if (j == find(y)) br[j] = 1; } int mx = 0; for (i = 0; i < n; i++) { j = find(i); is[j] = 1; } for (i = 0; i < n; i++) if (size[i] > mx && br[i] == 0 && is[i]) { mx = size[i]; } cout << mx << endl; return 0; }
9
CPP
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; inline int read() { int w = 1, s = 0; char ch = getchar(); while (!isdigit(ch)) { if (ch == '-') w = -1; ch = getchar(); } while (isdigit(ch)) { s = s * 10 + ch - '0'; ch = getchar(); } return w * s; } inline long long ksm(long long x, long long y) { long long res = 1; while (y) { if (y & 1) res = res * x % mod; x = x * x % mod; y >>= 1; } return res; } inline int pls(int a, int b) { a += b; return a >= mod ? a - mod : a; } inline int mns(int a, int b) { a -= b; return a < 0 ? a + mod : a; } int n, k, m, Idx[15][222], cnt; pair<int, int> tmp[101000]; struct Ma { int a[417][417]; inline void I() { memset(a, 0, sizeof(a)); for (register int i = 1; i <= cnt; ++i) a[i][i] = 1; } } trs, Ans; inline Ma operator*(Ma p, Ma q) { Ma res; memset(res.a, 0, sizeof(res.a)); for (register int i = 1; i <= cnt; ++i) for (register int j = 1; j <= cnt; ++j) { int k = 1, v = 0; unsigned long long w = 0; for (; k + 15 <= cnt; k += 16) v = (v + (unsigned long long)p.a[i][k] * q.a[k][j] + (unsigned long long)p.a[i][k + 1] * q.a[k + 1][j] + (unsigned long long)p.a[i][k + 2] * q.a[k + 2][j] + (unsigned long long)p.a[i][k + 3] * q.a[k + 3][j] + (unsigned long long)p.a[i][k + 4] * q.a[k + 4][j] + (unsigned long long)p.a[i][k + 5] * q.a[k + 5][j] + (unsigned long long)p.a[i][k + 6] * q.a[k + 6][j] + (unsigned long long)p.a[i][k + 7] * q.a[k + 7][j] + (unsigned long long)p.a[i][k + 8] * q.a[k + 8][j] + (unsigned long long)p.a[i][k + 9] * q.a[k + 9][j] + (unsigned long long)p.a[i][k + 10] * q.a[k + 10][j] + (unsigned long long)p.a[i][k + 11] * q.a[k + 11][j] + (unsigned long long)p.a[i][k + 12] * q.a[k + 12][j] + (unsigned long long)p.a[i][k + 13] * q.a[k + 13][j] + (unsigned long long)p.a[i][k + 14] * q.a[k + 14][j] + (unsigned long long)p.a[i][k + 15] * q.a[k + 15][j]) % mod; for (; k <= cnt; k++) w += (unsigned long long)p.a[i][k] * q.a[k][j]; res.a[i][j] = (v + w) % mod; } return res; } inline Ma ksm(Ma x, int y) { Ma res; res.I(); while (y) { if (y & 1) res = res * x; x = x * x; y >>= 1; } return res; } inline void Solve() { memset(trs.a, 0, sizeof(trs.a)); memset(Ans.a, 0, sizeof(Ans.a)); for (register int i = 1; i <= cnt; ++i) { pair<int, int> o = tmp[i]; int fir = o.first, sec = o.second, bit = __builtin_popcount(sec); if (sec & 1) { sec >>= 1; trs.a[i][Idx[fir][sec]] = bit; sec |= (1 << m); fir++; trs.a[i][Idx[fir][sec]] = bit; } else { sec >>= 1; trs.a[i][Idx[fir][sec]] = 1; sec |= (1 << m); fir++; trs.a[i][Idx[fir][sec]] = 1; } } for (register int i = 1; i <= cnt; ++i) { pair<int, int> o = tmp[i]; int fir = o.first, sec = o.second, bit = __builtin_popcount(sec); if (fir == bit) Ans.a[1][i] = 1; } Ans = Ans * ksm(trs, n - m - 1); long long ans = 0; for (register int i = 1; i <= cnt; ++i) { pair<int, int> o = tmp[i]; int fir = o.first, sec = o.second, bit = __builtin_popcount(sec); int oo = 1; for (register int i = 1; i <= bit; ++i) oo *= i; if (fir == k) { ans = pls(ans, 1ll * Ans.a[1][i] * oo % mod); } } cout << ans; } int main() { n = read(), k = read(), m = read(); m = min(m, n - 1); int all = 1 << (m + 1); all--; for (register int i = 0; i <= k; ++i) { for (register int j = 0; j <= all; ++j) { Idx[i][j] = ++cnt; tmp[cnt] = make_pair(i, j); } } Solve(); return 0; }
12
CPP
for r in range(5): row=input().split() for c in range(5): if row[c]=='1': moves=abs(r-2)+abs(c-2) print(moves)
7
PYTHON3
#include<cstdio> long long a[4] = {1}; char c; int main(){ while(EOF != scanf("%c", &c)) for(int j = 3; j >= 0; j--) a[j] = (a[j]*(c-'?'?1:3) + (j&&!(c-'?'&&c-'A'-j+1)?a[j-1]:0))%1000000007; printf("%lld\n", a[3]); }
0
CPP
n = input() a = n.count('4') + n.count('7') a = str(a) if set(a) | {'4','7'} == {'4','7'}: print('YES') else: print('NO')
7
PYTHON3
#include <bits/stdc++.h> typedef long long ll; using namespace std; int n; struct Data{ int t,m; bool operator<(const Data& another) const { if (t != another.t) return t < another.t; else return m < another.m; } }; int main() { cin.tie(0); ios::sync_with_stdio(false); while(true){ cin >> n; if(n == 0) break; int m,a,b; vector<Data> d; for (int i = 0;i < n;i++){ cin >> m >> a >> b; d.push_back({a,m}); d.push_back({b,-m}); } sort(d.begin(),d.end()); int sum = 0; bool ans = true; for (int i = 0;i < d.size();i++){ sum += d[i].m; if(sum > 150){ ans = false; } } cout << (ans?"OK":"NG") << endl; } return 0; }
0
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 3 * 1e5; const long long mod = 1e9 + 7; long long k[maxn + 5]; long long fac2[maxn + 5]; long long sumfac2[maxn + 5]; int n; int main() { scanf("%d", &n); for (int i = 1; i <= n; ++i) { scanf("%lld", &k[i]); } sort(k + 1, k + 1 + n); fac2[0] = 1ll; sumfac2[1] = 1ll; for (int i = 1; i <= n; ++i) { fac2[i] = fac2[i - 1] * 2ll % mod; sumfac2[i + 1] = (sumfac2[i] + fac2[i]) % mod; } int l = n - 1, r = 0; long long ans = 0ll; for (int i = n; i >= 1; --i) { ans = (ans + (k[i] * sumfac2[l--] - k[i] * sumfac2[r++]) % mod + mod) % mod; } printf("%lld\n", ans); return 0; }
7
CPP
n = int(input()) arr = [int(x) for x in input().strip().split()] m = int(input()) curr = 0 q = [] for i in range(0,m): k = [int(x) for x in input().strip().split()] q.append(k) # if arr[w-1]+h>w: # k = arr[w-1] # for i in range(w-1,min(arr[w-1]+h,n)): # arr[i] = max(k+h,arr[i]) # #print(arr,"2") # for i in range(0,w-1): # arr[i]=arr[w-1] # #print(arr,"3") for i in q: w,h=i print(max(curr,arr[w-1])) #print(arr,"1") curr = max(curr,max(curr,arr[w-1])+h) arr[w-1] = curr
7
PYTHON3
n = int(input()) a = [list(map(int, input().split())) for i in range(n)] p = [0] * n got = [0, 1] if n == 2: print(2, 1) exit() for i in range(n): if set(a[i]) == {0, 1}: p[i] = 1 break for need in range(1, n): for i in range(n): if set(a[i]) == set(got+[need]): p[i] = need got.append(need) break for i in range(n): if p[i] == 0: p[i] = n print(*p)
8
PYTHON3
a, b = map(int,input().split()) n = 1 while True: if a*(3**n)>b*(2**n): break n+=1 print(n)
7
PYTHON3
n = int(input()) if n%3 ==0: print("Oh, my keyboard!") else: x = list(map(int,input().split())) y = list(map(int,input().split())) l = [] for i in range(1,n+1): l.append(i) for i in y: x.append(i) x.sort() for i in x: if i == 0: x.remove(i) s = list(set(x)) if s == l: print("I become the guy.") else: print("Oh, my keyboard!")
7
PYTHON3
#include <bits/stdc++.h> using namespace std; namespace geometry { using type = long double; const type EPS = 1e-9; const type PI = cosl(-1.0); const type INF = 1e9; struct Point { type x; type y; Point(type x_ = 0.0, type y_ = 0.0) : x(x_), y(y_) {} Point operator+(const Point o) const { return Point(this->x + o.x, this->y + o.y); } Point *operator+=(const Point o) { this->x += o.x; this->y += o.y; return this; } Point operator-(const Point o) const { return Point(this->x - o.x, this->y - o.y); } Point *operator-=(const Point o) { this->x -= o.x; this->y -= o.y; return this; } Point operator*(const type c) const { return Point(this->x * c, this->y * c); } Point *operator*=(const type c) { this->x *= c; this->y *= c; return this; } Point operator/(const type c) const { return Point(this->x / c, this->y / c); } Point *operator/=(const type c) { this->x /= c; this->y /= c; return this; } Point rot(const type rad) const { return Point(this->x * cosl(rad) - this->y * sinl(rad), this->x * sinl(rad) + this->y * cosl(rad)); } type rot_diff(const Point o) const { type rot1 = atan2(this->y, this->x); type rot2 = atan2(o.y, o.x); type res = rot2 - rot1; return res; } }; type dot(Point a, Point b) { return (a.x * b.x) + (a.y * b.y); } type cross(Point a, Point b) { return (a.x * b.y) - (a.y * b.x); } int sign(type o) { if (o > 0) return +1; if (o < 0) return -1; return 0; } bool in_triangle(Point A, Point B, Point C, Point P) { if (sign(cross(A - C, B - C)) != sign(cross(P - C, B - C))) return false; if (sign(cross(B - A, C - A)) != sign(cross(P - A, C - A))) return false; if (sign(cross(C - B, A - B)) != sign(cross(P - B, A - B))) return false; if (sign(cross(B - C, A - C)) != sign(cross(P - C, A - C))) return false; if (sign(cross(C - A, B - A)) != sign(cross(P - A, B - A))) return false; if (sign(cross(A - B, C - B)) != sign(cross(P - B, C - B))) return false; return true; } using Shape = vector<Point>; type get_area(Shape s) { type res = 0.0; int sz = s.size(); for (int i = 0; i < sz; i++) { res += s[i].x * s[(i + 1) % sz].y; res -= s[i].y * s[(i + 1) % sz].x; } res /= 2.0; return res; } void print_shape(Shape s) { int sz = s.size(); Shape tmp; tmp.emplace_back(s[0]); for (int i = 1; i < sz; i++) if (hypotl(s[i].x - s[i - 1].x, s[i].y - s[i - 1].y) > EPS) tmp.emplace_back(s[i]); s = tmp; sz = s.size(); cout << sz << " "; for (int i = 0; i < sz; i++) cout << s[i].x << " " << s[i].y << " "; cout << "\n"; } Shape read_shape() { Shape res; Point in; int n; cin >> n; while (n--) { cin >> in.x >> in.y; res.emplace_back(in); } return res; } } // namespace geometry using namespace geometry; struct Operation { Shape start_shape; vector<Shape> cut_shapes; vector<Shape> tape_shapes; Shape final_shape; Operation() {} }; class Scissors_and_Tape { private: Shape Start, Target; type Area; vector<Operation> reverse_operations(vector<Operation> op) { reverse(op.begin(), op.end()); for (auto &i : op) swap(i.start_shape, i.final_shape); for (auto &i : op) swap(i.cut_shapes, i.tape_shapes); return op; } void rotate_left(Point &a, Point &b, Point &c) { Point tmp = a; a = b; b = c; c = tmp; } void rotate_right(Point &a, Point &b, Point &c) { Point tmp = c; c = b; b = a; a = tmp; } struct ListOfRectangles { vector<type> H, W; ListOfRectangles() {} int size() { return H.size(); } }; ListOfRectangles triangulate_to_rectangles(Shape s, vector<Operation> &ops) { Operation op; ListOfRectangles res; op.start_shape = s; type cur_x = 0.0; while (s.size() > 2) { for (int i = 0, N = s.size(); i < N; i++) { Point A = s[(i + N - 1) % N], B = s[i], C = s[(i + 1) % N]; if (sign(cross(B - A, C - A)) == -1) continue; bool no_point_inside_triangle = true; for (int j = 0; j < N; j++) { if (i == j || ((i + N - 1) % N) == j || ((i + N + 1) % N) == j) continue; if (in_triangle(A, B, C, s[j])) no_point_inside_triangle = false; } if (!no_point_inside_triangle) continue; type l_AB = dot(B - A, B - A), l_BC = dot(C - B, C - B), l_AC = dot(C - A, C - A); while (l_AB < max(l_BC, l_AC)) { rotate_left(A, B, C); l_AB = dot(B - A, B - A), l_BC = dot(C - B, C - B), l_AC = dot(C - A, C - A); } l_AB = dot(B - A, B - A), l_BC = dot(C - B, C - B), l_AC = dot(C - A, C - A); Point U = A + (C - A) * 0.5; Point V = B + (C - B) * 0.5; Point M = ((U * dot(V - U, V - U)) + ((V - U) * dot(C - U, V - U))) / dot(V - U, V - U); Point shift = A; type deg = (B - shift).rot_diff(Point(cur_x, 0)); if (get_area({A, B, V, U}) > 0) { op.cut_shapes.push_back({A, B, V, U}); op.tape_shapes.push_back({Point(cur_x, 0) + (A - shift).rot(deg), Point(cur_x, 0) + (B - shift).rot(deg), Point(cur_x, 0) + (V - shift).rot(deg), Point(cur_x, 0) + (U - shift).rot(deg)}); } if (get_area({U, M, C}) > 0) { op.cut_shapes.push_back({U, M, C}); op.tape_shapes.push_back( {Point(cur_x, 0) + (U - shift).rot(deg), Point(cur_x, 0) + (U + U - M - shift).rot(deg), Point(cur_x, 0) + (A - shift).rot(deg)}); } if (get_area({V, C, M}) > 0) { op.cut_shapes.push_back({V, C, M}); op.tape_shapes.push_back( {Point(cur_x, 0) + (V - shift).rot(deg), Point(cur_x, 0) + (B - shift).rot(deg), Point(cur_x, 0) + (V + V - M - shift).rot(deg)}); } res.W.push_back(sqrtl(l_AB)); res.H.push_back(get_area({A, B, C}) / res.W.back()); op.final_shape.push_back({cur_x, res.H.back()}); op.final_shape.push_back({cur_x + res.W.back(), res.H.back()}); assert(get_area({A, B, C}) >= 0); cur_x += sqrtl(l_AB); s.erase(s.begin() + i); break; } } op.final_shape.emplace_back(cur_x, 0); op.final_shape.emplace_back(0, 0); reverse(op.final_shape.begin(), op.final_shape.end()); ops.emplace_back(op); return res; } ListOfRectangles rectangles_to_ideal_rectangles(ListOfRectangles rect, vector<Operation> &ops) { type side = sqrtl(Area); vector<type> &H = rect.H; vector<type> &W = rect.W; while (true) { int N = rect.size(); bool stop = true; ListOfRectangles nxt; type cut_x = 0.0; type tape_x = 0.0; Operation op; op.start_shape = ops.back().final_shape; for (int i = 0; i < N; i++) { if (H[i] * 2.0 < side) { stop = false; op.cut_shapes.push_back({{cut_x, 0}, {cut_x + W[i] / 2.0, 0}, {cut_x + W[i] / 2.0, H[i]}, {cut_x, H[i]}}); op.tape_shapes.push_back({{tape_x, 0}, {tape_x + W[i] / 2.0, 0}, {tape_x + W[i] / 2.0, H[i]}, {tape_x, H[i]}}); op.cut_shapes.push_back({{cut_x + W[i] / 2.0, 0}, {cut_x + W[i], 0}, {cut_x + W[i], H[i]}, {cut_x + W[i] / 2.0, H[i]}}); op.tape_shapes.push_back({{tape_x, H[i]}, {tape_x + W[i] / 2.0, H[i]}, {tape_x + W[i] / 2.0, H[i] * 2.0}, {tape_x, H[i] * 2.0}}); op.final_shape.emplace_back(tape_x, H[i] * 2.0); op.final_shape.emplace_back(tape_x + W[i] / 2.0, H[i] * 2.0); tape_x += W[i] / 2.0; cut_x += W[i]; nxt.W.push_back(W[i] / 2.0); nxt.H.push_back(H[i] * 2.0); } else if (H[i] >= side) { stop = false; op.cut_shapes.push_back({{cut_x, 0}, {cut_x + W[i], 0}, {cut_x + W[i], H[i] / 2.0}, {cut_x, H[i] / 2.0}}); op.tape_shapes.push_back({{tape_x, 0}, {tape_x + W[i], 0}, {tape_x + W[i], H[i] / 2.0}, {tape_x, H[i] / 2.0}}); op.cut_shapes.push_back({{cut_x, H[i] / 2.0}, {cut_x + W[i], H[i] / 2.0}, {cut_x + W[i], H[i]}, {cut_x, H[i]}}); op.tape_shapes.push_back({{tape_x + W[i], 0}, {tape_x + W[i] * 2.0, 0}, {tape_x + W[i] * 2.0, H[i] / 2.0}, {tape_x + W[i], H[i] / 2.0}}); op.final_shape.emplace_back(tape_x, H[i] / 2.0); op.final_shape.emplace_back(tape_x + W[i] * 2.0, H[i] / 2.0); tape_x += W[i] * 2.0; cut_x += W[i]; nxt.W.push_back(W[i] * 2.0); nxt.H.push_back(H[i] / 2.0); } else { op.cut_shapes.push_back({{cut_x, 0}, {cut_x + W[i], 0}, {cut_x + W[i], H[i]}, {cut_x, H[i]}}); op.tape_shapes.push_back({{tape_x, 0}, {tape_x + W[i], 0}, {tape_x + W[i], H[i]}, {tape_x, H[i]}}); op.final_shape.emplace_back(tape_x, H[i]); op.final_shape.emplace_back(tape_x + W[i], H[i]); tape_x += W[i]; cut_x += W[i]; nxt.W.push_back(W[i]); nxt.H.push_back(H[i]); } } op.final_shape.emplace_back(tape_x, 0); op.final_shape.emplace_back(0, 0); reverse(op.final_shape.begin(), op.final_shape.end()); ops.emplace_back(op); rect = nxt; if (stop) break; } return rect; } void ideal_rectangles_to_square(ListOfRectangles rect, vector<Operation> &ops) { type cut_x = 0.0; type tape_x = 0.0; type side = sqrtl(Area); Operation op; op.start_shape = ops.back().final_shape; int N = rect.size(); vector<type> H = rect.H; vector<type> W = rect.W; for (int i = 0; i < N; i++) { type new_cut_x = cut_x + W[i]; type right_triangle = ((H[i] * W[i]) / side); type diff_height = side - H[i]; op.cut_shapes.push_back({{right_triangle + cut_x, 0}, {new_cut_x, 0}, {right_triangle + cut_x, diff_height}}); op.tape_shapes.push_back( {{tape_x, side - diff_height}, {W[i] - right_triangle + tape_x, side - diff_height}, {tape_x, side}}); op.cut_shapes.push_back({{new_cut_x, 0}, {new_cut_x, H[i]}, {W[i] - right_triangle + cut_x, H[i]}}); op.tape_shapes.push_back({{tape_x + right_triangle, diff_height}, {tape_x + right_triangle, side}, {tape_x, side}}); op.cut_shapes.push_back({{cut_x, 0}, {cut_x + right_triangle, 0}, {cut_x + right_triangle, diff_height}, {cut_x + W[i] - right_triangle, H[i]}, {cut_x, H[i]}}); op.tape_shapes.push_back({{tape_x, 0}, {tape_x + right_triangle, 0}, {tape_x + right_triangle, diff_height}, {tape_x + W[i] - right_triangle, H[i]}, {tape_x, H[i]}}); cut_x = new_cut_x; tape_x = tape_x + right_triangle; } op.final_shape = {{0, 0}, {side, 0}, {side, side}, {0, side}}; ops.emplace_back(op); } vector<Operation> polygon_to_square(Shape s) { vector<Operation> res; ListOfRectangles rectangles = triangulate_to_rectangles(s, res); ListOfRectangles ideal_rectangles = rectangles_to_ideal_rectangles(rectangles, res); ideal_rectangles_to_square(ideal_rectangles, res); return res; } public: Scissors_and_Tape(){}; Scissors_and_Tape(Shape s, Shape t) : Start(s), Target(t) {} vector<Operation> get_solution() { Area = get_area(Start); vector<Operation> start_to_square = polygon_to_square(Start); vector<Operation> target_to_square = reverse_operations(polygon_to_square(Target)); vector<Operation> res; res.insert(res.end(), start_to_square.begin(), start_to_square.end()); res.insert(res.end(), target_to_square.begin(), target_to_square.end()); return res; } }; int main() { cout << fixed << setprecision(10); Shape Start = read_shape(); Shape Target = read_shape(); Scissors_and_Tape solver(Start, Target); vector<Operation> solution = solver.get_solution(); int cur_id = 0; for (auto op : solution) { int new_id = cur_id + op.cut_shapes.size() + 1; cout << "scissors\n"; cout << cur_id << " " << op.cut_shapes.size() << "\n"; for (auto s : op.cut_shapes) print_shape(s); cout << "tape\n"; cout << op.tape_shapes.size(); for (int id = cur_id + 1; id < new_id; id++) cout << " " << id; cout << "\n"; for (auto s : op.tape_shapes) print_shape(s); print_shape(op.final_shape); cur_id = new_id; } return 0; }
9
CPP
#include<iostream> using namespace std; int main(){ int A,P; cin>>A>>P; cout<<(3*A+P)/2; return 0; }
0
CPP
#include <bits/stdc++.h> #pragma warning(disable : 4996) using namespace std; int n, m; int nex[200000]; pair<long long, long long> a[200000]; int par[200000][20]; int depth[200000]; long long ccw(pair<long long, long long> x, pair<long long, long long> y, pair<long long, long long> z) { return (y.first - x.first) * (z.second - x.second) - (y.second - x.second) * (z.first - x.first); } int lca(int x, int y) { int i, j; if (depth[x] < depth[y]) swap(x, y); int cha = depth[x] - depth[y]; for (i = 0; i < 20; i++) { if (cha & (1 << i)) x = par[x][i]; } if (x == y) return x; for (i = 19; i >= 0; i--) { if (par[x][i] != par[y][i]) x = par[x][i], y = par[y][i]; } return par[x][0]; } int main() { int i, j, k; scanf("%d", &n); for (i = 0; i < n; i++) scanf("%I64d%I64d", &a[i].first, &a[i].second); nex[n - 1] = n - 1; for (i = n - 2; i >= 0; i--) { int dab = i + 1; while (1) { if (ccw(a[i], a[dab], a[nex[dab]]) > 0) { dab = nex[dab]; } else break; } nex[i] = dab; } depth[n - 1] = 0; for (i = n - 2; i >= 0; i--) depth[i] = depth[nex[i]] + 1; for (i = n - 1; i >= 0; i--) { par[i][0] = nex[i]; for (j = 1; j < 20; j++) { par[i][j] = par[par[i][j - 1]][j - 1]; } } scanf("%d", &m); for (i = 0; i < m; i++) { int x, y; scanf("%d%d", &x, &y); x--, y--; printf("%d ", lca(x, y) + 1); } return 0; }
10
CPP
#include<iostream> using namespace std; int main(){ int a, b; cin>>a>>b; cout<<a*b<<" "<<(a+b)*2<<"\n"; }
0
CPP
year = int(input()) while 1: year += 1 a=year//1000 b=(year//100)%10 c=(year//10)%10 d=year%10 if a!=b and a!=c and a!=d and b!=c and b!=d and c!=d: break print(year)
7
PYTHON3
n = int(input()) if n % 2 == 0: print(n//2) print(*['2' for i in range(n//2)]) else: print(((n-3)//2) + 1) print(*['2' for i in range((n-3)//2)], '3')
7
PYTHON3
n = int(input()) a = [int(i) for i in input().split()] a.sort() c = 0 t = 0 for i in range(n): if a[i] >= t: c += 1 t += a[i] print(c)
10
PYTHON3
from collections import defaultdict,deque import sys,heapq,bisect,math,itertools,string,queue,copy,time sys.setrecursionlimit(10**8) INF = float('inf') mod = 10**9+7 eps = 10**-7 def inp(): return int(input()) def inpl(): return list(map(int, input().split())) def inpl_str(): return list(input().split()) def cal(x,y,f): return (x+y*W)*2+f def dijkstra(lines,N,s): weight = [INF]*N weight[s] = 0 def search(s,w_0,q,weight): for t,w in lines[s]: w += w_0 if weight[t] > w: heapq.heappush(q,[w,t]) weight[t] = w q = [[0,s]] heapq.heapify(q) while q: w,n = heapq.heappop(q) search(n,w,q,weight) return weight dxr = [ 1, 1, 1, 1, 1, 2, 2, 2, 3] dyr = [-2,-1, 0, 1, 2,-1, 0, 1, 0] dxl = [-1,-1,-1,-1,-1,-2,-2,-2,-3] dyl = [-2,-1, 0, 1, 2,-1, 0, 1, 0] while True: W,H = inpl() if W == 0: break ss = [list(input().split()) for _ in range(H)] N = W*H*2+2 S = W*H*2 T = W*H*2+1 lines = defaultdict(set) for x in range(W): for y in range(H): if ss[y][x] == 'S': lines[S].add((cal(x,y,0),0)) lines[S].add((cal(x,y,1),0)) if ss[y][x] == 'T': lines[cal(x,y,0)].add((T,0)) lines[cal(x,y,1)].add((T,0)) continue if ss[y][x] == 'X': continue else: f = 0 # 次が右足 for i in range(9): tx = x + dxr[i] ty = y + dyr[i] if (0 <= tx < W) and (0 <= ty < H): if ss[ty][tx] == 'S' or ss[ty][tx] == 'T': cost = 0 elif ss[ty][tx] == 'X': continue else: cost = int(ss[ty][tx]) lines[cal(x,y,0)].add((cal(tx,ty,1),cost)) f = 1 # 次が左足 for i in range(9): tx = x + dxl[i] ty = y + dyl[i] if (0 <= tx < W) and (0 <= ty < H): if ss[ty][tx] == 'S' or ss[ty][tx] == 'T': cost = 0 elif ss[ty][tx] == 'X': continue else: cost = int(ss[ty][tx]) lines[cal(x,y,1)].add((cal(tx,ty,0),cost)) weights = dijkstra(lines,N,S) if weights[T] == INF: print(-1) else: print(weights[T])
0
PYTHON3
n=eval(input()) t=n l=[0] for i in range(2,int(n**0.5)+1): while n%i==0: n/=i l.append(int(i)) if n>1 and n!=t: l.append(int(n)) if (len(l)!=3): try: print("1\n{}".format(l[1]*l[2])) except: print("1\n0") else: print(2)
9
PYTHON3
#include <bits/stdc++.h> #pragma comment(linker, "/stack:200000000") #pragma GCC optimize("Ofast,no-stack-protector") #pragma GCC target("avx") using namespace std; template <class T> int getbit(T s, int i) { return (s >> i) & 1; } template <class T> T onbit(T s, int i) { return s | (T(1) << i); } template <class T> T offbit(T s, int i) { return s & (~(T(1) << i)); } template <class T> int cntbit(T s) { return __builtin_popcountll(s); } template <class T> T gcd(T a, T b) { T r; while (b != 0) { r = a % b; a = b; b = r; } return a; } template <class T> T lcm(T a, T b) { return a / gcd(a, b) * b; } template <class T> inline int minimize(T& a, const T& val) { return val < a ? a = val, 1 : 0; } template <class T> inline int maximize(T& a, const T& val) { return a < val ? a = val, 1 : 0; } mt19937 RNG(chrono::high_resolution_clock::now().time_since_epoch().count()); inline int myrand() { return abs((int)RNG()); } const int MAXN = 1e5 + 100; const int MOD = 1e9 + 7; const long long MAXV = 1e9; const double eps = 1e-12; const int INF = 2e9 + 100; const long long INF_LL = 1e16; inline string toStr(long long x) { string tmp = ""; do tmp = char(x % 10 + '0') + tmp; while (x /= 10); return tmp; } inline long long toInt(string s) { long long res = 0; for (auto x : s) res = res * 10 + x - '0'; return res; } inline string toBinStr(long long x) { string res = ""; do res = (x % 2 ? "1" : "0") + res; while (x >>= 1LL); return res; } long long rnd(int k) { if (!k) return myrand() % MAXV + 1; long long t = myrand() % MAXV + 1; return (myrand() % t) + (MAXV - t); } long long random_gen(int sign) { long long x = rnd(myrand() % 2); long long s = myrand() % 2; s = !s ? 1 : -1; return sign == 1 ? x : sign == -1 ? -x : s * x; } int n; vector<int> g[MAXN]; vector<std::pair<int, int> > edge; int color[MAXN]; int deg[MAXN]; void dfs(int u) { color[u] = 1; for (auto v : g[u]) if (!color[v]) dfs(v); } bool retest() { long long a = 0, b = 0, c = 0; for (int u = (1), _b = (n); u <= _b; u++) if (color[u] == 1) ++a; else if (color[u] == 2) ++b; else if (color[u] == 3) ++c; if (!a || !b || !c) return false; if (a + b + c != n) return false; if (a * (b + c) + b * c != edge.size()) return false; for (auto E : edge) { int u = E.first, v = E.second; if (color[u] == color[v]) return false; } return true; } int Ares_KN() { int m; cin >> n >> m; while (m--) { int u, v; cin >> u >> v; edge.emplace_back(u, v); g[u].push_back(v), g[v].push_back(u); ++deg[u], ++deg[v]; } for (int u = (1), _b = (n); u <= _b; u++) if (deg[u] < 2) return !puts("-1"); int component = 0; for (int u = (1), _b = (n); u <= _b; u++) if (!color[u]) { dfs(u); ++component; } if (component > 1) return !puts("-1"); for (int u = (1), _b = (n); u <= _b; u++) sort(g[u].begin(), g[u].end()); memset(color, 0, sizeof(color)); color[1] = 1; for (int u = (2), _b = (n); u <= _b; u++) if (!binary_search(g[1].begin(), g[1].end(), u)) color[u] = 1; for (int u = (2), _b = (n); u <= _b; u++) if (!color[u]) { color[u] = 2; for (int v = (1), _b = (n); v <= _b; v++) if (!color[v]) if (!binary_search(g[u].begin(), g[u].end(), v)) color[v] = 2; break; } for (int u = (2), _b = (n); u <= _b; u++) if (!color[u]) { color[u] = 3; for (int v = (1), _b = (n); v <= _b; v++) if (!color[v]) if (!binary_search(g[u].begin(), g[u].end(), v)) color[v] = 3; break; } bool good = retest(); if (good) for (int u = (1), _b = (n); u <= _b; u++) printf("%d ", color[u]); else puts("-1"); return 0; } int main() { ios_base::sync_with_stdio(0), cin.tie(0); Ares_KN(); cerr << "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n"; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; int getint() { unsigned int c; int x = 0; while (((c = getchar()) - '0') >= 10) { if (c == '-') return -getint(); if (!~c) exit(0); } do { x = (x << 3) + (x << 1) + (c - '0'); } while (((c = getchar()) - '0') < 10); return x; } int n, in[1111]; int xs[1111], ys[1111]; const int base = 1111; int grid[3333][3333]; int main() { int i, j, tcc, tc = 1 << 28; for (tcc = 0; tcc < tc; tcc++) { xs[0] = ys[0] = 0; for (n = getint(), i = 0; i < n; i++) { in[i] = getint(); xs[i + 1] = xs[i] + in[i]; int s = (i & 1) ? -1 : 1; ys[i + 1] = ys[i] + in[i] * s; } memset(grid, 0, sizeof(grid)); for (i = 1; i < n + 1; i++) { int sx = (((xs[i] - xs[i - 1]) > 0) ? 1 : -1); int sy = (((ys[i] - ys[i - 1]) > 0) ? 1 : -1); char dir = '/'; if (sy < 0) dir = '\\'; for (int x = xs[i - 1], y = ys[i - 1]; x < xs[i]; x += sx, y += sy) { if (sy > 0) grid[-y + base][x] = dir; if (sy < 0) grid[-y + base + 1][x] = dir; } } int last = 0; for (i = 0; i < 3333; i++) for (j = 0; j < 3333; j++) { if (grid[i][j]) last = max(last, j); } for (i = 0; i < 3333; i++) { int draw = 0; for (j = 0; j < 3333; j++) if (grid[i][j]) { draw = 1; break; } if (draw == 0) continue; for (j = 0; j <= last; j++) { if (grid[i][j]) putchar(grid[i][j]); else putchar(' '); } puts(""); } } return 0; }
9
CPP
// Author: Utkarsh Pandey #include<bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int t; cin>>t; while(t--) { int n; cin>>n; string s; cin>>s; map<char,int> ma; int flag = 1; for(int i = 0;i<n;i++) { if(ma[s[i]] == 0) { ma[s[i]] = 1; } if(ma[s[i]] == -1) { flag = 0; break; } if(i) { if(s[i] != s[i-1]) { ma[s[i-1]] = -1; } } } if(flag) cout << "YES\n"; else cout << "NO\n"; } }
7
CPP
if __name__ == "__main__": n = int(input()) for i in range(n): tam = int(input()) numeros = list(map(int,input().split())) glo = numeros[tam-1] count = 0 for j in range(tam-2,-1,-1): if numeros[j] > glo: count += 1 glo = min(glo,numeros[j]) print(count)
8
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int n, b = 0; string a[10], x[101]; cin >> n >> x[0]; for (int i = 1; i < n; i++) { cin >> x[i]; if (x[i] == x[0]) b++; } b++; if (b > n / 2) { cout << x[0]; return 0; } for (int i = 0; i < n; i++) { if (x[i] != x[0]) { cout << x[i]; return 0; } } return 0; }
7
CPP
import math x, y = input().split(" ") x = int(x) y = int(y) x1 = y * math.log(x) y1 = x * math.log(y) if x1 == y1: print("=") elif x1 < y1: print("<") else: print(">")
8
PYTHON3
#include <bits/stdc++.h> using namespace std; const int INF = int(1e9); const double EPS = 1e-8; struct debugger { template <typename T> debugger& operator,(const T& v) { cerr << v << " "; return *this; } } dbg; int cols[5001], rows[5001]; int tcols[5001], trows[5001]; int main() { std::ios_base::sync_with_stdio(false); int n, m, k; scanf("%d%d%d", &n, &m, &k); vector<int> xs, ys; vector<pair<int, pair<int, int> > > ins; for (int it = 0; it < k; it++) { int typ, id, col; scanf("%d%d%d", &typ, &id, &col); id--; ins.emplace_back(typ, pair<int, int>(id, col)); if (typ == 1) { xs.push_back(id); } else { ys.push_back(id); } } sort(xs.begin(), xs.end()); xs.erase(unique(xs.begin(), xs.end()), xs.end()); sort(ys.begin(), ys.end()); ys.erase(unique(ys.begin(), ys.end()), ys.end()); int nn = (int)xs.size(), mm = (int)ys.size(); for (int it = 0; it < k; it++) { pair<int, pair<int, int> > p = ins[it]; if (p.first == 1) { int id = lower_bound(xs.begin(), xs.end(), p.second.first) - xs.begin(); rows[id] = p.second.second; trows[id] = it; } else { int id = lower_bound(ys.begin(), ys.end(), p.second.first) - ys.begin(); cols[id] = p.second.second; tcols[id] = it; } } vector<int> revx(n, -1), revy(m, -1); for (int id = 0; id < nn; id++) { revx[xs[id]] = id; } for (int id = 0; id < mm; id++) { revy[ys[id]] = id; } for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { int c = 0; int x = revx[i], y = revy[j]; if (x != -1 && y != -1) { if (trows[x] > tcols[y]) c = rows[x]; else c = cols[y]; } else if (x != -1) { c = rows[x]; } else if (y != -1) { c = cols[y]; } cout << c << " "; } cout << "\n"; } return 0; }
8
CPP
#!/usr/bin/python3 import sys def compress(l): x = l[0] cnt = 1 c = [] for i in range(1, len(l)): if l[i] == x: cnt += 1 else: c.append((x, cnt)) x = l[i] cnt = 1 c.append((x, cnt)) return c if __name__ == '__main__': n = int(sys.stdin.readline()) a = [int(x) for x in sys.stdin.readline().split()] a.sort() a = compress(a) dp = [0, a[0][0] * a[0][1]] for i in range(1, len(a)): x, c = a[i] px = a[i-1][0] dp.append(max(dp[-1], x*c + (dp[-1] if x > px + 1 else dp[-2]))) print(max(dp))
9
PYTHON3
l=input() l=l.split() l=[int(i) for i in l] l1=input() l1=l1.split() l1=[int(i) for i in l1] a=l1[l[1]-1] count=0 for i in l1: if(i>0 and i>=a): count+=1 print(count)
7
PYTHON3
n=int(input()) l,r,ans=[],[],0 for i in range(n): x,y=map(int,input().split()) l.append(x) r.append(y) for i in range(n): p=l[i] ans+=r.count(p) if(l[i]==r[i]): ans-=1 print(ans)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int inf = (1ll << 31) - 1; int n, m; double logg[1005]; double sum[1005]; double c[1005][1005]; int temp[1005]; void init() { c[0][0] = 1; for (int i = 1; i <= 1000; ++i) { c[i][0] = 1; for (int j = 1; j <= i; ++j) c[i][j] = c[i - 1][j] + c[i - 1][j - 1]; } } vector<int> eg[1005]; int v[1005], tot; int cmp(int a, int b) { return a > b; } double chose[1005][1005], gl[1005][1005]; int main() { init(); int tt, k; tot = 0; scanf("%d%d", &n, &m); for (int i = 1; i <= m; ++i) { scanf("%d", &k); for (int j = 0; j < k; ++j) { scanf("%d", &tt); eg[i].push_back(tt); v[tot++] = tt; } } sort(v, v + tot, cmp); chose[0][0] = 1; gl[0][0] = 1; int mo, d; for (int i = 1; i <= m; ++i) { mo = 0; d = 0; int has = eg[i].size(); for (int j = 0; j < has; ++j) if (eg[i][j] == v[n - 1]) d++; else if (eg[i][j] > v[n - 1]) mo++; for (int j = n; j >= mo; --j) { for (int k = 0; k <= d; ++k) { chose[i][j] += chose[i - 1][j - mo - k]; gl[i][j] += gl[i - 1][j - mo - k] / c[has][mo + k]; } } } printf("%.9lf\n", gl[m][n] / chose[m][n]); return 0; }
11
CPP
#include <cstdio> #include <cstring> #include <algorithm> #define MAXN 2010 using namespace std; int n,m; int a[MAXN][MAXN],b[MAXN],s[MAXN]; int p[MAXN][2]; void sort(){ static int cnt[MAXN]; memset(cnt,0,sizeof cnt); for(int i=1;i<=m;i++) cnt[b[i]]++; for(int i=1;i<=n+1;i++) cnt[i]+=cnt[i-1]; for(int i=m;i>=1;i--) s[cnt[b[i]]--]=i; } int gao(int l){ for(int i=1;i<=m;i++) if(a[l][i]) b[i]=l+1; sort(); memset(p,0,sizeof p); int res=0; for(int i=1;i<=m;i++){ int x=s[i]; p[x][0]=p[x][1]=x; if(p[x-1][0]){ p[p[x-1][0]][1]=p[x][1]; p[x][0]=p[p[x][1]][0]=p[x-1][0]; } if(p[x+1][1]){ p[p[x+1][1]][0]=p[x][0]; p[x][1]=p[p[x][0]][1]=p[x+1][1]; } res=max(res,(l-b[x]+2)*(p[x][1]-p[x][0]+2)); } return res; } int main(){ #ifdef DEBUG freopen("F.in","r",stdin); #endif scanf("%d%d",&n,&m); for(int i=1;i<=n;i++){ static char str[MAXN]; scanf("%s",str+1); for(int j=1;j<=m;j++) if(str[j]=='#') a[i][j]=1; } for(int i=1;i<n;i++) for(int j=1;j<m;j++) a[i][j]=a[i][j]^a[i+1][j]^a[i][j+1]^a[i+1][j+1]; int ans=max(n,m); n--; m--; for(int i=1;i<=m;i++) b[i]=1; for(int i=1;i<=n;i++) ans=max(ans,gao(i)); printf("%d\n",ans); return 0; }
0
CPP
#include <bits/stdc++.h> using namespace std; const int N = 508; char d[N]; int n, m, c[N][N], a[N][N]; int b[N][N]; int out(int x, int y) { int i, p, q; for (p = x, q = y; p < q; p++, q--) d[q] = d[p]; for (i = x; i <= y; i++) printf("%c", d[i]); return 0; } int dfs(int x, int y) { if (y == 1) { out(1, x); printf("+"); return 0; } dfs(b[x][y], y - 1); out(b[x][y] + 1, x); printf("+"); return 0; } int main(void) { int i, j, k, p, q; scanf("%s%d", d + 1, &m); n = strlen(d + 1); for (i = 1; i <= n; i++) for (j = i; j <= n; j++) { k = 0; for (p = i, q = j; p < q; p++, q--) k += (d[p] != d[q]); c[i][j] = k; } for (i = 1; i <= n; i++) a[i][1] = c[1][i]; for (k = 2; k <= m; k++) for (i = 1; i <= n; i++) { a[i][k] = N; for (j = 1; j < i; j++) if (a[j][k - 1] + c[j + 1][i] < a[i][k]) { a[i][k] = a[j][k - 1] + c[j + 1][i]; b[i][k] = j; } } k = 1; for (i = 2; i <= m; i++) if (a[n][k] > a[n][i]) k = i; printf("%d\n", a[n][k]); if (k > 1) dfs(b[n][k], k - 1); out(b[n][k] + 1, n); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; priority_queue<int, vector<int>, greater<int> > Q; const int INF = 1e9 + 9; long int pow(long int a, long int b, int m) { a %= m; long long res = 1; while (b > 0) { if (b & 1) res = res * a % m; a = a * a % m; b >>= 1; } return res; } int main() { int n; cin >> n; int ar[n + 5]; for (int i = 1; i <= n; i++) { cin >> ar[i]; } int ans[n + 5]; for (int i = 1; i <= n; i++) { ans[i] = i; } int k = 0, c = 0; int ind = 0; int si = 0; for (int i = 1; i <= n; i++) { if (ar[i] != ans[i]) { c++; si = i; for (k = i; k <= n; k++, i++) { if (ar[k + 1] > ar[k]) { ind = k; break; } } } } if (c > 1) { cout << 0 << " " << 0 << endl; } bool flag = true; for (int j = k + 1; j <= ind; j++) { if (ar[j] != ar[j - 1] - 1) { flag = false; cout << 0 << " " << 0 << endl; return 0; } } if (flag and c == 1) { cout << si << " " << ind << endl; } if (c == 0) { cout << 0 << " " << 0 << endl; } }
8
CPP
#include <bits/stdc++.h> using namespace std; int main() { string s; cin >> s; int n = s.length(); int ans = 0; int m = 1; for (int i = 1; i < n; i++) { if (s[i] == s[i - 1]) m++; else { if (m % 2 == 0) ans++; m = 1; } } if (m != 1 && m % 2 == 0) ans++; cout << ans << "\n"; return 0; }
7
CPP
import sys from collections import deque def do(): a2i = lambda x: ord(x) - ord("a") n, m = map(int, input().split()) s = input() target = input() posAlphas = [deque([]) for _ in range(26)] loc = [None] * m cur = 0 for i in range(m): while s[cur] != target[i]: cur += 1 loc[i] = cur cur += 1 res = -1 for i in range(m-1): res = max(res, loc[i+1] - loc[i]) curMax = 10 ** 9 for i in range(n): val = a2i(s[i]) posAlphas[val].append(i) for i in range(m-1, 0, -1): curLoc = loc[i] curChar = a2i(target[i]) while len(posAlphas[curChar]) > 0: canPos = posAlphas[curChar].pop() if curMax <= canPos: continue if canPos <= curLoc: break loc[i] = canPos break curMax = loc[i] res = max(res, loc[i] - loc[i - 1]) print(res) do()
9
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int M[n][2]; for (int i = 0; i < n; i++) { cin >> M[i][1] >> M[i][2]; } int k = 0; vector<int> v1, v2; for (int i = 0; i < n; i++) { double inf = M[i][1] + 0.5, sup = M[i][2] - 0.5; for (int j = 0; j < n; j++) { if (((M[j][1] - inf) * (M[j][2] - inf) < 0 or (M[j][1] - sup) * (M[j][2] - sup) < 0) and i != j) { v1.push_back(i); v2.push_back(j); k++; } } } if (k == 0) { cout << n << endl; for (int i = 0; i < n; i++) { cout << i + 1 << " "; } } else { int o1 = 1, o2 = 1; int my = v1[0], mn = v2[0]; if (v1[0] < v2[0]) { my = v2[0]; mn = v1[0]; } for (int i = 0; i < k; i++) { if ((v1[i] - my) * (v2[i] - my) != 0) { o1 = 0; } if ((v1[i] - mn) * (v2[i] - mn) != 0) { o2 = 0; } } cout << o1 + o2 << endl; if (o2) { cout << mn + 1 << " "; } if (o1) { cout << my + 1 << " "; } } }
9
CPP
#include <bits/stdc++.h> using namespace std; typedef long long ll; const int MAX_N = 44; int N; ll _F[MAX_N][MAX_N][MAX_N]; char A[MAX_N][MAX_N]; ll F(int l, int i, int r) { ll &res = _F[l][i][r]; if (res != -1) return res; if (l == r) return res = 1; if (r - l & 1) return res = 0; res = 0; for (int j = l; j < i; j++) { for (int k = i + 1; k <= r; k++) { if (A[j][k] != '1') continue; for (int p = j; p < i; p++) { for (int q = i + 1; q <= k; q++) { res += F(l, j, p) * F(q, k, r) * F(p + 1, i, q - 1); } } } } return res; } int main() { scanf("%d", &N); for (int i = 1; i <= 2 * N; i++) scanf("%s", A[i] + 1); memset(_F, -1, sizeof(_F)); ll ans = 0; for (int i = 2; i <= 2 * N; i++) { if (A[1][i] != '1') continue; ans += F(2, i, 2 * N); } printf("%lld\n", ans); }
0
CPP
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; for (int p = 0; p < t; p++) { int n; cin >> n; int a[n]; for (int i = 0; i < n; i++) { int x; cin >> x; a[i] = x; } sort(a, a + n); int i = n - 1; int l = 0; for (int i = 0; i < n; i++) { if (a[i] <= i + 1 || a[i] <= i) l = i + 1; } cout << l + 1 << endl; } }
8
CPP
#include <bits/stdc++.h> using namespace std; inline bool isvowel(char c) { c = tolower(c); if (c == 'a' || c == 'e' || c == 'i' || c == 'y' || c == 'o' || c == 'u') return 1; return 0; } const double eps = 0.000001; const long double pi = acos(-1); const int maxn = 1e7 + 9; const int mod = 1e9 + 7; const long long MOD = 1e18 + 9; const long long INF = 1e18 + 123; const int inf = 2e9 + 11; const int mxn = 1e6 + 9; const int N = 1e6 + 123; const int M = 22; const int pri = 997; const int Magic = 2101; const int dx[] = {-1, 0, 1, 0}; const int dy[] = {0, -1, 0, 1}; int n, m, k; int cnt[N]; string s; int a[N]; vector<int> g[N]; int u[N]; long long ans, res; void dfs(int v) { u[v] = 1; for (auto to : g[v]) { if (to > v) { res += to / v * 2; } else { res += v / to * 2; } if (!u[to]) dfs(to); } } int main() { cin >> n; for (int i = 2; i <= n; i++) { for (int j = i + i; j <= n; j += i) { g[i].push_back(j); g[j].push_back(i); } } for (int i = 1; i <= n; i++) { if (!u[i]) { res = 0; dfs(i); ans = max(ans, res); } } cout << ans << '\n'; return 0; }
10
CPP
def main(): inp = input().split() n = int(inp[0]) k = int(inp[1]) mySet = set() for i in range(1, min(k + 1, 50)): rem = n % i if rem in mySet: print("No") exit(0) mySet.add(rem) print("Yes") if __name__ == "__main__": main()
9
PYTHON3
#include <bits/stdc++.h> using namespace std; const int maxn = 100100; int n; char s[maxn]; int ret; int main() { scanf("%d", &n); scanf("%s", s); ret = 3; for (int i = (1); i < (n); i++) ret += (s[i] != s[i - 1]); if (ret > n) ret = n; printf("%d\n", ret); return 0; }
9
CPP
t=int(input()) for i in range(t): n,k=map(int,input().split()) for j in range(2,n+1): if n%j==0: print(n+j+2*(k-1)) break
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int p[3000], v[3000]; int main(void) { int n; scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &p[i]); if (p[i] == -1) v[i] = 0; else v[i] = p[i]; } int th = 0, max = 0; for (int i = 1; i <= n; i++) { th = 1; int t = v[i]; while (t) { t = v[t]; th++; } max = max > th ? max : th; } printf("%d\n", max); return 0; }
7
CPP
def main(): t = 1 for _ in range(t): n = int(input()) tab = list(map(int,input().split())) inc = 0 nb_dup = 0 nb_pp = 0 tab.sort() l = -1 for x in range(n): if tab[x] == l: nb_dup += 1 else: inc += 0 nb_pp += nb_dup nb_dup = 1 if nb_pp > 0: inc += 1 nb_pp -= 1 l = tab[x] print(inc) main()
9
PYTHON3
#include<bits/stdc++.h> using namespace std; char S[8][10][10]={ {},{},{},{}, { "aaca", "bbca", "acbb", "acaa" }, { "aabba", "bcc.a", "b..cb", "a..cb", "abbaa" }, { "aabc..", "ddbc..", "..aabc", "..ddbc", "bc..aa", "bc..dd" }, { "aabbcc.", "dd.dd.a", "..d..da", "..d..db", "dd.dd.b", "..d..dc", "..d..dc" } }; char s[1005][1005]; void solve(int &x,int N){ for(int i=0;i<N;++i) for(int j=0;j<N;++j) s[x+i][x+j]=S[N][i][j]; x+=N; } int main(){ int n; cin>>n; if(n<=2) return puts("-1"),0; if(n<=3) return puts("add"),puts("a.c"),puts("bbc"),0; int tmp=1; for(int i=1;i<=n;++i) for(int j=1;j<=n;++j) s[i][j]='.'; solve(tmp,n%4+4); while(tmp<=n) solve(tmp,4); for(int i=1;i<=n;++i,puts("")) for(int j=1;j<=n;++j) cout<<s[i][j]; return 0; }
0
CPP
a = list(str(input())) b = list(str(input())) ans = [] for x, y in zip(a,b): if int(x)== int(y): ans.append('0') else: ans.append("1") print ("".join(ans))
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int n; string s; cin >> n; for (int i = 1; i <= n; i++) { cin >> s; if (s.size() > 10) cout << s.at(0) << s.size() - 2 << s.at(s.size() - 1) << endl; else cout << s << endl; } }
7
CPP
a=int(input()) i=0 b=[] while i in range(a): b.append(int(input())) i+=1 r=len(b) o=0 u=[] while o in range(r): if b[o]==180: print('NO') else: g=360/(180-b[o]) if int(g)==g : print('YES') else: print('NO') o+=1
7
PYTHON3
A,B=map(int,input().split()) X=[A+B,A-B,A*B] print(max(X))
0
PYTHON3
s = input() s = s.split('S') print(max([len(i) for i in s]))
0
PYTHON3
n = int(input()) b = 0 o = 0 while b < n: b += 1 x = input() if "++" in x: o += 1 elif "-" in x: o -= 1 elif "X" in x: o = o else: break print(o)
7
PYTHON3
n,a,b = map(int,input().split()) if abs(b-a) % 2 == 0: print('Alice') else: print('Borys')
0
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { double ans = 0; int n; cin >> n; int p; cin >> p; vector<int> L, R; for (int i = 0 - (0 > n); i != n - (0 > n); i += 1 - 2 * (0 > n)) { int l, r; cin >> l >> r; L.push_back(l); R.push_back(r); } L.push_back(L[0]); R.push_back(R[0]); for (int i = 0 - (0 > n); i != n - (0 > n); i += 1 - 2 * (0 > n)) { int l, r; int ll, rr; l = L[i]; r = R[i]; ll = L[i + 1]; rr = R[i + 1]; int u = r / p - (l - 1) / p; int uu = rr / p - (ll - 1) / p; ans += 2000.0 * (1.0 * u / (r - l + 1) + (1.0 - 1.0 * u / (r - l + 1)) * (1.0 * uu / (rr - ll + 1))); } cout << setprecision(15) << ans << "\n"; return 0; }
9
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 100100; int n, m; char a[202][202], b[202][202], ans[202][202]; void show() { for (int i = 0; i < m; i++) { cout << '\n'; for (int j = 0; j < n; j++) cout << b[i][j]; } cout << '\n'; } int main() { cin >> m >> n; for (int i = 0; i < n; i++) { string s; cin >> s; for (int j = 0; j < m; j++) a[i][j] = s[j]; } for (int i = 0; i < m; i++) for (int j = 0; j < n; j++) b[i][j] = a[n - 1 - j][i]; swap(n, m); for (int i = 0; i < n; i++) for (int j = 0; j < m / 2; j++) swap(b[i][j], b[i][m - 1 - j]); for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) ans[2 * i][2 * j] = ans[2 * i][2 * j + 1] = ans[2 * i + 1][2 * j] = ans[2 * i + 1][2 * j + 1] = b[i][j]; for (int i = 0; i < 2 * n; i++) { for (int j = 0; j < 2 * m; j++) cout << ans[i][j]; cout << '\n'; } return 0; }
7
CPP
R = lambda : list(map(int, input().split())) n,a,s = R(),R(),0 for x in a: s+=x if s: print("YES\n1\n1 "+str(len(a))) else: p,f=0,0 for i in range(len(a)): p+=a[i] if(p!=0 and not f): print("YES\n2\n1 %d\n%d %d" % (i+1, i+2, len(a))) f=1 if not f: print("NO")
7
PYTHON3
#include <bits/stdc++.h> char str[1000005]; int main() { int cntx = 0, cnty = 0; scanf("%s", str); int n = strlen(str); for (int i = 0; i < n; i++) { if (str[i] == 'x') cntx++; else cnty++; } if (cntx < cnty) { for (int i = 0; i < cnty - cntx; i++) printf("y"); } else { for (int i = 0; i < cntx - cnty; i++) printf("x"); } }
8
CPP
for i in range(int(input())): am = int(input()) arr = list(map(int,input().split())) print(am - (am - len(set(arr))))
7
PYTHON3
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 5; long long mod = 998244353; int n, m, t, k; int a[maxn]; struct dp { queue<long long> q; long long sum; int push(long long x) { sum = (sum + x) % mod; q.push(x); if (q.size() >= m) { sum = (sum - q.front() + mod) % mod; q.pop(); } return 0; } int clear() { int i, j; sum = 0; queue<long long> empty; swap(q, empty); return 0; } dp() { sum = 0; } }; dp f[5]; int read() { int x; scanf("%d", &x); return x; } int main() { int i, j; long long sum; long long ans = 0; int x, y = -1; queue<int> q; n = read(); k = read(); m = read(); for (i = 1; i <= n; i++) { a[i] = read(); if (a[i] != -1) { q.push(a[i]); } } if (a[1] == -1) { f[0].push(k); f[1].push(1); } else { f[0].push(1); x = q.front(); q.pop(); if (q.size() >= 1) { if (q.front() == x) { f[1].push(1); } else { f[1].clear(); } } } for (i = 2; i <= n; i++) { sum = f[0].sum; if (a[i] == -1) { f[0].push(sum * (long long)(k - 1) % mod); f[1].push((sum - f[1].sum + mod) % mod); } else { x = q.front(); q.pop(); f[1].push((sum - f[1].sum + mod) % mod); f[0] = f[1]; if (q.size() >= 1) { if (q.front() != x) { f[1].clear(); } } } } ans = f[0].sum; printf("%lld\n", ans); return 0; }
12
CPP
t=int(input()) for h in range(t): n=int(input()) A=list(map(int,input().split())) if n%2==0: for k in range(0,n,2): print(A[k+1],-A[k],end=' ') print('') else: a=1 c=A[-1] x=A[-2] z=A[-3] if A[-1]==A[-2]: if A[-2]==A[-3]: a=3 else: a=2 for k in range(0,n-3,2): print(A[k+1],-A[k],end=' ') if a==1: print(x-c,-z,z) elif a==2: print(x,c-z,-x) elif a==3: print(-2*x,x,x)
10
PYTHON3
# roundoff x to the closest multiple of n def roundoff(x, n): remainder = x % n roundoff_remainder = int((remainder + n/2) // n) return x // n + roundoff_remainder def abs(n): if n < 0: n = -n return n x = int(input()) # steps = [5, 4, 3, 2 , 1] # count = 0 # for step in steps: # if (x < step): # continue # count += roundoff(x, step) # x = abs(x - roundoff(x, step) * step) if x > 5: if x % 5: print(x//5 + 1) else: print(x//5) else: print(1) # print(count)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; double f[2100][2100]; bool bo[2100][2100]; int A[2100], B[2100], x, y, n, m, i; double work(int i, int j) { if (i > n || j > n) return 0; if (i == n && j == n) return 0; if (bo[i][j]) return f[i][j]; bo[i][j] = 1; f[i][j] = ((work(i + 1, j) * (n - i) * j + work(i, j + 1) * i * (n - j) + work(i + 1, j + 1) * (n - i) * (n - j)) / n / n + 1) / (1 - 1.0 * i * j / n / n); return f[i][j]; } int main() { scanf("%d%d", &n, &m); for (i = 1; i <= m; ++i) { scanf("%d%d", &x, &y); A[x] = 1; B[y] = 1; } x = y = 0; for (i = 1; i <= n; ++i) if (A[i]) x++; for (i = 1; i <= n; ++i) if (B[i]) y++; printf("%lf\n", work(x, y)); }
8
CPP
n = int(input()) # 7 options = 6 # 20 options != 6 mod = 1000000007 def expmod(a, b, m): res = 1%m a %= m while (b): if (b % 2 == 1): res = (res * a) % m a = (a*a)%m b = b // 2 return res result = 0 for x in range(n): result = (20 * expmod(7, x, mod) + 27 * result) % mod print(result)
8
PYTHON3
if __name__ == '__main__': a=['H','Q','9'] n=input() for i in a: if i in n: print("YES") exit() print("NO")
7
PYTHON3
#include<bits/stdc++.h> using namespace std; int cnt; void insertionSort(int *A,int n,int g){ for(int i=g;i<n;i++){ int v=A[i]; int j=i-g; while(j>=0&&A[j]>v){ A[j+g]=A[j]; j=j-g; cnt++; } A[j+g]=v; } } void shellSort(int A[],int n){ cnt=0; int r=1; vector<int> G; while(r<=n){ G.push_back(r); r=2*r+1; } int m=G.size(); reverse(G.begin(),G.end()); cout<<m<<endl; for(int i=0;i<m;i++) cout<<G[i]<<" \n"[i==m-1]; for(int i=0;i<m;i++) insertionSort(A,n,G[i]); cout<<cnt<<endl; } signed main(){ int n; cin>>n; int A[n]; for(int i=0;i<n;i++) cin>>A[i]; shellSort(A,n); for(int k=0;k<n;k++) cout<<A[k]<<endl; return 0; }
0
CPP
from math import log2,ceil for i in range(int(input())): n=int(input()) ind=ceil(log2(n)) j=4 while(j<=n): if(n%(j-1)==0): break else: j*=2 print(n//(j-1))
7
PYTHON3
#include <bits/stdc++.h> using namespace std; long long int mod_expo(long long int MOD, long long int a, long long int b) { long long int ans = 1; while (b) { if (b % 2) { ans *= a; ans %= MOD; } b /= 2; a *= a; a %= MOD; } return ans % MOD; } void display(vector<int> v1) { for (int i = 0; i < v1.size(); i++) { cout << v1[i] << " "; } cout << endl; } int dx[8] = {0, 1, 0, -1, 1, 1, -1, -1}; int dy[8] = {1, 0, -1, 0, 1, -1, 1, -1}; using namespace std; const int M = 100000 + 10; struct EDGE { int u, v, w, rampid; EDGE() {} EDGE(int u, int v, int w, int rampid) : u(u), v(v), w(w), rampid(rampid) {} }; struct RAMP { int x, d, t, p; } ramp[M]; int a[3 * M]; vector<EDGE> adj[3 * M]; long long int dis[3 * M]; int visited[3 * M]; pair<int, int> par[3 * M]; struct NODE { long long int val; int id; NODE() {} NODE(long long int val, int id) : val(val), id(id) {} bool operator<(const NODE& x) const { return val > x.val; } }; int main() { ios::sync_with_stdio(0); cin.tie(0); int n, L; cin >> n >> L; for (int i = 0; i < n; i++) { cin >> ramp[i].x >> ramp[i].d >> ramp[i].t >> ramp[i].p; } a[0] = 0; a[1] = L; int len = 2; for (int i = 0; i < n; i++) { int pos1 = ramp[i].x - ramp[i].p; int pos2 = ramp[i].x + ramp[i].d; if (pos1 >= 0) { a[len++] = pos1; } a[len++] = pos2; } sort(a, a + len); int m = unique(a, a + len) - a; for (int i = 0; i < n; i++) { int pos1 = ramp[i].x - ramp[i].p; int pos2 = ramp[i].x + ramp[i].d; if (pos1 >= 0) { int id1 = lower_bound(a, a + m, pos1) - a; int id2 = lower_bound(a, a + m, pos2) - a; EDGE edge(id1, id2, ramp[i].p + ramp[i].t, i + 1); adj[id1].push_back(edge); } } for (int i = 0; i < m - 1; i++) { int id1 = i; int id2 = i + 1; int dis = a[id1] - a[id2]; dis = (dis < 0 ? -dis : dis); EDGE edge1(id1, id2, dis, 0); adj[id1].push_back(edge1); EDGE edge2(id2, id1, dis, 0); adj[id2].push_back(edge2); } for (int i = 0; i < m; i++) { dis[i] = 1e+18; } dis[0] = 0; visited[0] = 1; par[0].first = -1; par[0].second = 0; priority_queue<NODE> Q; NODE node(0, 0); Q.push(node); while (!Q.empty()) { NODE node = Q.top(); Q.pop(); long long int val = node.val; int id = node.id; if (dis[id] == val) { visited[id] = 1; for (vector<EDGE>::iterator it = adj[id].begin(); it != adj[id].end(); it++) { int nextid = (*it).v; int nextw = (*it).w; long long int nextdis = dis[id] + nextw; if (nextdis < dis[nextid]) { dis[nextid] = nextdis; par[nextid] = make_pair(id, (*it).rampid); NODE inode(dis[nextid], nextid); Q.push(inode); } } } } cout << dis[m - 1] << endl; int id = m - 1; int num = 0; vector<int> ans; while (id != 0) { if (par[id].second != 0) { num++; ans.push_back(par[id].second); } id = par[id].first; } cout << num << endl; for (int i = num - 1; i >= 0; i--) { cout << ans[i]; if (i > 0) { cout << " "; } else { cout << endl; } } return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int M = 1e9 + 7; int n; const int N = 2e5 + 5; vector<int> adj[N]; int sz[N]; long long dp[N]; long long ans[N]; void dfs(int i, int p) { sz[i] = 1; for (int j : adj[i]) { if (j != p) { dfs(j, i); sz[i] += sz[j]; dp[i] += dp[j]; } } dp[i] += sz[i]; } long long res = 0; void dfs2(int i, int p) { if (p == -1) { ans[i] = dp[i]; } else { ans[i] = ans[p] - sz[i] - dp[i] + n; for (int j : adj[i]) { if (j != p) { ans[i] += dp[j]; } } } res = max(res, ans[i]); for (int j : adj[i]) { if (j != p) { dfs2(j, i); } } } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> n; int u, v; for (int i = 0; i < n - 1; ++i) { cin >> u >> v; --u; --v; adj[u].push_back(v); adj[v].push_back(u); } dfs(0, -1); dfs2(0, -1); cout << res << "\n"; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; int f[3]; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int tt; cin >> tt; while (tt--) { int n; cin >> f[0] >> f[1] >> n; f[2] = f[0] ^ f[1]; cout << f[n % 3] << '\n'; } return 0; }
7
CPP
#include <iostream> #include <string> using namespace std; int main() { int n, ans=0, len, c; string s, name[110], t; cin>>n>>s; for (int i=0; i<n; i++) cin>>name[i]; for (int i=0; i<n; i++) { len=name[i].size(); for (int j=1; j<51; j++) { for (int k=0; k<len; k++) { t=""; c=0; for (int l=k; l<len && c<s.size(); l+=j) { if (l<len) { t+=name[i][l]; c++; } } if (t==s) { ans++; k=200; j=60; } } } } cout<<ans<<'\n'; return 0; }
0
CPP
def main(): mode="filee" if mode=="file":f=open("test.txt","r") get = lambda :[int(x) for x in (f.readline() if mode=="file" else input()).split()] [a,b,c]=get() ans = min(a+b+c,2*(a+c),2*(b+c),2*(a+b)) print(ans) if mode=="file":f.close() if __name__=="__main__": main()
7
PYTHON3
#!/mnt/c/Users/moiki/bash/env/bin/python # N,M = map(int, input().split()) w,h,nw,nh = map(int, input().split()) ans = w*2 + h*2 + 4 ans -= nw ans += nw*2 + (nh-1) * 2 + 4 ans -= (nw+2) print(ans)
7
PYTHON3
a = list(input()) flag = True i=0 if(len(a)<=2): if(len(a)==1): if(a[0]!='1'): flag = False else: if(a[0]=='1' and (a[1]=='4' or a[1]=='1')): flag = True else: flag = False else: while(i<len(a)): # print(i) if(a[i]=='1' and i<len(a)): if(i<len(a)-1 and a[i+1]=='4'): if(i<len(a)-2 and a[i+2]=='4'): i=i+3 # print("1::", i) else: i=i+2 # print("2::", i) else: i=i+1 # print("3::", i) else: flag = False break if(flag == False): print("NO") else: print("YES")
7
PYTHON3
def go(): n, m = map(int, input().split(' ')) half = (n + 1) // 2 if m >= half: return n - m if m == 0: return 1 return m print(go())
7
PYTHON3
def ok(a, b): diffs = 0 for i in range(len(a)): if a[i] != b[i]: diffs += 1 if diffs > 1: return False return True def findInStrings(ind, ch, strs): for s in strs: if s[ind] == ch: return s for _ in range(int(input())): n, m = map(int, input().split()) '''''' strings = [] for _ in range(n): strings.append(input()) chars = {} for i in range(m): cs = set(s[i] for s in strings) chars[i] = cs ans = '' done = False for i in range(m): ss = chars[i] #print(ss) if len(ss) == 1: ans += list(ss)[0] else: possible = False r = '' o = list(ss) for q, c in enumerate(o): #print(q,c,o) cand = findInStrings(i, o[int(not q)], strings) #print(c, cand) candd = list(cand) candd[i] = c cand = ''.join(candd) #print(c, cand) oks = [ok(cand, k) for k in strings] #print(oks) if False not in oks: r = cand possible = True break if possible: print(r) done = True break else: print(-1) done = True break if not done and len(ans) == m: print(ans) elif not done and len(ans) != m: print(-1)
12
PYTHON3
t=int(input()) count=0 while count<t: count+=1 n=int(input()) l=list(map(int, input().split(' '))) i=0 es=[] os=[] while i<2*n: if l[i]%2==0: es.append(i) else: os.append(i) i+=1 left=len(es)%2 if len(es)==0: i=0 while i<len(os)-3: print(str(os[i]+1)+' '+str(os[i+1]+1)) i+=2 elif len(os)==0: i=0 while i<len(es)-3: print(str(es[i]+1)+' '+str(es[i+1]+1)) i+=2 elif left==0: i=0 while i<len(es)-1: print(str(es[i]+1)+' '+str(es[i+1]+1)) i+=2 i=0 while i<len(os)-3: print(str(os[i]+1)+' '+str(os[i+1]+1)) i+=2 else: i=0 while i<len(es)-2: print(str(es[i]+1)+' '+str(es[i+1]+1)) i+=2 i=0 while i<len(os)-2: print(str(os[i]+1)+' '+str(os[i+1]+1)) i+=2
8
PYTHON3
#include <bits/stdc++.h> using namespace std; const int N = 1e6 + 6; int Q, n; string str; struct Node { int open, close, valid; void merge(Node a, Node b) { int t = min(a.open, b.close); open = a.open - t + b.open; close = a.close + b.close - t; valid = a.valid + b.valid + t; } } seg[N << 2]; void build(int s = 0, int e = str.size(), int id = 1) { if (e - s == 1) { seg[id] = {(str[s] == '('), (str[s] == ')'), 0}; return; } int mid = s + e >> 1; build(s, mid, id << 1); build(mid, e, id << 1 | 1); seg[id].merge(seg[id << 1], seg[id << 1 | 1]); } Node get(int l, int r, int s = 0, int e = str.size(), int id = 1) { if (l <= s && e <= r) return seg[id]; if (l >= e || r <= s) return {0, 0, 0}; int mid = e + s >> 1; Node res; res.merge(get(l, r, s, mid, id << 1), get(l, r, mid, e, id << 1 | 1)); return res; } int main() { ios_base::sync_with_stdio(0), cin.tie(0); cin >> str >> Q; build(); for (int q = 0, l, r; q < Q; q++) { cin >> l >> r; Node ans = get(--l, r); cout << 2 * ans.valid << endl; } }
9
CPP
n=int(input()) l=list(map(int,input().split())) d=[0]*n for i in range(n): d[l[i]-1]=i+1 print(*d)
7
PYTHON3
#include <iostream> #include <queue> #include <string> using namespace std; int main() { priority_queue<int> PQ; string com; int n; while(cin >> com) { if(com == "end") { break; } if(com[0] == 'i') { cin >> n; PQ.push(n); } else if(com[0] == 'e') { cout << PQ.top() << endl; PQ.pop(); } } return 0; }
0
CPP
#include <bits/stdc++.h> const int kN = 100000 + 5 + 12; int n, k, q; std::bitset<1 << 12> bs[kN]; int t[kN], x[kN], y[kN]; int a[12][kN]; int tot; int main() { scanf("%d%d%d", &n, &k, &q); for (int i = 0; i < k; ++i) { for (int j = 0; j < n; ++j) scanf("%d", &a[i][j]); } for (int i = 0; i < k; ++i) for (int mask = 0; mask < 1 << k; ++mask) bs[i][mask] = mask >> i & 1; tot = k; for (int i = 0; i < q; ++i) { int t, x, y; scanf("%d%d%d", &t, &x, &y); --x; --y; if (t == 1) { bs[tot++] = bs[x] | bs[y]; } else if (t == 2) { bs[tot++] = bs[x] & bs[y]; } else { int result = 2e9; for (int at = 0; at < k; ++at) { int mask = 0; for (int j = 0; j < k; ++j) mask |= (a[at][y] < a[j][y]) << j; if (bs[x][mask] == 0) result = std::min(result, a[at][y]); } printf("%d\n", result); } } }
10
CPP
a = list(map(int, input().split())) a = list(map(int, input().split())) b = list(map(int, input().split())) a.sort() b.sort() for i in a: if b.count(i) > 0: print(i) exit() print(min(a[0], b[0]) * 10 + max(a[0], b[0]))
7
PYTHON3
[k,n,w] = list(map(int, input().split())) val = int(w * (w + 1) / 2 * k - n) val = val if val >= 0 else 0 print (val)
7
PYTHON3
from sys import stdin,stdout inp = stdin.readline out = stdout.write s = inp().strip() n = len(s) s2='hello' j=0 for i in s: if i==s2[j]: j+=1 if j==5: break if j==5: out('YES') else: out('NO')
7
PYTHON3
#include<bits/stdc++.h> using namespace std; int a[10]; bool avai[10]; signed main(){ for(register int i=1;i<=9;++i) scanf("%d",&a[i]); int n; scanf("%d",&n); while(n--){ int x; scanf("%d",&x); for(register int i=1;i<=9;++i) if(a[i]==x) avai[i]=true; } bool f=false; if((avai[1]&&avai[2]&&avai[3])||(avai[4]&&avai[5]&&avai[6])||(avai[7]&&avai[8]&&avai[9])) f=true; if((avai[1]&&avai[4]&&avai[7])||(avai[2]&&avai[5]&&avai[8])||(avai[3]&&avai[6]&&avai[9])) f=true; if((avai[1]&&avai[5]&&avai[9])||(avai[3]&&avai[5]&&avai[7])) f=true; puts(f?"Yes":"No"); return 0; }
0
CPP
#include <bits/stdc++.h> using namespace std; int n, m, g; long long fact[200005], factinv[200005]; long long power(int n, int p) { if (p == 0) return 1; if (p == 1) return n; if (p & 1) return power(n, p - 1) * n % 1000000007; long long z = power(n, p / 2); return z * z % 1000000007; } long long C(int n, int k) { if (k == 0) return 1; if (n < k) return 0; long long ans = fact[n]; ans = ans * factinv[k] % 1000000007; ans = ans * factinv[n - k] % 1000000007; return ans; } long long f(int n, int m, int g) { if (n == 1 and m == 0) return g == 0; if (n == 0) { if (m == 1) return g == 1; else return g == 0; } if (g == 0) { return (C(n + m - 1, n) + f(n - 1, m, 1)) % 1000000007; } else { return f(n - 1, m, 0); } } int main() { fact[0] = 1; for (int i = 1; i < 200005; i++) fact[i] = fact[i - 1] * i % 1000000007; factinv[0] = 1; factinv[1] = 1; for (int i = 2; i < 200005; i++) factinv[i] = factinv[i - 1] * power(i, 1000000005) % 1000000007; cin >> n >> m >> g; cout << f(n, m, g) << endl; return 0; }
10
CPP
from functools import reduce import sys import math class Read: @staticmethod def string(): return input() @staticmethod def int(): return int(input()) @staticmethod def list(delimiter=' '): return input().split(delimiter) @staticmethod def list_int(delimiter=' '): return list(map(int, input().split(delimiter))) # infilename = 'input.txt' # sys.stdin = open(infilename, 'r') # outfilename = 'output.txt' # sys.stdout = open(outfilename, 'w') def main(): t = Read.int() for _ in range(t): a, b, c, d = Read.list_int() if b >= a: print(b) else: if d >= c: print(-1) else: print(b + math.ceil((a - b) / (c - d)) * c) if __name__ == '__main__': main()
7
PYTHON3
a = input() length = len(a) pal = 0 counter = 0 for i in range(int(length/2)): if a[i] == a[length - i - 1]: pal += 1 else: counter += 1 if counter == 1: print("YES") elif counter == 0: if length % 2 == 0: print("NO") else: print("YES") else: print("NO") # else: # for i in range
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { long long r1, c1, r2, c2; cin >> r1 >> c1 >> r2 >> c2; long long r = 0, c = 0; if (r1 == r2) r++; if (c1 == c2) c++; cout << 2 - r - c << " "; long long k = 0, l = 0, m = 0, n = 0; if ((r1 + c1) % 2 == (r2 + c2) % 2) k++; if ((r1 + c1) == (r2 + c2)) l++; if ((r1 - c1) == (r2 - c2)) m++; if ((r1 != r2) && (c1 != c2)) n++; if ((m * n) == 0) cout << (k * (2 - l)) << " "; else cout << min(k * (2 - l), (m * n)) << " "; long long x = abs(r1 - r2); long long y = abs(c1 - c2); cout << max(x, y) << endl; }
7
CPP