acRate
float64
9.28
95.3
difficulty
stringclasses
3 values
frontendQuestionId
int64
1
3.51k
isFavor
bool
1 class
paidOnly
bool
2 classes
title
stringlengths
3
79
titleSlug
stringlengths
3
79
topicTags
stringlengths
2
153
hasSolution
bool
2 classes
hasVideoSolution
bool
2 classes
65.632752
Medium
1,101
false
true
The Earliest Moment When Everyone Become Friends
the-earliest-moment-when-everyone-become-friends
['Array', 'Union Find', 'Sorting']
true
false
53.933782
Medium
1,102
false
true
Path With Maximum Minimum Value
path-with-maximum-minimum-value
['Array', 'Binary Search', 'Depth-First Search', 'Breadth-First Search', 'Union Find', 'Heap (Priority Queue)', 'Matrix']
true
false
66.158127
Easy
1,103
false
false
Distribute Candies to People
distribute-candies-to-people
['Math', 'Simulation']
true
false
75.433971
Medium
1,104
false
false
Path In Zigzag Labelled Binary Tree
path-in-zigzag-labelled-binary-tree
['Math', 'Tree', 'Binary Tree']
false
false
68.700381
Medium
1,105
false
false
Filling Bookcase Shelves
filling-bookcase-shelves
['Array', 'Dynamic Programming']
true
false
69.989852
Hard
1,106
false
false
Parsing A Boolean Expression
parsing-a-boolean-expression
['String', 'Stack', 'Recursion']
true
false
44.931409
Medium
1,107
false
true
New Users Daily Count
new-users-daily-count
['Database']
true
false
89.606996
Easy
1,108
false
false
Defanging an IP Address
defanging-an-ip-address
['String']
false
false
63.799944
Medium
1,109
false
false
Corporate Flight Bookings
corporate-flight-bookings
['Array', 'Prefix Sum']
false
false
72.422547
Medium
1,110
false
false
Delete Nodes And Return Forest
delete-nodes-and-return-forest
['Array', 'Hash Table', 'Tree', 'Depth-First Search', 'Binary Tree']
true
false
71.311377
Medium
1,111
false
false
Maximum Nesting Depth of Two Valid Parentheses Strings
maximum-nesting-depth-of-two-valid-parentheses-strings
['String', 'Stack']
false
false
71.09009
Medium
1,112
false
true
Highest Grade For Each Student
highest-grade-for-each-student
['Database']
true
false
65.100093
Easy
1,113
false
true
Reported Posts
reported-posts
['Database']
true
false
70.840843
Easy
1,114
false
false
Print in Order
print-in-order
['Concurrency']
true
false
68.914533
Medium
1,115
false
false
Print FooBar Alternately
print-foobar-alternately
['Concurrency']
false
false
63.053164
Medium
1,116
false
false
Print Zero Even Odd
print-zero-even-odd
['Concurrency']
false
false
57.499825
Medium
1,117
false
false
Building H2O
building-h2o
['Concurrency']
false
false
58.906922
Easy
1,118
false
true
Number of Days in a Month
number-of-days-in-a-month
['Math']
false
false
91.215016
Easy
1,119
false
true
Remove Vowels from a String
remove-vowels-from-a-string
['String']
true
false
66.776944
Medium
1,120
false
true
Maximum Average Subtree
maximum-average-subtree
['Tree', 'Depth-First Search', 'Binary Tree']
true
false
60.455076
Hard
1,121
false
true
Divide Array Into Increasing Sequences
divide-array-into-increasing-sequences
['Array', 'Counting']
false
false
74.888864
Easy
1,122
false
false
Relative Sort Array
relative-sort-array
['Array', 'Hash Table', 'Sorting', 'Counting Sort']
true
false
78.781472
Medium
1,123
false
false
Lowest Common Ancestor of Deepest Leaves
lowest-common-ancestor-of-deepest-leaves
['Hash Table', 'Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Tree']
true
false
35.689199
Medium
1,124
false
false
Longest Well-Performing Interval
longest-well-performing-interval
['Array', 'Hash Table', 'Stack', 'Monotonic Stack', 'Prefix Sum']
false
false
55.329087
Hard
1,125
false
false
Smallest Sufficient Team
smallest-sufficient-team
['Array', 'Dynamic Programming', 'Bit Manipulation', 'Bitmask']
true
false
65.87072
Medium
1,126
false
true
Active Businesses
active-businesses
['Database']
true
false
47.125326
Hard
1,127
false
true
User Purchase Platform
user-purchase-platform
['Database']
false
false
49.074493
Easy
1,128
false
false
Number of Equivalent Domino Pairs
number-of-equivalent-domino-pairs
['Array', 'Hash Table', 'Counting']
false
false
47.167668
Medium
1,129
false
false
Shortest Path with Alternating Colors
shortest-path-with-alternating-colors
['Breadth-First Search', 'Graph']
true
false
67.617033
Medium
1,130
false
false
Minimum Cost Tree From Leaf Values
minimum-cost-tree-from-leaf-values
['Array', 'Dynamic Programming', 'Stack', 'Greedy', 'Monotonic Stack']
false
false
48.199986
Medium
1,131
false
false
Maximum of Absolute Value Expression
maximum-of-absolute-value-expression
['Array', 'Math']
false
false
32.261944
Medium
1,132
false
true
Reported Posts II
reported-posts-ii
['Database']
true
false
70.731533
Easy
1,133
false
true
Largest Unique Number
largest-unique-number
['Array', 'Hash Table', 'Sorting']
true
false
77.814762
Easy
1,134
false
true
Armstrong Number
armstrong-number
['Math']
true
false
62.510281
Medium
1,135
false
true
Connecting Cities With Minimum Cost
connecting-cities-with-minimum-cost
['Union Find', 'Graph', 'Heap (Priority Queue)', 'Minimum Spanning Tree']
true
false
61.741031
Medium
1,136
false
true
Parallel Courses
parallel-courses
['Graph', 'Topological Sort']
true
false
63.631861
Easy
1,137
false
false
N-th Tribonacci Number
n-th-tribonacci-number
['Math', 'Dynamic Programming', 'Memoization']
true
false
51.574114
Medium
1,138
false
false
Alphabet Board Path
alphabet-board-path
['Hash Table', 'String']
false
false
50.573392
Medium
1,139
false
false
Largest 1-Bordered Square
largest-1-bordered-square
['Array', 'Dynamic Programming', 'Matrix']
false
false
73.020223
Medium
1,140
false
false
Stone Game II
stone-game-ii
['Array', 'Math', 'Dynamic Programming', 'Prefix Sum', 'Game Theory']
false
false
49.3381
Easy
1,141
false
false
User Activity for the Past 30 Days I
user-activity-for-the-past-30-days-i
['Database']
true
false
35.721392
Easy
1,142
false
true
User Activity for the Past 30 Days II
user-activity-for-the-past-30-days-ii
['Database']
false
false
58.072418
Medium
1,143
false
false
Longest Common Subsequence
longest-common-subsequence
['String', 'Dynamic Programming']
true
false
48.2827
Medium
1,144
false
false
Decrease Elements To Make Array Zigzag
decrease-elements-to-make-array-zigzag
['Array', 'Greedy']
false
false
52.383319
Medium
1,145
false
false
Binary Tree Coloring Game
binary-tree-coloring-game
['Tree', 'Depth-First Search', 'Binary Tree']
false
false
36.735148
Medium
1,146
false
false
Snapshot Array
snapshot-array
['Array', 'Hash Table', 'Binary Search', 'Design']
true
false
58.749229
Hard
1,147
false
false
Longest Chunked Palindrome Decomposition
longest-chunked-palindrome-decomposition
['Two Pointers', 'String', 'Dynamic Programming', 'Greedy', 'Rolling Hash', 'Hash Function']
false
false
77.176389
Easy
1,148
false
false
Article Views I
article-views-i
['Database']
true
false
47.206277
Medium
1,149
false
true
Article Views II
article-views-ii
['Database']
true
false
59.059862
Easy
1,150
false
true
Check If a Number Is Majority Element in a Sorted Array
check-if-a-number-is-majority-element-in-a-sorted-array
['Array', 'Binary Search']
true
false
61.091484
Medium
1,151
false
true
Minimum Swaps to Group All 1's Together
minimum-swaps-to-group-all-1s-together
['Array', 'Sliding Window']
true
true
43.387776
Medium
1,152
false
true
Analyze User Website Visit Pattern
analyze-user-website-visit-pattern
['Array', 'Hash Table', 'Sorting']
false
false
34.811663
Hard
1,153
false
true
String Transforms Into Another String
string-transforms-into-another-string
['Hash Table', 'String']
true
false
47.881665
Easy
1,154
false
false
Day of the Year
day-of-the-year
['Math', 'String']
false
false
61.481266
Medium
1,155
false
false
Number of Dice Rolls With Target Sum
number-of-dice-rolls-with-target-sum
['Dynamic Programming']
true
false
43.623331
Medium
1,156
false
false
Swap For Longest Repeated Character Substring
swap-for-longest-repeated-character-substring
['Hash Table', 'String', 'Sliding Window']
false
false
42.292624
Hard
1,157
false
false
Online Majority Element In Subarray
online-majority-element-in-subarray
['Array', 'Binary Search', 'Design', 'Binary Indexed Tree', 'Segment Tree']
false
false
57.150575
Medium
1,158
false
false
Market Analysis I
market-analysis-i
['Database']
true
false
57.71101
Hard
1,159
false
true
Market Analysis II
market-analysis-ii
['Database']
true
false
70.925432
Easy
1,160
false
false
Find Words That Can Be Formed by Characters
find-words-that-can-be-formed-by-characters
['Array', 'Hash Table', 'String', 'Counting']
true
false
67.286391
Medium
1,161
false
false
Maximum Level Sum of a Binary Tree
maximum-level-sum-of-a-binary-tree
['Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Tree']
true
false
51.769934
Medium
1,162
false
false
As Far from Land as Possible
as-far-from-land-as-possible
['Array', 'Dynamic Programming', 'Breadth-First Search', 'Matrix']
true
false
34.372855
Hard
1,163
false
false
Last Substring in Lexicographical Order
last-substring-in-lexicographical-order
['Two Pointers', 'String']
false
false
57.230352
Medium
1,164
false
false
Product Price at a Given Date
product-price-at-a-given-date
['Database']
true
false
87.656312
Easy
1,165
false
true
Single-Row Keyboard
single-row-keyboard
['Hash Table', 'String']
true
true
63.894803
Medium
1,166
false
true
Design File System
design-file-system
['Hash Table', 'String', 'Design', 'Trie']
true
false
70.962943
Medium
1,167
false
true
Minimum Cost to Connect Sticks
minimum-cost-to-connect-sticks
['Array', 'Greedy', 'Heap (Priority Queue)']
true
true
65.107459
Hard
1,168
false
true
Optimize Water Distribution in a Village
optimize-water-distribution-in-a-village
['Union Find', 'Graph', 'Heap (Priority Queue)', 'Minimum Spanning Tree']
true
false
31.208159
Medium
1,169
false
false
Invalid Transactions
invalid-transactions
['Array', 'Hash Table', 'String', 'Sorting']
false
false
62.564173
Medium
1,170
false
false
Compare Strings by Frequency of the Smallest Character
compare-strings-by-frequency-of-the-smallest-character
['Array', 'Hash Table', 'String', 'Binary Search', 'Sorting']
false
false
52.807869
Medium
1,171
false
false
Remove Zero Sum Consecutive Nodes from Linked List
remove-zero-sum-consecutive-nodes-from-linked-list
['Hash Table', 'Linked List']
true
false
32.764413
Hard
1,172
false
false
Dinner Plate Stacks
dinner-plate-stacks
['Hash Table', 'Stack', 'Design', 'Heap (Priority Queue)']
false
false
80.884847
Easy
1,173
false
true
Immediate Food Delivery I
immediate-food-delivery-i
['Database']
true
false
53.924122
Medium
1,174
false
false
Immediate Food Delivery II
immediate-food-delivery-ii
['Database']
false
false
59.161248
Easy
1,175
false
false
Prime Arrangements
prime-arrangements
['Math']
false
false
54.035198
Easy
1,176
false
true
Diet Plan Performance
diet-plan-performance
['Array', 'Sliding Window']
false
false
39.961118
Medium
1,177
false
false
Can Make Palindrome from Substring
can-make-palindrome-from-substring
['Array', 'Hash Table', 'String', 'Bit Manipulation', 'Prefix Sum']
false
false
46.998408
Hard
1,178
false
false
Number of Valid Words for Each Puzzle
number-of-valid-words-for-each-puzzle
['Array', 'Hash Table', 'String', 'Bit Manipulation', 'Trie']
true
false
76.766556
Easy
1,179
false
false
Reformat Department Table
reformat-department-table
['Database']
true
false
80.543196
Easy
1,180
false
true
Count Substrings with Only One Distinct Letter
count-substrings-with-only-one-distinct-letter
['Math', 'String']
true
false
46.459806
Medium
1,181
false
true
Before and After Puzzle
before-and-after-puzzle
['Array', 'Hash Table', 'String', 'Sorting']
false
false
55.437587
Medium
1,182
false
true
Shortest Distance to Target Color
shortest-distance-to-target-color
['Array', 'Binary Search', 'Dynamic Programming']
true
false
68.579911
Hard
1,183
false
true
Maximum Number of Ones
maximum-number-of-ones
['Math', 'Greedy', 'Sorting', 'Heap (Priority Queue)']
true
false
54.486079
Easy
1,184
false
false
Distance Between Bus Stops
distance-between-bus-stops
['Array']
false
false
58.348985
Easy
1,185
false
false
Day of the Week
day-of-the-week
['Math']
false
false
44.832335
Medium
1,186
false
false
Maximum Subarray Sum with One Deletion
maximum-subarray-sum-with-one-deletion
['Array', 'Dynamic Programming']
false
false
57.856688
Hard
1,187
false
false
Make Array Strictly Increasing
make-array-strictly-increasing
['Array', 'Binary Search', 'Dynamic Programming', 'Sorting']
true
false
72.942819
Medium
1,188
false
true
Design Bounded Blocking Queue
design-bounded-blocking-queue
['Concurrency']
false
false
59.710631
Easy
1,189
false
false
Maximum Number of Balloons
maximum-number-of-balloons
['Hash Table', 'String', 'Counting']
true
false
71.677851
Medium
1,190
false
false
Reverse Substrings Between Each Pair of Parentheses
reverse-substrings-between-each-pair-of-parentheses
['String', 'Stack']
true
false
24.125376
Medium
1,191
false
false
K-Concatenation Maximum Sum
k-concatenation-maximum-sum
['Array', 'Dynamic Programming']
false
false
57.390782
Hard
1,192
false
false
Critical Connections in a Network
critical-connections-in-a-network
['Depth-First Search', 'Graph', 'Biconnected Component']
true
false
58.26083
Medium
1,193
false
false
Monthly Transactions I
monthly-transactions-i
['Database']
false
false
49.693532
Hard
1,194
false
true
Tournament Winners
tournament-winners
['Database']
true
false
73.701258
Medium
1,195
false
false
Fizz Buzz Multithreaded
fizz-buzz-multithreaded
['Concurrency']
false
false
67.072717
Easy
1,196
false
true
How Many Apples Can You Put into the Basket
how-many-apples-can-you-put-into-the-basket
['Array', 'Greedy', 'Sorting']
true
true
41.203964
Medium
1,197
false
true
Minimum Knight Moves
minimum-knight-moves
['Breadth-First Search']
true
false
76.409761
Medium
1,198
false
true
Find Smallest Common Element in All Rows
find-smallest-common-element-in-all-rows
['Array', 'Hash Table', 'Binary Search', 'Matrix', 'Counting']
true
true
46.137368
Hard
1,199
false
true
Minimum Time to Build Blocks
minimum-time-to-build-blocks
['Array', 'Math', 'Greedy', 'Heap (Priority Queue)']
true
false
70.43357
Easy
1,200
false
false
Minimum Absolute Difference
minimum-absolute-difference
['Array', 'Sorting']
true
false