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
30.271665
Medium
1,201
false
false
Ugly Number III
ugly-number-iii
['Math', 'Binary Search', 'Combinatorics', 'Number Theory']
false
false
59.180005
Medium
1,202
false
false
Smallest String With Swaps
smallest-string-with-swaps
['Array', 'Hash Table', 'String', 'Depth-First Search', 'Breadth-First Search', 'Union Find', 'Sorting']
true
false
65.658481
Hard
1,203
false
false
Sort Items by Groups Respecting Dependencies
sort-items-by-groups-respecting-dependencies
['Depth-First Search', 'Breadth-First Search', 'Graph', 'Topological Sort']
true
false
68.268785
Medium
1,204
false
false
Last Person to Fit in the Bus
last-person-to-fit-in-the-bus
['Database']
false
false
41.99628
Medium
1,205
false
true
Monthly Transactions II
monthly-transactions-ii
['Database']
true
false
61.818992
Hard
1,206
false
false
Design Skiplist
design-skiplist
['Linked List', 'Design']
false
false
78.131566
Easy
1,207
false
false
Unique Number of Occurrences
unique-number-of-occurrences
['Array', 'Hash Table']
true
true
58.778318
Medium
1,208
false
false
Get Equal Substrings Within Budget
get-equal-substrings-within-budget
['String', 'Binary Search', 'Sliding Window', 'Prefix Sum']
true
false
59.270729
Medium
1,209
false
false
Remove All Adjacent Duplicates in String II
remove-all-adjacent-duplicates-in-string-ii
['String', 'Stack']
true
false
50.38308
Hard
1,210
false
false
Minimum Moves to Reach Target with Rotations
minimum-moves-to-reach-target-with-rotations
['Array', 'Breadth-First Search', 'Matrix']
false
false
46.92685
Easy
1,211
false
false
Queries Quality and Percentage
queries-quality-and-percentage
['Database']
false
false
55.785829
Medium
1,212
false
true
Team Scores in Football Tournament
team-scores-in-football-tournament
['Database']
false
false
80.109433
Easy
1,213
false
true
Intersection of Three Sorted Arrays
intersection-of-three-sorted-arrays
['Array', 'Hash Table', 'Binary Search', 'Counting']
true
false
67.314253
Medium
1,214
false
true
Two Sum BSTs
two-sum-bsts
['Two Pointers', 'Binary Search', 'Stack', 'Tree', 'Depth-First Search', 'Binary Search Tree', 'Binary Tree']
true
false
47.575174
Medium
1,215
false
true
Stepping Numbers
stepping-numbers
['Math', 'Backtracking', 'Breadth-First Search']
false
false
49.058419
Hard
1,216
false
true
Valid Palindrome III
valid-palindrome-iii
['String', 'Dynamic Programming']
true
false
72.103449
Easy
1,217
false
false
Minimum Cost to Move Chips to The Same Position
minimum-cost-to-move-chips-to-the-same-position
['Array', 'Math', 'Greedy']
true
false
54.481535
Medium
1,218
false
false
Longest Arithmetic Subsequence of Given Difference
longest-arithmetic-subsequence-of-given-difference
['Array', 'Hash Table', 'Dynamic Programming']
true
false
68.069905
Medium
1,219
false
false
Path with Maximum Gold
path-with-maximum-gold
['Array', 'Backtracking', 'Matrix']
true
false
61.511936
Hard
1,220
false
false
Count Vowels Permutation
count-vowels-permutation
['Dynamic Programming']
true
false
86.678065
Easy
1,221
false
false
Split a String in Balanced Strings
split-a-string-in-balanced-strings
['String', 'Greedy', 'Counting']
false
false
72.087199
Medium
1,222
false
false
Queens That Can Attack the King
queens-that-can-attack-the-king
['Array', 'Matrix', 'Simulation']
false
false
49.81308
Hard
1,223
false
false
Dice Roll Simulation
dice-roll-simulation
['Array', 'Dynamic Programming']
false
false
37.34021
Hard
1,224
false
false
Maximum Equal Frequency
maximum-equal-frequency
['Array', 'Hash Table']
false
false
57.351125
Hard
1,225
false
true
Report Contiguous Dates
report-contiguous-dates
['Database']
false
false
54.568492
Medium
1,226
false
false
The Dining Philosophers
the-dining-philosophers
['Concurrency']
false
false
66.595176
Medium
1,227
false
false
Airplane Seat Assignment Probability
airplane-seat-assignment-probability
['Math', 'Dynamic Programming', 'Brainteaser', 'Probability and Statistics']
false
false
52.059308
Easy
1,228
false
true
Missing Number In Arithmetic Progression
missing-number-in-arithmetic-progression
['Array', 'Math']
true
true
55.175778
Medium
1,229
false
true
Meeting Scheduler
meeting-scheduler
['Array', 'Two Pointers', 'Sorting']
true
false
58.145713
Medium
1,230
false
true
Toss Strange Coins
toss-strange-coins
['Array', 'Math', 'Dynamic Programming', 'Probability and Statistics']
true
false
59.760295
Hard
1,231
false
true
Divide Chocolate
divide-chocolate
['Array', 'Binary Search']
true
false
39.644424
Easy
1,232
false
false
Check If It Is a Straight Line
check-if-it-is-a-straight-line
['Array', 'Math', 'Geometry']
true
false
75.704584
Medium
1,233
false
false
Remove Sub-Folders from the Filesystem
remove-sub-folders-from-the-filesystem
['Array', 'String', 'Depth-First Search', 'Trie']
true
false
39.243065
Medium
1,234
false
false
Replace the Substring for Balanced String
replace-the-substring-for-balanced-string
['String', 'Sliding Window']
false
false
54.338065
Hard
1,235
false
false
Maximum Profit in Job Scheduling
maximum-profit-in-job-scheduling
['Array', 'Binary Search', 'Dynamic Programming', 'Sorting']
true
false
68.596907
Medium
1,236
false
true
Web Crawler
web-crawler
['String', 'Depth-First Search', 'Breadth-First Search', 'Interactive']
true
false
69.396592
Medium
1,237
false
false
Find Positive Integer Solution for a Given Equation
find-positive-integer-solution-for-a-given-equation
['Math', 'Two Pointers', 'Binary Search', 'Interactive']
false
false
71.353269
Medium
1,238
false
false
Circular Permutation in Binary Representation
circular-permutation-in-binary-representation
['Math', 'Backtracking', 'Bit Manipulation']
false
false
54.204658
Medium
1,239
false
false
Maximum Length of a Concatenated String with Unique Characters
maximum-length-of-a-concatenated-string-with-unique-characters
['Array', 'String', 'Backtracking', 'Bit Manipulation']
true
true
54.337793
Hard
1,240
false
false
Tiling a Rectangle with the Fewest Squares
tiling-a-rectangle-with-the-fewest-squares
['Backtracking']
false
false
66.045424
Easy
1,241
false
true
Number of Comments per Post
number-of-comments-per-post
['Database']
false
false
49.733232
Medium
1,242
false
true
Web Crawler Multithreaded
web-crawler-multithreaded
['Depth-First Search', 'Breadth-First Search', 'Concurrency']
false
false
52.984274
Easy
1,243
false
true
Array Transformation
array-transformation
['Array', 'Simulation']
false
false
67.881526
Medium
1,244
false
true
Design A Leaderboard
design-a-leaderboard
['Hash Table', 'Design', 'Sorting']
true
false
61.026875
Medium
1,245
false
true
Tree Diameter
tree-diameter
['Tree', 'Depth-First Search', 'Breadth-First Search', 'Graph', 'Topological Sort']
true
false
46.320046
Hard
1,246
false
true
Palindrome Removal
palindrome-removal
['Array', 'Dynamic Programming']
false
false
64.496458
Medium
1,247
false
false
Minimum Swaps to Make Strings Equal
minimum-swaps-to-make-strings-equal
['Math', 'String', 'Greedy']
false
false
72.620829
Medium
1,248
false
false
Count Number of Nice Subarrays
count-number-of-nice-subarrays
['Array', 'Hash Table', 'Math', 'Sliding Window', 'Prefix Sum']
true
false
70.428786
Medium
1,249
false
false
Minimum Remove to Make Valid Parentheses
minimum-remove-to-make-valid-parentheses
['String', 'Stack']
true
false
60.940158
Hard
1,250
false
false
Check If It Is a Good Array
check-if-it-is-a-good-array
['Array', 'Math', 'Number Theory']
false
false
36.869124
Easy
1,251
false
false
Average Selling Price
average-selling-price
['Database']
true
false
79.143972
Easy
1,252
false
false
Cells with Odd Values in a Matrix
cells-with-odd-values-in-a-matrix
['Array', 'Math', 'Simulation']
false
false
47.49182
Medium
1,253
false
false
Reconstruct a 2-Row Binary Matrix
reconstruct-a-2-row-binary-matrix
['Array', 'Greedy', 'Matrix']
false
false
66.674043
Medium
1,254
false
false
Number of Closed Islands
number-of-closed-islands
['Array', 'Depth-First Search', 'Breadth-First Search', 'Union Find', 'Matrix']
true
false
81.609707
Hard
1,255
false
false
Maximum Score Words Formed by Letters
maximum-score-words-formed-by-letters
['Array', 'String', 'Dynamic Programming', 'Backtracking', 'Bit Manipulation', 'Bitmask']
true
false
70.071116
Medium
1,256
false
true
Encode Number
encode-number
['Math', 'String', 'Bit Manipulation']
false
false
67.880728
Medium
1,257
false
true
Smallest Common Region
smallest-common-region
['Array', 'Hash Table', 'String', 'Tree', 'Depth-First Search', 'Breadth-First Search']
true
false
56.481899
Medium
1,258
false
true
Synonymous Sentences
synonymous-sentences
['Array', 'Hash Table', 'String', 'Backtracking', 'Union Find']
false
false
59.952374
Hard
1,259
false
true
Handshakes That Don't Cross
handshakes-that-dont-cross
['Math', 'Dynamic Programming']
true
false
67.591154
Easy
1,260
false
false
Shift 2D Grid
shift-2d-grid
['Array', 'Matrix', 'Simulation']
true
false
84.776133
Medium
1,261
false
false
Find Elements in a Contaminated Binary Tree
find-elements-in-a-contaminated-binary-tree
['Hash Table', 'Tree', 'Depth-First Search', 'Breadth-First Search', 'Design', 'Binary Tree']
true
false
50.732129
Medium
1,262
false
false
Greatest Sum Divisible by Three
greatest-sum-divisible-by-three
['Array', 'Dynamic Programming', 'Greedy', 'Sorting']
false
false
48.9119
Hard
1,263
false
false
Minimum Moves to Move a Box to Their Target Location
minimum-moves-to-move-a-box-to-their-target-location
['Array', 'Breadth-First Search', 'Heap (Priority Queue)', 'Matrix']
false
false
65.370373
Medium
1,264
false
true
Page Recommendations
page-recommendations
['Database']
false
false
94.048617
Medium
1,265
false
true
Print Immutable Linked List in Reverse
print-immutable-linked-list-in-reverse
['Linked List', 'Two Pointers', 'Stack', 'Recursion']
true
false
82.503663
Easy
1,266
false
false
Minimum Time Visiting All Points
minimum-time-visiting-all-points
['Array', 'Math', 'Geometry']
true
false
73.444691
Medium
1,267
false
false
Count Servers that Communicate
count-servers-that-communicate
['Array', 'Depth-First Search', 'Breadth-First Search', 'Union Find', 'Matrix', 'Counting']
true
false
65.01592
Medium
1,268
false
false
Search Suggestions System
search-suggestions-system
['Array', 'String', 'Binary Search', 'Trie', 'Sorting', 'Heap (Priority Queue)']
true
false
50.089922
Hard
1,269
false
false
Number of Ways to Stay in the Same Place After Some Steps
number-of-ways-to-stay-in-the-same-place-after-some-steps
['Dynamic Programming']
true
false
84.485694
Medium
1,270
false
true
All People Report to the Given Manager
all-people-report-to-the-given-manager
['Database']
false
false
58.334136
Easy
1,271
false
true
Hexspeak
hexspeak
['Math', 'String']
false
false
66.65031
Medium
1,272
false
true
Remove Interval
remove-interval
['Array']
true
true
61.20767
Medium
1,273
false
true
Delete Tree Nodes
delete-tree-nodes
['Array', 'Tree', 'Depth-First Search', 'Breadth-First Search']
false
false
68.779114
Hard
1,274
false
true
Number of Ships in a Rectangle
number-of-ships-in-a-rectangle
['Array', 'Divide and Conquer', 'Interactive']
true
false
54.117185
Easy
1,275
false
false
Find Winner on a Tic Tac Toe Game
find-winner-on-a-tic-tac-toe-game
['Array', 'Hash Table', 'Matrix', 'Simulation']
true
false
50.31752
Medium
1,276
false
false
Number of Burgers with No Waste of Ingredients
number-of-burgers-with-no-waste-of-ingredients
['Math']
false
false
78.569837
Medium
1,277
false
false
Count Square Submatrices with All Ones
count-square-submatrices-with-all-ones
['Array', 'Dynamic Programming', 'Matrix']
true
false
61.407611
Hard
1,278
false
false
Palindrome Partitioning III
palindrome-partitioning-iii
['String', 'Dynamic Programming']
false
false
72.863138
Easy
1,279
false
true
Traffic Light Controlled Intersection
traffic-light-controlled-intersection
['Concurrency']
false
false
60.386289
Easy
1,280
false
false
Students and Examinations
students-and-examinations
['Database']
true
false
86.655904
Easy
1,281
false
false
Subtract the Product and Sum of Digits of an Integer
subtract-the-product-and-sum-of-digits-of-an-integer
['Math']
false
false
87.348498
Medium
1,282
false
false
Group the People Given the Group Size They Belong To
group-the-people-given-the-group-size-they-belong-to
['Array', 'Hash Table', 'Greedy']
true
false
62.94243
Medium
1,283
false
false
Find the Smallest Divisor Given a Threshold
find-the-smallest-divisor-given-a-threshold
['Array', 'Binary Search']
true
false
71.859067
Hard
1,284
false
false
Minimum Number of Flips to Convert Binary Matrix to Zero Matrix
minimum-number-of-flips-to-convert-binary-matrix-to-zero-matrix
['Array', 'Hash Table', 'Bit Manipulation', 'Breadth-First Search', 'Matrix']
true
false
82.012558
Medium
1,285
false
true
Find the Start and End Number of Continuous Ranges
find-the-start-and-end-number-of-continuous-ranges
['Database']
false
false
73.46597
Medium
1,286
false
false
Iterator for Combination
iterator-for-combination
['String', 'Backtracking', 'Design', 'Iterator']
true
false
61.046207
Easy
1,287
false
false
Element Appearing More Than 25% In Sorted Array
element-appearing-more-than-25-in-sorted-array
['Array']
true
false
56.168559
Medium
1,288
false
false
Remove Covered Intervals
remove-covered-intervals
['Array', 'Sorting']
true
false
63.966254
Hard
1,289
false
false
Minimum Falling Path Sum II
minimum-falling-path-sum-ii
['Array', 'Dynamic Programming', 'Matrix']
true
false
81.155326
Easy
1,290
false
false
Convert Binary Number in a Linked List to Integer
convert-binary-number-in-a-linked-list-to-integer
['Linked List', 'Math']
true
false
65.263161
Medium
1,291
false
false
Sequential Digits
sequential-digits
['Enumeration']
true
false
53.443443
Medium
1,292
false
false
Maximum Side Length of a Square with Sum Less than or Equal to Threshold
maximum-side-length-of-a-square-with-sum-less-than-or-equal-to-threshold
['Array', 'Binary Search', 'Matrix', 'Prefix Sum']
false
false
45.466882
Hard
1,293
false
false
Shortest Path in a Grid with Obstacles Elimination
shortest-path-in-a-grid-with-obstacles-elimination
['Array', 'Breadth-First Search', 'Matrix']
true
false
67.01574
Easy
1,294
false
true
Weather Type in Each Country
weather-type-in-each-country
['Database']
false
false
77.768785
Easy
1,295
false
false
Find Numbers with Even Number of Digits
find-numbers-with-even-number-of-digits
['Array', 'Math']
true
false
58.569901
Medium
1,296
false
false
Divide Array in Sets of K Consecutive Numbers
divide-array-in-sets-of-k-consecutive-numbers
['Array', 'Hash Table', 'Greedy', 'Sorting']
false
false
53.055269
Medium
1,297
false
false
Maximum Number of Occurrences of a Substring
maximum-number-of-occurrences-of-a-substring
['Hash Table', 'String', 'Sliding Window']
false
false
57.494327
Hard
1,298
false
false
Maximum Candies You Can Get from Boxes
maximum-candies-you-can-get-from-boxes
['Array', 'Breadth-First Search', 'Graph']
false
false
71.354094
Easy
1,299
false
false
Replace Elements with Greatest Element on Right Side
replace-elements-with-greatest-element-on-right-side
['Array']
false
false
45.021609
Medium
1,300
false
false
Sum of Mutated Array Closest to Target
sum-of-mutated-array-closest-to-target
['Array', 'Binary Search', 'Sorting']
false
false