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
51.342193
Medium
2,001
false
false
Number of Pairs of Interchangeable Rectangles
number-of-pairs-of-interchangeable-rectangles
['Array', 'Hash Table', 'Math', 'Counting', 'Number Theory']
false
false
61.073814
Medium
2,002
false
false
Maximum Product of the Length of Two Palindromic Subsequences
maximum-product-of-the-length-of-two-palindromic-subsequences
['String', 'Dynamic Programming', 'Backtracking', 'Bit Manipulation', 'Bitmask']
false
false
46.342414
Hard
2,003
false
false
Smallest Missing Genetic Value in Each Subtree
smallest-missing-genetic-value-in-each-subtree
['Dynamic Programming', 'Tree', 'Depth-First Search', 'Union Find']
false
false
44.854638
Hard
2,004
false
true
The Number of Seniors and Juniors to Join the Company
the-number-of-seniors-and-juniors-to-join-the-company
['Database']
true
false
57.056604
Hard
2,005
false
true
Subtree Removal Game with Fibonacci Tree
subtree-removal-game-with-fibonacci-tree
['Math', 'Dynamic Programming', 'Tree', 'Binary Tree', 'Game Theory']
false
false
84.597816
Easy
2,006
false
false
Count Number of Pairs With Absolute Difference K
count-number-of-pairs-with-absolute-difference-k
['Array', 'Hash Table', 'Counting']
false
false
40.446409
Medium
2,007
false
false
Find Original Array From Doubled Array
find-original-array-from-doubled-array
['Array', 'Hash Table', 'Greedy', 'Sorting']
true
false
44.617026
Medium
2,008
false
false
Maximum Earnings From Taxi
maximum-earnings-from-taxi
['Array', 'Hash Table', 'Binary Search', 'Dynamic Programming', 'Sorting']
false
false
52.227617
Hard
2,009
false
false
Minimum Number of Operations to Make Array Continuous
minimum-number-of-operations-to-make-array-continuous
['Array', 'Hash Table', 'Binary Search', 'Sliding Window']
true
false
64.226601
Hard
2,010
false
true
The Number of Seniors and Juniors to Join the Company II
the-number-of-seniors-and-juniors-to-join-the-company-ii
['Database']
false
false
89.51052
Easy
2,011
false
false
Final Value of Variable After Performing Operations
final-value-of-variable-after-performing-operations
['Array', 'String', 'Simulation']
false
false
49.838029
Medium
2,012
false
false
Sum of Beauty in the Array
sum-of-beauty-in-the-array
['Array']
false
false
51.972535
Medium
2,013
false
false
Detect Squares
detect-squares
['Array', 'Hash Table', 'Design', 'Counting']
false
false
53.99126
Hard
2,014
false
false
Longest Subsequence Repeated k Times
longest-subsequence-repeated-k-times
['String', 'Backtracking', 'Greedy', 'Counting', 'Enumeration']
false
false
57.264151
Medium
2,015
false
true
Average Height of Buildings in Each Segment
average-height-of-buildings-in-each-segment
['Array', 'Greedy', 'Sorting', 'Heap (Priority Queue)']
false
false
58.887865
Easy
2,016
false
false
Maximum Difference Between Increasing Elements
maximum-difference-between-increasing-elements
['Array']
false
false
61.016483
Medium
2,017
false
false
Grid Game
grid-game
['Array', 'Matrix', 'Prefix Sum']
true
false
49.893063
Medium
2,018
false
false
Check if Word Can Be Placed In Crossword
check-if-word-can-be-placed-in-crossword
['Array', 'Matrix', 'Enumeration']
false
false
32.999757
Hard
2,019
false
false
The Score of Students Solving Math Expression
the-score-of-students-solving-math-expression
['Array', 'Math', 'String', 'Dynamic Programming', 'Stack', 'Memoization']
false
false
72.276466
Medium
2,020
false
true
Number of Accounts That Did Not Stream
number-of-accounts-that-did-not-stream
['Database']
false
false
60.903415
Medium
2,021
false
true
Brightest Position on Street
brightest-position-on-street
['Array', 'Sorting', 'Prefix Sum', 'Ordered Set']
false
false
71.716144
Easy
2,022
false
false
Convert 1D Array Into 2D Array
convert-1d-array-into-2d-array
['Array', 'Matrix', 'Simulation']
true
false
74.744565
Medium
2,023
false
false
Number of Pairs of Strings With Concatenation Equal to Target
number-of-pairs-of-strings-with-concatenation-equal-to-target
['Array', 'Hash Table', 'String', 'Counting']
false
false
68.284768
Medium
2,024
false
false
Maximize the Confusion of an Exam
maximize-the-confusion-of-an-exam
['String', 'Binary Search', 'Sliding Window', 'Prefix Sum']
true
false
34.512023
Hard
2,025
false
false
Maximum Number of Ways to Partition an Array
maximum-number-of-ways-to-partition-an-array
['Array', 'Hash Table', 'Counting', 'Enumeration', 'Prefix Sum']
false
false
84.576086
Easy
2,026
false
true
Low-Quality Problems
low-quality-problems
['Database']
false
false
56.236913
Easy
2,027
false
false
Minimum Moves to Convert String
minimum-moves-to-convert-string
['String', 'Greedy']
false
false
57.395334
Medium
2,028
false
false
Find Missing Observations
find-missing-observations
['Array', 'Math', 'Simulation']
true
false
28.643465
Medium
2,029
false
false
Stone Game IX
stone-game-ix
['Array', 'Math', 'Greedy', 'Counting', 'Game Theory']
false
false
38.730768
Hard
2,030
false
false
Smallest K-Length Subsequence With Occurrences of a Letter
smallest-k-length-subsequence-with-occurrences-of-a-letter
['String', 'Stack', 'Greedy', 'Monotonic Stack']
false
false
51.19294
Medium
2,031
false
true
Count Subarrays With More Ones Than Zeros
count-subarrays-with-more-ones-than-zeros
['Array', 'Binary Search', 'Divide and Conquer', 'Binary Indexed Tree', 'Segment Tree', 'Merge Sort', 'Ordered Set']
false
false
76.232413
Easy
2,032
false
false
Two Out of Three
two-out-of-three
['Array', 'Hash Table', 'Bit Manipulation']
false
false
67.435097
Medium
2,033
false
false
Minimum Operations to Make a Uni-Value Grid
minimum-operations-to-make-a-uni-value-grid
['Array', 'Math', 'Sorting', 'Matrix']
true
false
48.825132
Medium
2,034
false
false
Stock Price Fluctuation
stock-price-fluctuation
['Hash Table', 'Design', 'Heap (Priority Queue)', 'Data Stream', 'Ordered Set']
true
false
21.391969
Hard
2,035
false
false
Partition Array Into Two Arrays to Minimize Sum Difference
partition-array-into-two-arrays-to-minimize-sum-difference
['Array', 'Two Pointers', 'Binary Search', 'Dynamic Programming', 'Bit Manipulation', 'Ordered Set', 'Bitmask']
false
false
39.602791
Medium
2,036
false
true
Maximum Alternating Subarray Sum
maximum-alternating-subarray-sum
['Array', 'Dynamic Programming']
false
false
87.27372
Easy
2,037
false
false
Minimum Number of Moves to Seat Everyone
minimum-number-of-moves-to-seat-everyone
['Array', 'Greedy', 'Sorting', 'Counting Sort']
true
false
62.762366
Medium
2,038
false
false
Remove Colored Pieces if Both Neighbors are the Same Color
remove-colored-pieces-if-both-neighbors-are-the-same-color
['Math', 'String', 'Greedy', 'Game Theory']
true
false
53.23903
Medium
2,039
false
false
The Time When the Network Becomes Idle
the-time-when-the-network-becomes-idle
['Array', 'Breadth-First Search', 'Graph']
false
false
30.350528
Hard
2,040
false
false
Kth Smallest Product of Two Sorted Arrays
kth-smallest-product-of-two-sorted-arrays
['Array', 'Binary Search']
false
false
78.670524
Medium
2,041
false
true
Accepted Candidates From the Interviews
accepted-candidates-from-the-interviews
['Database']
true
false
71.374256
Easy
2,042
false
false
Check if Numbers Are Ascending in a Sentence
check-if-numbers-are-ascending-in-a-sentence
['String']
false
false
63.345176
Medium
2,043
false
false
Simple Bank System
simple-bank-system
['Array', 'Hash Table', 'Design', 'Simulation']
false
false
87.948163
Medium
2,044
false
false
Count Number of Maximum Bitwise-OR Subsets
count-number-of-maximum-bitwise-or-subsets
['Array', 'Backtracking', 'Bit Manipulation', 'Enumeration']
true
false
62.644843
Hard
2,045
false
false
Second Minimum Time to Reach Destination
second-minimum-time-to-reach-destination
['Breadth-First Search', 'Graph', 'Shortest Path']
true
false
66.864854
Medium
2,046
false
true
Sort Linked List Already Sorted Using Absolute Values
sort-linked-list-already-sorted-using-absolute-values
['Linked List', 'Two Pointers', 'Sorting']
false
false
29.739621
Easy
2,047
false
false
Number of Valid Words in a Sentence
number-of-valid-words-in-a-sentence
['String']
false
false
48.935568
Medium
2,048
false
false
Next Greater Numerically Balanced Number
next-greater-numerically-balanced-number
['Hash Table', 'Math', 'Backtracking', 'Counting', 'Enumeration']
false
false
50.839756
Medium
2,049
false
false
Count Nodes With the Highest Score
count-nodes-with-the-highest-score
['Array', 'Tree', 'Depth-First Search', 'Binary Tree']
false
false
66.780013
Hard
2,050
false
false
Parallel Courses III
parallel-courses-iii
['Array', 'Dynamic Programming', 'Graph', 'Topological Sort']
true
false
70.582042
Medium
2,051
false
true
The Category of Each Member in the Store
the-category-of-each-member-in-the-store
['Database']
false
false
50.262617
Medium
2,052
false
true
Minimum Cost to Separate Sentence Into Rows
minimum-cost-to-separate-sentence-into-rows
['Array', 'Dynamic Programming']
false
false
81.980019
Easy
2,053
false
false
Kth Distinct String in an Array
kth-distinct-string-in-an-array
['Array', 'Hash Table', 'String', 'Counting']
true
false
61.073806
Medium
2,054
false
false
Two Best Non-Overlapping Events
two-best-non-overlapping-events
['Array', 'Binary Search', 'Dynamic Programming', 'Sorting', 'Heap (Priority Queue)']
true
false
46.408646
Medium
2,055
false
false
Plates Between Candles
plates-between-candles
['Array', 'String', 'Binary Search', 'Prefix Sum']
false
false
47.485007
Hard
2,056
false
false
Number of Valid Move Combinations On Chessboard
number-of-valid-move-combinations-on-chessboard
['Array', 'String', 'Backtracking', 'Simulation']
false
false
72.397831
Easy
2,057
false
false
Smallest Index With Equal Value
smallest-index-with-equal-value
['Array']
false
false
69.447533
Medium
2,058
false
false
Find the Minimum and Maximum Number of Nodes Between Critical Points
find-the-minimum-and-maximum-number-of-nodes-between-critical-points
['Linked List']
true
false
50.288009
Medium
2,059
false
false
Minimum Operations to Convert Number
minimum-operations-to-convert-number
['Array', 'Breadth-First Search']
false
false
43.022243
Hard
2,060
false
false
Check if an Original String Exists Given Two Encoded Strings
check-if-an-original-string-exists-given-two-encoded-strings
['String', 'Dynamic Programming']
false
false
61.87907
Medium
2,061
false
true
Number of Spaces Cleaning Robot Cleaned
number-of-spaces-cleaning-robot-cleaned
['Array', 'Matrix', 'Simulation']
true
false
70.669262
Easy
2,062
false
false
Count Vowel Substrings of a String
count-vowel-substrings-of-a-string
['Hash Table', 'String']
false
false
54.539697
Medium
2,063
false
false
Vowels of All Substrings
vowels-of-all-substrings
['Math', 'String', 'Dynamic Programming', 'Combinatorics']
false
false
62.541394
Medium
2,064
false
false
Minimized Maximum of Products Distributed to Any Store
minimized-maximum-of-products-distributed-to-any-store
['Array', 'Binary Search', 'Greedy']
true
false
59.395578
Hard
2,065
false
false
Maximum Path Quality of a Graph
maximum-path-quality-of-a-graph
['Array', 'Backtracking', 'Graph']
false
false
82.242785
Medium
2,066
false
true
Account Balance
account-balance
['Database']
false
false
44.626106
Medium
2,067
false
true
Number of Equal Count Substrings
number-of-equal-count-substrings
['Hash Table', 'String', 'Sliding Window', 'Counting']
false
false
63.631719
Easy
2,068
false
false
Check Whether Two Strings are Almost Equivalent
check-whether-two-strings-are-almost-equivalent
['Hash Table', 'String', 'Counting']
true
false
26.678712
Medium
2,069
false
false
Walking Robot Simulation II
walking-robot-simulation-ii
['Design', 'Simulation']
false
false
62.048059
Medium
2,070
false
false
Most Beautiful Item for Each Query
most-beautiful-item-for-each-query
['Array', 'Binary Search', 'Sorting']
true
false
34.46208
Hard
2,071
false
false
Maximum Number of Tasks You Can Assign
maximum-number-of-tasks-you-can-assign
['Array', 'Binary Search', 'Greedy', 'Queue', 'Sorting', 'Monotonic Queue']
false
false
75.317949
Easy
2,072
false
true
The Winner University
the-winner-university
['Database']
true
false
70.463366
Easy
2,073
false
false
Time Needed to Buy Tickets
time-needed-to-buy-tickets
['Array', 'Queue', 'Simulation']
true
false
60.278623
Medium
2,074
false
false
Reverse Nodes in Even Length Groups
reverse-nodes-in-even-length-groups
['Linked List']
false
false
48.957439
Medium
2,075
false
false
Decode the Slanted Ciphertext
decode-the-slanted-ciphertext
['String', 'Simulation']
false
false
56.675998
Hard
2,076
false
false
Process Restricted Friend Requests
process-restricted-friend-requests
['Union Find', 'Graph']
false
false
55.844809
Medium
2,077
false
true
Paths in Maze That Lead to Same Room
paths-in-maze-that-lead-to-same-room
['Graph']
false
false
65.484948
Easy
2,078
false
false
Two Furthest Houses With Different Colors
two-furthest-houses-with-different-colors
['Array', 'Greedy']
false
false
79.934241
Medium
2,079
false
false
Watering Plants
watering-plants
['Array', 'Simulation']
false
false
41.443979
Medium
2,080
false
false
Range Frequency Queries
range-frequency-queries
['Array', 'Hash Table', 'Binary Search', 'Design', 'Segment Tree']
false
false
41.407512
Hard
2,081
false
false
Sum of k-Mirror Numbers
sum-of-k-mirror-numbers
['Math', 'Enumeration']
false
false
77.518549
Easy
2,082
false
true
The Number of Rich Customers
the-number-of-rich-customers
['Database']
true
false
74.181939
Medium
2,083
false
true
Substrings That Begin and End With the Same Letter
substrings-that-begin-and-end-with-the-same-letter
['Hash Table', 'Math', 'String', 'Counting', 'Prefix Sum']
true
false
87.197491
Medium
2,084
false
true
Drop Type 1 Orders for Customers With Type 0 Orders
drop-type-1-orders-for-customers-with-type-0-orders
['Database']
false
false
72.094484
Easy
2,085
false
false
Count Common Words With One Occurrence
count-common-words-with-one-occurrence
['Array', 'Hash Table', 'String', 'Counting']
false
false
46.819521
Medium
2,086
false
false
Minimum Number of Food Buckets to Feed the Hamsters
minimum-number-of-food-buckets-to-feed-the-hamsters
['String', 'Dynamic Programming', 'Greedy']
false
false
50.9933
Medium
2,087
false
false
Minimum Cost Homecoming of a Robot in a Grid
minimum-cost-homecoming-of-a-robot-in-a-grid
['Array', 'Greedy']
false
false
65.16
Hard
2,088
false
false
Count Fertile Pyramids in a Land
count-fertile-pyramids-in-a-land
['Array', 'Dynamic Programming', 'Matrix']
false
false
77.104953
Easy
2,089
false
false
Find Target Indices After Sorting Array
find-target-indices-after-sorting-array
['Array', 'Binary Search', 'Sorting']
false
false
45.966997
Medium
2,090
false
false
K Radius Subarray Averages
k-radius-subarray-averages
['Array', 'Sliding Window']
true
false
55.014227
Medium
2,091
false
false
Removing Minimum and Maximum From Array
removing-minimum-and-maximum-from-array
['Array', 'Greedy']
false
false
45.346111
Hard
2,092
false
false
Find All People With Secret
find-all-people-with-secret
['Depth-First Search', 'Breadth-First Search', 'Union Find', 'Graph', 'Sorting']
true
false
59.858734
Medium
2,093
false
true
Minimum Cost to Reach City With Discounts
minimum-cost-to-reach-city-with-discounts
['Graph', 'Heap (Priority Queue)', 'Shortest Path']
true
false
63.640386
Easy
2,094
false
false
Finding 3-Digit Even Numbers
finding-3-digit-even-numbers
['Array', 'Hash Table', 'Sorting', 'Enumeration']
false
false
59.60572
Medium
2,095
false
false
Delete the Middle Node of a Linked List
delete-the-middle-node-of-a-linked-list
['Linked List', 'Two Pointers']
true
false
56.257534
Medium
2,096
false
false
Step-By-Step Directions From a Binary Tree Node to Another
step-by-step-directions-from-a-binary-tree-node-to-another
['String', 'Tree', 'Depth-First Search', 'Binary Tree']
true
false
66.358234
Hard
2,097
false
false
Valid Arrangement of Pairs
valid-arrangement-of-pairs
['Depth-First Search', 'Graph', 'Eulerian Circuit']
true
false
35.597047
Medium
2,098
false
true
Subsequence of Size K With the Largest Even Sum
subsequence-of-size-k-with-the-largest-even-sum
['Array', 'Greedy', 'Sorting']
false
false
45.104107
Easy
2,099
false
false
Find Subsequence of Length K With the Largest Sum
find-subsequence-of-length-k-with-the-largest-sum
['Array', 'Hash Table', 'Sorting', 'Heap (Priority Queue)']
false
false
50.045301
Medium
2,100
false
false
Find Good Days to Rob the Bank
find-good-days-to-rob-the-bank
['Array', 'Dynamic Programming', 'Prefix Sum']
false
false