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
73.471226
Medium
701
false
false
Insert into a Binary Search Tree
insert-into-a-binary-search-tree
['Tree', 'Binary Search Tree', 'Binary Tree']
true
false
72.684195
Medium
702
false
true
Search in a Sorted Array of Unknown Size
search-in-a-sorted-array-of-unknown-size
['Array', 'Binary Search', 'Interactive']
true
false
59.771128
Easy
703
false
false
Kth Largest Element in a Stream
kth-largest-element-in-a-stream
['Tree', 'Design', 'Binary Search Tree', 'Heap (Priority Queue)', 'Binary Tree', 'Data Stream']
true
false
59.289561
Easy
704
false
false
Binary Search
binary-search
['Array', 'Binary Search']
true
false
67.315741
Easy
705
false
false
Design HashSet
design-hashset
['Array', 'Hash Table', 'Linked List', 'Design', 'Hash Function']
true
false
65.704703
Easy
706
false
false
Design HashMap
design-hashmap
['Array', 'Hash Table', 'Linked List', 'Design', 'Hash Function']
true
false
28.964049
Medium
707
false
false
Design Linked List
design-linked-list
['Linked List', 'Design']
true
false
37.832005
Medium
708
false
true
Insert into a Sorted Circular Linked List
insert-into-a-sorted-circular-linked-list
['Linked List']
true
false
84.053597
Easy
709
false
false
To Lower Case
to-lower-case
['String']
true
false
33.740487
Hard
710
false
false
Random Pick with Blacklist
random-pick-with-blacklist
['Array', 'Hash Table', 'Math', 'Binary Search', 'Sorting', 'Randomized']
false
false
54.457145
Hard
711
false
true
Number of Distinct Islands II
number-of-distinct-islands-ii
['Hash Table', 'Depth-First Search', 'Breadth-First Search', 'Union Find', 'Hash Function']
true
false
65.578541
Medium
712
false
false
Minimum ASCII Delete Sum for Two Strings
minimum-ascii-delete-sum-for-two-strings
['String', 'Dynamic Programming']
true
false
52.550953
Medium
713
false
false
Subarray Product Less Than K
subarray-product-less-than-k
['Array', 'Binary Search', 'Sliding Window', 'Prefix Sum']
true
false
70.078334
Medium
714
false
false
Best Time to Buy and Sell Stock with Transaction Fee
best-time-to-buy-and-sell-stock-with-transaction-fee
['Array', 'Dynamic Programming', 'Greedy']
true
false
44.116199
Hard
715
false
false
Range Module
range-module
['Design', 'Segment Tree', 'Ordered Set']
true
false
45.390096
Hard
716
false
true
Max Stack
max-stack
['Linked List', 'Stack', 'Design', 'Doubly-Linked List', 'Ordered Set']
true
false
45.11295
Easy
717
false
false
1-bit and 2-bit Characters
1-bit-and-2-bit-characters
['Array']
true
false
50.981953
Medium
718
false
false
Maximum Length of Repeated Subarray
maximum-length-of-repeated-subarray
['Array', 'Binary Search', 'Dynamic Programming', 'Sliding Window', 'Rolling Hash', 'Hash Function']
true
false
45.647731
Hard
719
false
false
Find K-th Smallest Pair Distance
find-k-th-smallest-pair-distance
['Array', 'Two Pointers', 'Binary Search', 'Sorting']
true
false
53.253764
Medium
720
false
false
Longest Word in Dictionary
longest-word-in-dictionary
['Array', 'Hash Table', 'String', 'Trie', 'Sorting']
true
false
59.075501
Medium
721
false
false
Accounts Merge
accounts-merge
['Array', 'Hash Table', 'String', 'Depth-First Search', 'Breadth-First Search', 'Union Find', 'Sorting']
true
false
39.28995
Medium
722
false
false
Remove Comments
remove-comments
['Array', 'String']
true
false
77.235364
Medium
723
false
true
Candy Crush
candy-crush
['Array', 'Two Pointers', 'Matrix', 'Simulation']
true
false
60.131747
Easy
724
false
false
Find Pivot Index
find-pivot-index
['Array', 'Prefix Sum']
true
false
70.124026
Medium
725
false
false
Split Linked List in Parts
split-linked-list-in-parts
['Linked List']
true
false
65.012669
Hard
726
false
false
Number of Atoms
number-of-atoms
['Hash Table', 'String', 'Stack', 'Sorting']
true
false
43.589359
Hard
727
false
true
Minimum Window Subsequence
minimum-window-subsequence
['String', 'Dynamic Programming', 'Sliding Window']
true
false
79.465499
Easy
728
false
false
Self Dividing Numbers
self-dividing-numbers
['Math']
true
false
58.357572
Medium
729
false
false
My Calendar I
my-calendar-i
['Array', 'Binary Search', 'Design', 'Segment Tree', 'Ordered Set']
true
false
46.209835
Hard
730
false
false
Count Different Palindromic Subsequences
count-different-palindromic-subsequences
['String', 'Dynamic Programming']
true
false
62.835272
Medium
731
false
false
My Calendar II
my-calendar-ii
['Array', 'Binary Search', 'Design', 'Segment Tree', 'Prefix Sum', 'Ordered Set']
true
false
72.041058
Hard
732
false
false
My Calendar III
my-calendar-iii
['Binary Search', 'Design', 'Segment Tree', 'Prefix Sum', 'Ordered Set']
true
false
66.013598
Easy
733
false
false
Flood Fill
flood-fill
['Array', 'Depth-First Search', 'Breadth-First Search', 'Matrix']
true
false
44.548644
Easy
734
false
true
Sentence Similarity
sentence-similarity
['Array', 'Hash Table', 'String']
true
false
45.199975
Medium
735
false
false
Asteroid Collision
asteroid-collision
['Array', 'Stack', 'Simulation']
true
false
52.388607
Hard
736
false
false
Parse Lisp Expression
parse-lisp-expression
['Hash Table', 'String', 'Stack', 'Recursion']
true
false
50.540715
Medium
737
false
true
Sentence Similarity II
sentence-similarity-ii
['Array', 'Hash Table', 'String', 'Depth-First Search', 'Breadth-First Search', 'Union Find']
true
false
48.54372
Medium
738
false
false
Monotone Increasing Digits
monotone-increasing-digits
['Math', 'Greedy']
true
false
67.096998
Medium
739
false
false
Daily Temperatures
daily-temperatures
['Array', 'Stack', 'Monotonic Stack']
true
false
56.668019
Medium
740
false
false
Delete and Earn
delete-and-earn
['Array', 'Hash Table', 'Dynamic Programming']
true
false
37.662232
Hard
741
false
false
Cherry Pickup
cherry-pickup
['Array', 'Dynamic Programming', 'Matrix']
true
false
46.998404
Medium
742
false
true
Closest Leaf in a Binary Tree
closest-leaf-in-a-binary-tree
['Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Tree']
true
false
56.696482
Medium
743
false
false
Network Delay Time
network-delay-time
['Depth-First Search', 'Breadth-First Search', 'Graph', 'Heap (Priority Queue)', 'Shortest Path']
true
false
53.770864
Easy
744
false
false
Find Smallest Letter Greater Than Target
find-smallest-letter-greater-than-target
['Array', 'Binary Search']
true
false
41.227224
Hard
745
false
false
Prefix and Suffix Search
prefix-and-suffix-search
['Array', 'Hash Table', 'String', 'Design', 'Trie']
true
false
66.934322
Easy
746
false
false
Min Cost Climbing Stairs
min-cost-climbing-stairs
['Array', 'Dynamic Programming']
true
false
50.485744
Easy
747
false
false
Largest Number At Least Twice of Others
largest-number-at-least-twice-of-others
['Array', 'Sorting']
true
false
61.091958
Easy
748
false
false
Shortest Completing Word
shortest-completing-word
['Array', 'Hash Table', 'String']
true
false
52.282476
Hard
749
false
false
Contain Virus
contain-virus
['Array', 'Depth-First Search', 'Breadth-First Search', 'Matrix', 'Simulation']
true
false
67.802254
Medium
750
false
true
Number Of Corner Rectangles
number-of-corner-rectangles
['Array', 'Math', 'Dynamic Programming', 'Matrix']
true
false
55.339273
Medium
751
false
true
IP to CIDR
ip-to-cidr
['String', 'Bit Manipulation']
true
false
60.629988
Medium
752
false
false
Open the Lock
open-the-lock
['Array', 'Hash Table', 'String', 'Breadth-First Search']
true
false
57.632755
Hard
753
false
false
Cracking the Safe
cracking-the-safe
['Depth-First Search', 'Graph', 'Eulerian Circuit']
true
false
43.742326
Medium
754
false
false
Reach a Number
reach-a-number
['Math', 'Binary Search']
true
false
47.697481
Medium
755
false
true
Pour Water
pour-water
['Array', 'Simulation']
true
false
52.825535
Medium
756
false
false
Pyramid Transition Matrix
pyramid-transition-matrix
['Bit Manipulation', 'Depth-First Search', 'Breadth-First Search']
true
false
44.997518
Hard
757
false
false
Set Intersection Size At Least Two
set-intersection-size-at-least-two
['Array', 'Greedy', 'Sorting']
true
false
52.022895
Medium
758
false
true
Bold Words in String
bold-words-in-string
['Array', 'Hash Table', 'String', 'Trie', 'String Matching']
true
false
72.546267
Hard
759
false
true
Employee Free Time
employee-free-time
['Array', 'Sorting', 'Heap (Priority Queue)']
true
false
83.836716
Easy
760
false
true
Find Anagram Mappings
find-anagram-mappings
['Array', 'Hash Table']
true
true
63.136947
Hard
761
false
false
Special Binary String
special-binary-string
['String', 'Recursion']
true
false
70.661904
Easy
762
false
false
Prime Number of Set Bits in Binary Representation
prime-number-of-set-bits-in-binary-representation
['Math', 'Bit Manipulation']
true
false
81.432659
Medium
763
false
false
Partition Labels
partition-labels
['Hash Table', 'Two Pointers', 'String', 'Greedy']
true
false
48.467879
Medium
764
false
false
Largest Plus Sign
largest-plus-sign
['Array', 'Dynamic Programming']
true
false
58.192183
Hard
765
false
false
Couples Holding Hands
couples-holding-hands
['Greedy', 'Depth-First Search', 'Breadth-First Search', 'Union Find', 'Graph']
true
false
69.512484
Easy
766
false
false
Toeplitz Matrix
toeplitz-matrix
['Array', 'Matrix']
true
false
55.9366
Medium
767
false
false
Reorganize String
reorganize-string
['Hash Table', 'String', 'Greedy', 'Sorting', 'Heap (Priority Queue)', 'Counting']
true
false
54.007232
Hard
768
false
false
Max Chunks To Make Sorted II
max-chunks-to-make-sorted-ii
['Array', 'Stack', 'Greedy', 'Sorting', 'Monotonic Stack']
true
false
63.977886
Medium
769
false
false
Max Chunks To Make Sorted
max-chunks-to-make-sorted
['Array', 'Stack', 'Greedy', 'Sorting', 'Monotonic Stack']
true
false
54.62567
Hard
770
false
false
Basic Calculator IV
basic-calculator-iv
['Hash Table', 'Math', 'String', 'Stack', 'Recursion']
true
false
89.135352
Easy
771
false
false
Jewels and Stones
jewels-and-stones
['Hash Table', 'String']
true
false
52.132996
Hard
772
false
true
Basic Calculator III
basic-calculator-iii
['Math', 'String', 'Stack', 'Recursion']
true
false
73.028294
Hard
773
false
false
Sliding Puzzle
sliding-puzzle
['Array', 'Dynamic Programming', 'Backtracking', 'Breadth-First Search', 'Memoization', 'Matrix']
true
false
52.867216
Hard
774
false
true
Minimize Max Distance to Gas Station
minimize-max-distance-to-gas-station
['Array', 'Binary Search']
true
false
42.284753
Medium
775
false
false
Global and Local Inversions
global-and-local-inversions
['Array', 'Math']
true
false
82.452597
Medium
776
false
true
Split BST
split-bst
['Tree', 'Binary Search Tree', 'Recursion', 'Binary Tree']
true
false
37.428364
Medium
777
false
false
Swap Adjacent in LR String
swap-adjacent-in-lr-string
['Two Pointers', 'String']
true
false
62.388391
Hard
778
false
false
Swim in Rising Water
swim-in-rising-water
['Array', 'Binary Search', 'Depth-First Search', 'Breadth-First Search', 'Union Find', 'Heap (Priority Queue)', 'Matrix']
true
false
47.234436
Medium
779
false
false
K-th Symbol in Grammar
k-th-symbol-in-grammar
['Math', 'Bit Manipulation', 'Recursion']
true
false
33.544765
Hard
780
false
false
Reaching Points
reaching-points
['Math']
true
false
52.649027
Medium
781
false
false
Rabbits in Forest
rabbits-in-forest
['Array', 'Hash Table', 'Math', 'Greedy']
true
false
50.432816
Hard
782
false
false
Transform to Chessboard
transform-to-chessboard
['Array', 'Math', 'Bit Manipulation', 'Matrix']
true
false
60.155316
Easy
783
false
false
Minimum Distance Between BST Nodes
minimum-distance-between-bst-nodes
['Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Search Tree', 'Binary Tree']
true
false
74.908639
Medium
784
false
false
Letter Case Permutation
letter-case-permutation
['String', 'Backtracking', 'Bit Manipulation']
true
false
57.341465
Medium
785
false
false
Is Graph Bipartite?
is-graph-bipartite
['Depth-First Search', 'Breadth-First Search', 'Union Find', 'Graph']
true
true
68.432926
Medium
786
false
false
K-th Smallest Prime Fraction
k-th-smallest-prime-fraction
['Array', 'Two Pointers', 'Binary Search', 'Sorting', 'Heap (Priority Queue)']
true
false
40.160931
Medium
787
false
false
Cheapest Flights Within K Stops
cheapest-flights-within-k-stops
['Dynamic Programming', 'Depth-First Search', 'Breadth-First Search', 'Graph', 'Heap (Priority Queue)', 'Shortest Path']
true
false
56.405532
Medium
788
false
false
Rotated Digits
rotated-digits
['Math', 'Dynamic Programming']
true
false
62.451687
Medium
789
false
false
Escape The Ghosts
escape-the-ghosts
['Array', 'Math']
true
false
48.498356
Medium
790
false
false
Domino and Tromino Tiling
domino-and-tromino-tiling
['Dynamic Programming']
true
true
71.82989
Medium
791
false
false
Custom Sort String
custom-sort-string
['Hash Table', 'String', 'Sorting']
true
false
50.687435
Medium
792
false
false
Number of Matching Subsequences
number-of-matching-subsequences
['Array', 'Hash Table', 'String', 'Binary Search', 'Dynamic Programming', 'Trie', 'Sorting']
true
false
45.525376
Hard
793
false
false
Preimage Size of Factorial Zeroes Function
preimage-size-of-factorial-zeroes-function
['Math', 'Binary Search']
true
false
34.60565
Medium
794
false
false
Valid Tic-Tac-Toe State
valid-tic-tac-toe-state
['Array', 'Matrix']
true
false
53.632227
Medium
795
false
false
Number of Subarrays with Bounded Maximum
number-of-subarrays-with-bounded-maximum
['Array', 'Two Pointers']
true
false
63.68065
Easy
796
false
false
Rotate String
rotate-string
['String', 'String Matching']
true
false
82.989226
Medium
797
false
false
All Paths From Source to Target
all-paths-from-source-to-target
['Backtracking', 'Depth-First Search', 'Breadth-First Search', 'Graph']
true
false
51.869483
Hard
798
false
false
Smallest Rotation with Highest Score
smallest-rotation-with-highest-score
['Array', 'Prefix Sum']
true
false
58.222852
Medium
799
false
false
Champagne Tower
champagne-tower
['Dynamic Programming']
true
false
67.740962
Easy
800
false
true
Similar RGB Color
similar-rgb-color
['Math', 'String', 'Enumeration']
true
false