kaysss/leetcode-problem-set · Datasets at Hugging Face

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
40.621152	Hard	801	false	false	Minimum Swaps To Make Sequences Increasing	minimum-swaps-to-make-sequences-increasing	['Array', 'Dynamic Programming']	true	false
68.129692	Medium	802	false	false	Find Eventual Safe States	find-eventual-safe-states	['Depth-First Search', 'Breadth-First Search', 'Graph', 'Topological Sort']	true	false
35.375967	Hard	803	false	false	Bricks Falling When Hit	bricks-falling-when-hit	['Array', 'Union Find', 'Matrix']	true	false
83.170537	Easy	804	false	false	Unique Morse Code Words	unique-morse-code-words	['Array', 'Hash Table', 'String']	true	false
25.884468	Hard	805	false	false	Split Array With Same Average	split-array-with-same-average	['Array', 'Math', 'Dynamic Programming', 'Bit Manipulation', 'Bitmask']	true	false
70.359535	Easy	806	false	false	Number of Lines To Write String	number-of-lines-to-write-string	['Array', 'String']	true	false
86.173878	Medium	807	false	false	Max Increase to Keep City Skyline	max-increase-to-keep-city-skyline	['Array', 'Greedy', 'Matrix']	true	false
53.314865	Medium	808	false	false	Soup Servings	soup-servings	['Math', 'Dynamic Programming', 'Probability and Statistics']	true	false
46.319483	Medium	809	false	false	Expressive Words	expressive-words	['Array', 'Two Pointers', 'String']	true	false
62.362007	Hard	810	false	false	Chalkboard XOR Game	chalkboard-xor-game	['Array', 'Math', 'Bit Manipulation', 'Brainteaser', 'Game Theory']	true	false
76.760827	Medium	811	false	false	Subdomain Visit Count	subdomain-visit-count	['Array', 'Hash Table', 'String', 'Counting']	true	false
61.755276	Easy	812	false	false	Largest Triangle Area	largest-triangle-area	['Array', 'Math', 'Geometry']	true	false
53.929004	Medium	813	false	false	Largest Sum of Averages	largest-sum-of-averages	['Array', 'Dynamic Programming', 'Prefix Sum']	true	false
72.319825	Medium	814	false	false	Binary Tree Pruning	binary-tree-pruning	['Tree', 'Depth-First Search', 'Binary Tree']	true	false
46.984025	Hard	815	false	false	Bus Routes	bus-routes	['Array', 'Hash Table', 'Breadth-First Search']	true	false
55.771468	Medium	816	false	false	Ambiguous Coordinates	ambiguous-coordinates	['String', 'Backtracking', 'Enumeration']	true	false
57.137057	Medium	817	false	false	Linked List Components	linked-list-components	['Array', 'Hash Table', 'Linked List']	true	false
44.005832	Hard	818	false	false	Race Car	race-car	['Dynamic Programming']	true	false
44.506396	Easy	819	false	false	Most Common Word	most-common-word	['Array', 'Hash Table', 'String', 'Counting']	true	false
60.52004	Medium	820	false	false	Short Encoding of Words	short-encoding-of-words	['Array', 'Hash Table', 'String', 'Trie']	true	false
72.064695	Easy	821	false	false	Shortest Distance to a Character	shortest-distance-to-a-character	['Array', 'Two Pointers', 'String']	true	false
48.03421	Medium	822	false	false	Card Flipping Game	card-flipping-game	['Array', 'Hash Table']	true	false
52.908877	Medium	823	false	false	Binary Trees With Factors	binary-trees-with-factors	['Array', 'Hash Table', 'Dynamic Programming', 'Sorting']	true	false
69.207624	Easy	824	false	false	Goat Latin	goat-latin	['String']	true	false
48.849883	Medium	825	false	false	Friends Of Appropriate Ages	friends-of-appropriate-ages	['Array', 'Two Pointers', 'Binary Search', 'Sorting']	true	false
55.855732	Medium	826	false	false	Most Profit Assigning Work	most-profit-assigning-work	['Array', 'Two Pointers', 'Binary Search', 'Greedy', 'Sorting']	true	false
54.356782	Hard	827	false	false	Making A Large Island	making-a-large-island	['Array', 'Depth-First Search', 'Breadth-First Search', 'Union Find', 'Matrix']	true	false
52.727767	Hard	828	false	false	Count Unique Characters of All Substrings of a Given String	count-unique-characters-of-all-substrings-of-a-given-string	['Hash Table', 'String', 'Dynamic Programming']	true	false
41.932352	Hard	829	false	false	Consecutive Numbers Sum	consecutive-numbers-sum	['Math', 'Enumeration']	true	false
52.787494	Easy	830	false	false	Positions of Large Groups	positions-of-large-groups	['String']	true	false
50.25433	Medium	831	false	false	Masking Personal Information	masking-personal-information	['String']	true	false
82.82479	Easy	832	false	false	Flipping an Image	flipping-an-image	['Array', 'Two Pointers', 'Bit Manipulation', 'Matrix', 'Simulation']	true	false
51.431187	Medium	833	false	false	Find And Replace in String	find-and-replace-in-string	['Array', 'Hash Table', 'String', 'Sorting']	true	false
65.266357	Hard	834	false	false	Sum of Distances in Tree	sum-of-distances-in-tree	['Dynamic Programming', 'Tree', 'Depth-First Search', 'Graph']	true	false
63.703499	Medium	835	false	false	Image Overlap	image-overlap	['Array', 'Matrix']	true	false
45.580197	Easy	836	false	false	Rectangle Overlap	rectangle-overlap	['Math', 'Geometry']	true	false
44.798846	Medium	837	false	false	New 21 Game	new-21-game	['Math', 'Dynamic Programming', 'Sliding Window', 'Probability and Statistics']	true	false
57.345235	Medium	838	false	false	Push Dominoes	push-dominoes	['Two Pointers', 'String', 'Dynamic Programming']	true	false
55.227748	Hard	839	false	false	Similar String Groups	similar-string-groups	['Array', 'Hash Table', 'String', 'Depth-First Search', 'Breadth-First Search', 'Union Find']	true	false
51.527998	Medium	840	false	false	Magic Squares In Grid	magic-squares-in-grid	['Array', 'Hash Table', 'Math', 'Matrix']	true	false
74.382025	Medium	841	false	false	Keys and Rooms	keys-and-rooms	['Depth-First Search', 'Breadth-First Search', 'Graph']	true	false
39.560793	Medium	842	false	false	Split Array into Fibonacci Sequence	split-array-into-fibonacci-sequence	['String', 'Backtracking']	true	false
37.907186	Hard	843	false	false	Guess the Word	guess-the-word	['Array', 'Math', 'String', 'Interactive', 'Game Theory']	false	false
49.429812	Easy	844	false	false	Backspace String Compare	backspace-string-compare	['Two Pointers', 'String', 'Stack', 'Simulation']	true	false
40.955512	Medium	845	false	false	Longest Mountain in Array	longest-mountain-in-array	['Array', 'Two Pointers', 'Dynamic Programming', 'Enumeration']	true	false
56.911092	Medium	846	false	false	Hand of Straights	hand-of-straights	['Array', 'Hash Table', 'Greedy', 'Sorting']	true	false
65.351998	Hard	847	false	false	Shortest Path Visiting All Nodes	shortest-path-visiting-all-nodes	['Dynamic Programming', 'Bit Manipulation', 'Breadth-First Search', 'Graph', 'Bitmask']	true	false
45.37982	Medium	848	false	false	Shifting Letters	shifting-letters	['Array', 'String', 'Prefix Sum']	true	false
48.790061	Medium	849	false	false	Maximize Distance to Closest Person	maximize-distance-to-closest-person	['Array']	true	false
54.458863	Hard	850	false	false	Rectangle Area II	rectangle-area-ii	['Array', 'Segment Tree', 'Line Sweep', 'Ordered Set']	true	false
61.055589	Medium	851	false	false	Loud and Rich	loud-and-rich	['Array', 'Depth-First Search', 'Graph', 'Topological Sort']	true	false
67.707081	Medium	852	false	false	Peak Index in a Mountain Array	peak-index-in-a-mountain-array	['Array', 'Binary Search']	true	false
53.12488	Medium	853	false	false	Car Fleet	car-fleet	['Array', 'Stack', 'Sorting', 'Monotonic Stack']	true	false
40.015461	Hard	854	false	false	K-Similar Strings	k-similar-strings	['String', 'Breadth-First Search']	true	false
43.628068	Medium	855	false	false	Exam Room	exam-room	['Design', 'Heap (Priority Queue)', 'Ordered Set']	true	false
63.756105	Medium	856	false	false	Score of Parentheses	score-of-parentheses	['String', 'Stack']	true	false
63.418187	Hard	857	false	false	Minimum Cost to Hire K Workers	minimum-cost-to-hire-k-workers	['Array', 'Greedy', 'Sorting', 'Heap (Priority Queue)']	true	false
62.025828	Medium	858	false	false	Mirror Reflection	mirror-reflection	['Math', 'Geometry', 'Number Theory']	true	false
33.579115	Easy	859	false	false	Buddy Strings	buddy-strings	['Hash Table', 'String']	true	false
58.339571	Easy	860	false	false	Lemonade Change	lemonade-change	['Array', 'Greedy']	true	false
80.222541	Medium	861	false	false	Score After Flipping Matrix	score-after-flipping-matrix	['Array', 'Greedy', 'Bit Manipulation', 'Matrix']	true	false
32.180568	Hard	862	false	false	Shortest Subarray with Sum at Least K	shortest-subarray-with-sum-at-least-k	['Array', 'Binary Search', 'Queue', 'Sliding Window', 'Heap (Priority Queue)', 'Prefix Sum', 'Monotonic Queue']	true	false
66.019833	Medium	863	false	false	All Nodes Distance K in Binary Tree	all-nodes-distance-k-in-binary-tree	['Hash Table', 'Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Tree']	true	false
53.623477	Hard	864	false	false	Shortest Path to Get All Keys	shortest-path-to-get-all-keys	['Array', 'Bit Manipulation', 'Breadth-First Search', 'Matrix']	true	false
72.307974	Medium	865	false	false	Smallest Subtree with all the Deepest Nodes	smallest-subtree-with-all-the-deepest-nodes	['Hash Table', 'Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Tree']	true	false
26.638408	Medium	866	false	false	Prime Palindrome	prime-palindrome	['Math', 'Number Theory']	true	false
73.897331	Easy	867	false	false	Transpose Matrix	transpose-matrix	['Array', 'Matrix', 'Simulation']	true	false
64.228608	Easy	868	false	false	Binary Gap	binary-gap	['Bit Manipulation']	true	false
62.162761	Medium	869	false	false	Reordered Power of 2	reordered-power-of-2	['Hash Table', 'Math', 'Sorting', 'Counting', 'Enumeration']	true	false
53.193712	Medium	870	false	false	Advantage Shuffle	advantage-shuffle	['Array', 'Two Pointers', 'Greedy', 'Sorting']	true	false
40.441827	Hard	871	false	false	Minimum Number of Refueling Stops	minimum-number-of-refueling-stops	['Array', 'Dynamic Programming', 'Greedy', 'Heap (Priority Queue)']	true	false
70.062513	Easy	872	false	false	Leaf-Similar Trees	leaf-similar-trees	['Tree', 'Depth-First Search', 'Binary Tree']	true	false
57.647363	Medium	873	false	false	Length of Longest Fibonacci Subsequence	length-of-longest-fibonacci-subsequence	['Array', 'Hash Table', 'Dynamic Programming']	true	false
58.139736	Medium	874	false	false	Walking Robot Simulation	walking-robot-simulation	['Array', 'Hash Table', 'Simulation']	true	false
48.949982	Medium	875	false	false	Koko Eating Bananas	koko-eating-bananas	['Array', 'Binary Search']	true	false
80.267816	Easy	876	false	false	Middle of the Linked List	middle-of-the-linked-list	['Linked List', 'Two Pointers']	true	true
71.473758	Medium	877	false	false	Stone Game	stone-game	['Array', 'Math', 'Dynamic Programming', 'Game Theory']	true	false
35.694692	Hard	878	false	false	Nth Magical Number	nth-magical-number	['Math', 'Binary Search']	true	false
48.015483	Hard	879	false	false	Profitable Schemes	profitable-schemes	['Array', 'Dynamic Programming']	true	false
36.59979	Medium	880	false	false	Decoded String at Index	decoded-string-at-index	['String', 'Stack']	true	false
60.026965	Medium	881	false	false	Boats to Save People	boats-to-save-people	['Array', 'Two Pointers', 'Greedy', 'Sorting']	true	false
50.702546	Hard	882	false	false	Reachable Nodes In Subdivided Graph	reachable-nodes-in-subdivided-graph	['Graph', 'Heap (Priority Queue)', 'Shortest Path']	true	false
73.864647	Easy	883	false	false	Projection Area of 3D Shapes	projection-area-of-3d-shapes	['Array', 'Math', 'Geometry', 'Matrix']	true	false
75.291569	Easy	884	false	false	Uncommon Words from Two Sentences	uncommon-words-from-two-sentences	['Hash Table', 'String', 'Counting']	true	false
84.464132	Medium	885	false	false	Spiral Matrix III	spiral-matrix-iii	['Array', 'Matrix', 'Simulation']	true	false
51.272686	Medium	886	false	false	Possible Bipartition	possible-bipartition	['Depth-First Search', 'Breadth-First Search', 'Union Find', 'Graph']	true	false
28.491824	Hard	887	false	false	Super Egg Drop	super-egg-drop	['Math', 'Binary Search', 'Dynamic Programming']	true	false
63.007515	Easy	888	false	false	Fair Candy Swap	fair-candy-swap	['Array', 'Hash Table', 'Binary Search', 'Sorting']	true	false
77.947375	Medium	889	false	false	Construct Binary Tree from Preorder and Postorder Traversal	construct-binary-tree-from-preorder-and-postorder-traversal	['Array', 'Hash Table', 'Divide and Conquer', 'Tree', 'Binary Tree']	true	false
76.810282	Medium	890	false	false	Find and Replace Pattern	find-and-replace-pattern	['Array', 'Hash Table', 'String']	true	false
38.699791	Hard	891	false	false	Sum of Subsequence Widths	sum-of-subsequence-widths	['Array', 'Math', 'Sorting']	true	false
67.698078	Easy	892	false	false	Surface Area of 3D Shapes	surface-area-of-3d-shapes	['Array', 'Math', 'Geometry', 'Matrix']	true	false
72.622993	Medium	893	false	false	Groups of Special-Equivalent Strings	groups-of-special-equivalent-strings	['Array', 'Hash Table', 'String', 'Sorting']	true	false
82.706428	Medium	894	false	false	All Possible Full Binary Trees	all-possible-full-binary-trees	['Dynamic Programming', 'Tree', 'Recursion', 'Memoization', 'Binary Tree']	true	false
66.742113	Hard	895	false	false	Maximum Frequency Stack	maximum-frequency-stack	['Hash Table', 'Stack', 'Design', 'Ordered Set']	true	false
61.570428	Easy	896	false	false	Monotonic Array	monotonic-array	['Array']	true	false
78.578632	Easy	897	false	false	Increasing Order Search Tree	increasing-order-search-tree	['Stack', 'Tree', 'Depth-First Search', 'Binary Search Tree', 'Binary Tree']	true	false
40.427087	Medium	898	false	false	Bitwise ORs of Subarrays	bitwise-ors-of-subarrays	['Array', 'Dynamic Programming', 'Bit Manipulation']	true	false
66.125312	Hard	899	false	false	Orderly Queue	orderly-queue	['Math', 'String', 'Sorting']	true	false
59.761243	Medium	900	false	false	RLE Iterator	rle-iterator	['Array', 'Design', 'Counting', 'Iterator']	true	false

40.621152

Hard

801

false

Minimum Swaps To Make Sequences Increasing

minimum-swaps-to-make-sequences-increasing

['Array', 'Dynamic Programming']

true

false

68.129692

Medium

802

false

Find Eventual Safe States

find-eventual-safe-states

['Depth-First Search', 'Breadth-First Search', 'Graph', 'Topological Sort']

true

false

35.375967

Hard

803

false

Bricks Falling When Hit

bricks-falling-when-hit

['Array', 'Union Find', 'Matrix']

true

false

83.170537

Easy

804

false

Unique Morse Code Words

unique-morse-code-words

['Array', 'Hash Table', 'String']

true

false

25.884468

Hard

805

false

Split Array With Same Average

split-array-with-same-average

['Array', 'Math', 'Dynamic Programming', 'Bit Manipulation', 'Bitmask']

true

false

70.359535

Easy

806

false

Number of Lines To Write String

number-of-lines-to-write-string

['Array', 'String']

true

false

86.173878

Medium

807

false

Max Increase to Keep City Skyline

max-increase-to-keep-city-skyline

['Array', 'Greedy', 'Matrix']

true

false

53.314865

Medium

808

false

Soup Servings

soup-servings

['Math', 'Dynamic Programming', 'Probability and Statistics']

true

false

46.319483

Medium

809

false

Expressive Words

expressive-words

['Array', 'Two Pointers', 'String']

true

false

62.362007

Hard

810

false

Chalkboard XOR Game

chalkboard-xor-game

['Array', 'Math', 'Bit Manipulation', 'Brainteaser', 'Game Theory']

true

false

76.760827

Medium

811

false

Subdomain Visit Count

subdomain-visit-count

['Array', 'Hash Table', 'String', 'Counting']

true

false

61.755276

Easy

812

false

Largest Triangle Area

largest-triangle-area

['Array', 'Math', 'Geometry']

true

false

53.929004

Medium

813

false

Largest Sum of Averages

largest-sum-of-averages

['Array', 'Dynamic Programming', 'Prefix Sum']

true

false

72.319825

Medium

814

false

Binary Tree Pruning

binary-tree-pruning

['Tree', 'Depth-First Search', 'Binary Tree']

true

false

46.984025

Hard

815

false

Bus Routes

bus-routes

['Array', 'Hash Table', 'Breadth-First Search']

true

false

55.771468

Medium

816

false

Ambiguous Coordinates

ambiguous-coordinates

['String', 'Backtracking', 'Enumeration']

true

false

57.137057

Medium

817

false

Linked List Components

linked-list-components

['Array', 'Hash Table', 'Linked List']

true

false

44.005832

Hard

818

false

Race Car

race-car

['Dynamic Programming']

true

false

44.506396

Easy

819

false

Most Common Word

most-common-word

['Array', 'Hash Table', 'String', 'Counting']

true

false

60.52004

Medium

820

false

Short Encoding of Words

short-encoding-of-words

['Array', 'Hash Table', 'String', 'Trie']

true

false

72.064695

Easy

821

false

Shortest Distance to a Character

shortest-distance-to-a-character

['Array', 'Two Pointers', 'String']

true

false

48.03421

Medium

822

false

Card Flipping Game

card-flipping-game

['Array', 'Hash Table']

true

false

52.908877

Medium

823

false

Binary Trees With Factors

binary-trees-with-factors

['Array', 'Hash Table', 'Dynamic Programming', 'Sorting']

true

false

69.207624

Easy

824

false

Goat Latin

goat-latin

['String']

true

false

48.849883

Medium

825

false

Friends Of Appropriate Ages

friends-of-appropriate-ages

['Array', 'Two Pointers', 'Binary Search', 'Sorting']

true

false

55.855732

Medium

826

false

Most Profit Assigning Work

most-profit-assigning-work

['Array', 'Two Pointers', 'Binary Search', 'Greedy', 'Sorting']

true

false

54.356782

Hard

827

false

Making A Large Island

making-a-large-island

['Array', 'Depth-First Search', 'Breadth-First Search', 'Union Find', 'Matrix']

true

false

52.727767

Hard

828

false

Count Unique Characters of All Substrings of a Given String

count-unique-characters-of-all-substrings-of-a-given-string

['Hash Table', 'String', 'Dynamic Programming']

true

false

41.932352

Hard

829

false

Consecutive Numbers Sum

consecutive-numbers-sum

['Math', 'Enumeration']

true

false

52.787494

Easy

830

false

Positions of Large Groups

positions-of-large-groups

['String']

true

false

50.25433

Medium

831

false

Masking Personal Information

masking-personal-information

['String']

true

false

82.82479

Easy

832

false

Flipping an Image

flipping-an-image

['Array', 'Two Pointers', 'Bit Manipulation', 'Matrix', 'Simulation']

true

false

51.431187

Medium

833

false

Find And Replace in String

find-and-replace-in-string

['Array', 'Hash Table', 'String', 'Sorting']

true

false

65.266357

Hard

834

false

Sum of Distances in Tree

sum-of-distances-in-tree

['Dynamic Programming', 'Tree', 'Depth-First Search', 'Graph']

true

false

63.703499

Medium

835

false

Image Overlap

image-overlap

['Array', 'Matrix']

true

false

45.580197

Easy

836

false

Rectangle Overlap

rectangle-overlap

['Math', 'Geometry']

true

false

44.798846

Medium

837

false

New 21 Game

new-21-game

['Math', 'Dynamic Programming', 'Sliding Window', 'Probability and Statistics']

true

false

57.345235

Medium

838

false

Push Dominoes

push-dominoes

['Two Pointers', 'String', 'Dynamic Programming']

true

false

55.227748

Hard

839

false

Similar String Groups

similar-string-groups

['Array', 'Hash Table', 'String', 'Depth-First Search', 'Breadth-First Search', 'Union Find']

true

false

51.527998

Medium

840

false

Magic Squares In Grid

magic-squares-in-grid

['Array', 'Hash Table', 'Math', 'Matrix']

true

false

74.382025

Medium

841

false

Keys and Rooms

keys-and-rooms

['Depth-First Search', 'Breadth-First Search', 'Graph']

true

false

39.560793

Medium

842

false

Split Array into Fibonacci Sequence

split-array-into-fibonacci-sequence

['String', 'Backtracking']

true

false

37.907186

Hard

843

false

Guess the Word

guess-the-word

['Array', 'Math', 'String', 'Interactive', 'Game Theory']

false

49.429812

Easy

844

false

Backspace String Compare

backspace-string-compare

['Two Pointers', 'String', 'Stack', 'Simulation']

true

false

40.955512

Medium

845

false

Longest Mountain in Array

longest-mountain-in-array

['Array', 'Two Pointers', 'Dynamic Programming', 'Enumeration']

true

false

56.911092

Medium

846

false

Hand of Straights

hand-of-straights

['Array', 'Hash Table', 'Greedy', 'Sorting']

true

false

65.351998

Hard

847

false

Shortest Path Visiting All Nodes

shortest-path-visiting-all-nodes

['Dynamic Programming', 'Bit Manipulation', 'Breadth-First Search', 'Graph', 'Bitmask']

true

false

45.37982

Medium

848

false

Shifting Letters

shifting-letters

['Array', 'String', 'Prefix Sum']

true

false

48.790061

Medium

849

false

Maximize Distance to Closest Person

maximize-distance-to-closest-person

['Array']

true

false

54.458863

Hard

850

false

Rectangle Area II

rectangle-area-ii

['Array', 'Segment Tree', 'Line Sweep', 'Ordered Set']

true

false

61.055589

Medium

851

false

Loud and Rich

loud-and-rich

['Array', 'Depth-First Search', 'Graph', 'Topological Sort']

true

false

67.707081

Medium

852

false

Peak Index in a Mountain Array

peak-index-in-a-mountain-array

['Array', 'Binary Search']

true

false

53.12488

Medium

853

false

Car Fleet

car-fleet

['Array', 'Stack', 'Sorting', 'Monotonic Stack']

true

false

40.015461

Hard

854

false

K-Similar Strings

k-similar-strings

['String', 'Breadth-First Search']

true

false

43.628068

Medium

855

false

Exam Room

exam-room

['Design', 'Heap (Priority Queue)', 'Ordered Set']

true

false

63.756105

Medium

856

false

Score of Parentheses

score-of-parentheses

['String', 'Stack']

true

false

63.418187

Hard

857

false

Minimum Cost to Hire K Workers

minimum-cost-to-hire-k-workers

['Array', 'Greedy', 'Sorting', 'Heap (Priority Queue)']

true

false

62.025828

Medium

858

false

Mirror Reflection

mirror-reflection

['Math', 'Geometry', 'Number Theory']

true

false

33.579115

Easy

859

false

Buddy Strings

buddy-strings

['Hash Table', 'String']

true

false

58.339571

Easy

860

false

Lemonade Change

lemonade-change

['Array', 'Greedy']

true

false

80.222541

Medium

861

false

Score After Flipping Matrix

score-after-flipping-matrix

['Array', 'Greedy', 'Bit Manipulation', 'Matrix']

true

false

32.180568

Hard

862

false

Shortest Subarray with Sum at Least K

shortest-subarray-with-sum-at-least-k

['Array', 'Binary Search', 'Queue', 'Sliding Window', 'Heap (Priority Queue)', 'Prefix Sum', 'Monotonic Queue']

true

false

66.019833

Medium

863

false

All Nodes Distance K in Binary Tree

all-nodes-distance-k-in-binary-tree

['Hash Table', 'Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Tree']

true

false

53.623477

Hard

864

false

Shortest Path to Get All Keys

shortest-path-to-get-all-keys

['Array', 'Bit Manipulation', 'Breadth-First Search', 'Matrix']

true

false

72.307974

Medium

865

false

Smallest Subtree with all the Deepest Nodes

smallest-subtree-with-all-the-deepest-nodes

['Hash Table', 'Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Tree']

true

false

26.638408

Medium

866

false

Prime Palindrome

prime-palindrome

['Math', 'Number Theory']

true

false

73.897331

Easy

867

false

Transpose Matrix

transpose-matrix

['Array', 'Matrix', 'Simulation']

true

false

64.228608

Easy

868

false

Binary Gap

binary-gap

['Bit Manipulation']

true

false

62.162761

Medium

869

false

Reordered Power of 2

reordered-power-of-2

['Hash Table', 'Math', 'Sorting', 'Counting', 'Enumeration']

true

false

53.193712

Medium

870

false

Advantage Shuffle

advantage-shuffle

['Array', 'Two Pointers', 'Greedy', 'Sorting']

true

false

40.441827

Hard

871

false

Minimum Number of Refueling Stops

minimum-number-of-refueling-stops

['Array', 'Dynamic Programming', 'Greedy', 'Heap (Priority Queue)']

true

false

70.062513

Easy

872

false

Leaf-Similar Trees

leaf-similar-trees

['Tree', 'Depth-First Search', 'Binary Tree']

true

false

57.647363

Medium

873

false

Length of Longest Fibonacci Subsequence

length-of-longest-fibonacci-subsequence

['Array', 'Hash Table', 'Dynamic Programming']

true

false

58.139736

Medium

874

false

Walking Robot Simulation

walking-robot-simulation

['Array', 'Hash Table', 'Simulation']

true

false

48.949982

Medium

875

false

Koko Eating Bananas

koko-eating-bananas

['Array', 'Binary Search']

true

false

80.267816

Easy

876

false

Middle of the Linked List

middle-of-the-linked-list

['Linked List', 'Two Pointers']

true

71.473758

Medium

877

false

Stone Game

stone-game

['Array', 'Math', 'Dynamic Programming', 'Game Theory']

true

false

35.694692

Hard

878

false

Nth Magical Number

nth-magical-number

['Math', 'Binary Search']

true

false

48.015483

Hard

879

false

Profitable Schemes

profitable-schemes

['Array', 'Dynamic Programming']

true

false

36.59979

Medium

880

false

Decoded String at Index

decoded-string-at-index

['String', 'Stack']

true

false

60.026965

Medium

881

false

Boats to Save People

boats-to-save-people

['Array', 'Two Pointers', 'Greedy', 'Sorting']

true

false

50.702546

Hard

882

false

Reachable Nodes In Subdivided Graph

reachable-nodes-in-subdivided-graph

['Graph', 'Heap (Priority Queue)', 'Shortest Path']

true

false

73.864647

Easy

883

false

Projection Area of 3D Shapes

projection-area-of-3d-shapes

['Array', 'Math', 'Geometry', 'Matrix']

true

false

75.291569

Easy

884

false

Uncommon Words from Two Sentences

uncommon-words-from-two-sentences

['Hash Table', 'String', 'Counting']

true

false

84.464132

Medium

885

false

Spiral Matrix III

spiral-matrix-iii

['Array', 'Matrix', 'Simulation']

true

false

51.272686

Medium

886

false

Possible Bipartition

possible-bipartition

['Depth-First Search', 'Breadth-First Search', 'Union Find', 'Graph']

true

false

28.491824

Hard

887

false

Super Egg Drop

super-egg-drop

['Math', 'Binary Search', 'Dynamic Programming']

true

false

63.007515

Easy

888

false

Fair Candy Swap

fair-candy-swap

['Array', 'Hash Table', 'Binary Search', 'Sorting']

true

false

77.947375

Medium

889

false

Construct Binary Tree from Preorder and Postorder Traversal

construct-binary-tree-from-preorder-and-postorder-traversal

['Array', 'Hash Table', 'Divide and Conquer', 'Tree', 'Binary Tree']

true

false

76.810282

Medium

890

false

Find and Replace Pattern

find-and-replace-pattern

['Array', 'Hash Table', 'String']

true

false

38.699791

Hard

891

false

Sum of Subsequence Widths

sum-of-subsequence-widths

['Array', 'Math', 'Sorting']

true

false

67.698078

Easy

892

false

Surface Area of 3D Shapes

surface-area-of-3d-shapes

['Array', 'Math', 'Geometry', 'Matrix']

true

false

72.622993

Medium

893

false

Groups of Special-Equivalent Strings

groups-of-special-equivalent-strings

['Array', 'Hash Table', 'String', 'Sorting']

true

false

82.706428

Medium

894

false

All Possible Full Binary Trees

all-possible-full-binary-trees

['Dynamic Programming', 'Tree', 'Recursion', 'Memoization', 'Binary Tree']

true

false

66.742113

Hard

895

false

Maximum Frequency Stack

maximum-frequency-stack

['Hash Table', 'Stack', 'Design', 'Ordered Set']

true

false

61.570428

Easy

896

false

Monotonic Array

monotonic-array

['Array']

true

false

78.578632

Easy

897

false

Increasing Order Search Tree

increasing-order-search-tree

['Stack', 'Tree', 'Depth-First Search', 'Binary Search Tree', 'Binary Tree']

true

false

40.427087

Medium

898

false

Bitwise ORs of Subarrays

bitwise-ors-of-subarrays

['Array', 'Dynamic Programming', 'Bit Manipulation']

true

false

66.125312

Hard

899

false

Orderly Queue

orderly-queue

['Math', 'String', 'Sorting']

true

false

59.761243

Medium

900

false

RLE Iterator

rle-iterator

['Array', 'Design', 'Counting', 'Iterator']

true

false