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
48.619262	Medium	1,401	false	false	Circle and Rectangle Overlapping	circle-and-rectangle-overlapping	['Math', 'Geometry']	false	false
76.273328	Hard	1,402	false	false	Reducing Dishes	reducing-dishes	['Array', 'Dynamic Programming', 'Greedy', 'Sorting']	true	false
72.800115	Easy	1,403	false	false	Minimum Subsequence in Non-Increasing Order	minimum-subsequence-in-non-increasing-order	['Array', 'Greedy', 'Sorting']	false	false
61.390111	Medium	1,404	false	false	Number of Steps to Reduce a Number in Binary Representation to One	number-of-steps-to-reduce-a-number-in-binary-representation-to-one	['String', 'Bit Manipulation']	true	false
65.466169	Medium	1,405	false	false	Longest Happy String	longest-happy-string	['String', 'Greedy', 'Heap (Priority Queue)']	true	false
63.215464	Hard	1,406	false	false	Stone Game III	stone-game-iii	['Array', 'Math', 'Dynamic Programming', 'Game Theory']	true	false
57.140339	Easy	1,407	false	false	Top Travellers	top-travellers	['Database']	true	false
69.847868	Easy	1,408	false	false	String Matching in an Array	string-matching-in-an-array	['Array', 'String', 'String Matching']	true	false
84.461196	Medium	1,409	false	false	Queries on a Permutation With Key	queries-on-a-permutation-with-key	['Array', 'Binary Indexed Tree', 'Simulation']	false	false
50.232062	Medium	1,410	false	false	HTML Entity Parser	html-entity-parser	['Hash Table', 'String']	false	false
64.182783	Hard	1,411	false	false	Number of Ways to Paint N × 3 Grid	number-of-ways-to-paint-n-3-grid	['Dynamic Programming']	false	false
58.560456	Hard	1,412	false	true	Find the Quiet Students in All Exams	find-the-quiet-students-in-all-exams	['Database']	false	false
64.836115	Easy	1,413	false	false	Minimum Value to Get Positive Step by Step Sum	minimum-value-to-get-positive-step-by-step-sum	['Array', 'Prefix Sum']	true	false
64.232648	Medium	1,414	false	false	Find the Minimum Number of Fibonacci Numbers Whose Sum Is K	find-the-minimum-number-of-fibonacci-numbers-whose-sum-is-k	['Math', 'Greedy']	false	false
85.082685	Medium	1,415	false	false	The k-th Lexicographical String of All Happy Strings of Length n	the-k-th-lexicographical-string-of-all-happy-strings-of-length-n	['String', 'Backtracking']	true	false
46.993161	Hard	1,416	false	false	Restore The Array	restore-the-array	['String', 'Dynamic Programming']	true	false
52.017297	Easy	1,417	false	false	Reformat The String	reformat-the-string	['String']	false	false
75.513356	Medium	1,418	false	false	Display Table of Food Orders in a Restaurant	display-table-of-food-orders-in-a-restaurant	['Array', 'Hash Table', 'String', 'Sorting', 'Ordered Set']	false	false
50.666631	Medium	1,419	false	false	Minimum Number of Frogs Croaking	minimum-number-of-frogs-croaking	['String', 'Counting']	false	false
66.988287	Hard	1,420	false	false	Build Array Where You Can Find The Maximum Exactly K Comparisons	build-array-where-you-can-find-the-maximum-exactly-k-comparisons	['Dynamic Programming', 'Prefix Sum']	true	false
82.980775	Easy	1,421	false	true	NPV Queries	npv-queries	['Database']	true	false
65.161585	Easy	1,422	false	false	Maximum Score After Splitting a String	maximum-score-after-splitting-a-string	['String', 'Prefix Sum']	true	false
55.099015	Medium	1,423	false	false	Maximum Points You Can Obtain from Cards	maximum-points-you-can-obtain-from-cards	['Array', 'Sliding Window', 'Prefix Sum']	true	false
57.81909	Medium	1,424	false	false	Diagonal Traverse II	diagonal-traverse-ii	['Array', 'Sorting', 'Heap (Priority Queue)']	true	false
56.401872	Hard	1,425	false	false	Constrained Subsequence Sum	constrained-subsequence-sum	['Array', 'Dynamic Programming', 'Queue', 'Sliding Window', 'Heap (Priority Queue)', 'Monotonic Queue']	true	false
60.403096	Easy	1,426	false	true	Counting Elements	counting-elements	['Array', 'Hash Table']	true	false
55.795026	Easy	1,427	false	true	Perform String Shifts	perform-string-shifts	['Array', 'Math', 'String']	true	false
54.887634	Medium	1,428	false	true	Leftmost Column with at Least a One	leftmost-column-with-at-least-a-one	['Array', 'Binary Search', 'Matrix', 'Interactive']	true	false
55.149975	Medium	1,429	false	true	First Unique Number	first-unique-number	['Array', 'Hash Table', 'Design', 'Queue', 'Data Stream']	true	false
47.229946	Medium	1,430	false	true	Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree	check-if-a-string-is-a-valid-sequence-from-root-to-leaves-path-in-a-binary-tree	['Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Tree']	false	false
88.057287	Easy	1,431	false	false	Kids With the Greatest Number of Candies	kids-with-the-greatest-number-of-candies	['Array']	true	false
40.250015	Medium	1,432	false	false	Max Difference You Can Get From Changing an Integer	max-difference-you-can-get-from-changing-an-integer	['Math', 'Greedy']	false	false
70.120225	Medium	1,433	false	false	Check If a String Can Break Another String	check-if-a-string-can-break-another-string	['String', 'Greedy', 'Sorting']	false	false
44.172076	Hard	1,434	false	false	Number of Ways to Wear Different Hats to Each Other	number-of-ways-to-wear-different-hats-to-each-other	['Array', 'Dynamic Programming', 'Bit Manipulation', 'Bitmask']	true	false
75.003728	Easy	1,435	false	true	Create a Session Bar Chart	create-a-session-bar-chart	['Database']	false	false
79.428151	Easy	1,436	false	false	Destination City	destination-city	['Array', 'Hash Table', 'String']	true	false
58.015737	Easy	1,437	false	false	Check If All 1's Are at Least Length K Places Away	check-if-all-1s-are-at-least-length-k-places-away	['Array']	true	false
56.617459	Medium	1,438	false	false	Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit	longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit	['Array', 'Queue', 'Sliding Window', 'Heap (Priority Queue)', 'Ordered Set', 'Monotonic Queue']	true	false
61.874473	Hard	1,439	false	false	Find the Kth Smallest Sum of a Matrix With Sorted Rows	find-the-kth-smallest-sum-of-a-matrix-with-sorted-rows	['Array', 'Binary Search', 'Heap (Priority Queue)', 'Matrix']	false	false
72.280753	Medium	1,440	false	true	Evaluate Boolean Expression	evaluate-boolean-expression	['Database']	false	false
80.10155	Medium	1,441	false	false	Build an Array With Stack Operations	build-an-array-with-stack-operations	['Array', 'Stack', 'Simulation']	true	false
84.796196	Medium	1,442	false	false	Count Triplets That Can Form Two Arrays of Equal XOR	count-triplets-that-can-form-two-arrays-of-equal-xor	['Array', 'Hash Table', 'Math', 'Bit Manipulation', 'Prefix Sum']	true	false
62.812209	Medium	1,443	false	false	Minimum Time to Collect All Apples in a Tree	minimum-time-to-collect-all-apples-in-a-tree	['Hash Table', 'Tree', 'Depth-First Search', 'Breadth-First Search']	true	false
61.650589	Hard	1,444	false	false	Number of Ways of Cutting a Pizza	number-of-ways-of-cutting-a-pizza	['Array', 'Dynamic Programming', 'Memoization', 'Matrix', 'Prefix Sum']	true	false
86.067692	Medium	1,445	false	true	Apples & Oranges	apples-oranges	['Database']	true	false
60.071807	Easy	1,446	false	false	Consecutive Characters	consecutive-characters	['String']	true	false
68.00653	Medium	1,447	false	false	Simplified Fractions	simplified-fractions	['Math', 'String', 'Number Theory']	false	false
73.360372	Medium	1,448	false	false	Count Good Nodes in Binary Tree	count-good-nodes-in-binary-tree	['Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Tree']	true	true
48.503064	Hard	1,449	false	false	Form Largest Integer With Digits That Add up to Target	form-largest-integer-with-digits-that-add-up-to-target	['Array', 'Dynamic Programming']	false	false
75.636861	Easy	1,450	false	false	Number of Students Doing Homework at a Given Time	number-of-students-doing-homework-at-a-given-time	['Array']	false	false
65.605023	Medium	1,451	false	false	Rearrange Words in a Sentence	rearrange-words-in-a-sentence	['String', 'Sorting']	false	false
58.981865	Medium	1,452	false	false	People Whose List of Favorite Companies Is Not a Subset of Another List	people-whose-list-of-favorite-companies-is-not-a-subset-of-another-list	['Array', 'Hash Table', 'String']	false	false
37.725812	Hard	1,453	false	false	Maximum Number of Darts Inside of a Circular Dartboard	maximum-number-of-darts-inside-of-a-circular-dartboard	['Array', 'Math', 'Geometry']	false	false
36.634016	Medium	1,454	false	true	Active Users	active-users	['Database']	false	false
68.756621	Easy	1,455	false	false	Check If a Word Occurs As a Prefix of Any Word in a Sentence	check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence	['Two Pointers', 'String', 'String Matching']	true	false
60.032415	Medium	1,456	false	false	Maximum Number of Vowels in a Substring of Given Length	maximum-number-of-vowels-in-a-substring-of-given-length	['String', 'Sliding Window']	true	false
68.313224	Medium	1,457	false	false	Pseudo-Palindromic Paths in a Binary Tree	pseudo-palindromic-paths-in-a-binary-tree	['Bit Manipulation', 'Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Tree']	true	false
62.311431	Hard	1,458	false	false	Max Dot Product of Two Subsequences	max-dot-product-of-two-subsequences	['Array', 'Dynamic Programming']	true	false
68.655733	Medium	1,459	false	true	Rectangles Area	rectangles-area	['Database']	false	false
75.80978	Easy	1,460	false	false	Make Two Arrays Equal by Reversing Subarrays	make-two-arrays-equal-by-reversing-subarrays	['Array', 'Hash Table', 'Sorting']	true	false
56.569357	Medium	1,461	false	false	Check If a String Contains All Binary Codes of Size K	check-if-a-string-contains-all-binary-codes-of-size-k	['Hash Table', 'String', 'Bit Manipulation', 'Rolling Hash', 'Hash Function']	true	false
59.550477	Medium	1,462	false	false	Course Schedule IV	course-schedule-iv	['Depth-First Search', 'Breadth-First Search', 'Graph', 'Topological Sort']	true	false
71.852635	Hard	1,463	false	false	Cherry Pickup II	cherry-pickup-ii	['Array', 'Dynamic Programming', 'Matrix']	true	false
83.125364	Easy	1,464	false	false	Maximum Product of Two Elements in an Array	maximum-product-of-two-elements-in-an-array	['Array', 'Sorting', 'Heap (Priority Queue)']	true	false
41.18014	Medium	1,465	false	false	Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts	maximum-area-of-a-piece-of-cake-after-horizontal-and-vertical-cuts	['Array', 'Greedy', 'Sorting']	true	false
64.79446	Medium	1,466	false	false	Reorder Routes to Make All Paths Lead to the City Zero	reorder-routes-to-make-all-paths-lead-to-the-city-zero	['Depth-First Search', 'Breadth-First Search', 'Graph']	true	false
59.922673	Hard	1,467	false	false	Probability of a Two Boxes Having The Same Number of Distinct Balls	probability-of-a-two-boxes-having-the-same-number-of-distinct-balls	['Array', 'Math', 'Dynamic Programming', 'Backtracking', 'Combinatorics', 'Probability and Statistics']	false	false
78.152306	Medium	1,468	false	true	Calculate Salaries	calculate-salaries	['Database']	false	false
83.964773	Easy	1,469	false	true	Find All The Lonely Nodes	find-all-the-lonely-nodes	['Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Tree']	true	false
88.799387	Easy	1,470	false	false	Shuffle the Array	shuffle-the-array	['Array']	true	false
61.729825	Medium	1,471	false	false	The k Strongest Values in an Array	the-k-strongest-values-in-an-array	['Array', 'Two Pointers', 'Sorting']	false	false
77.992247	Medium	1,472	false	false	Design Browser History	design-browser-history	['Array', 'Linked List', 'Stack', 'Design', 'Doubly-Linked List', 'Data Stream']	true	false
60.974253	Hard	1,473	false	false	Paint House III	paint-house-iii	['Array', 'Dynamic Programming']	true	false
73.489219	Easy	1,474	false	true	Delete N Nodes After M Nodes of a Linked List	delete-n-nodes-after-m-nodes-of-a-linked-list	['Linked List']	true	false
83.191933	Easy	1,475	false	false	Final Prices With a Special Discount in a Shop	final-prices-with-a-special-discount-in-a-shop	['Array', 'Stack', 'Monotonic Stack']	true	false
88.313785	Medium	1,476	false	false	Subrectangle Queries	subrectangle-queries	['Array', 'Design', 'Matrix']	false	false
36.440413	Medium	1,477	false	false	Find Two Non-overlapping Sub-arrays Each With Target Sum	find-two-non-overlapping-sub-arrays-each-with-target-sum	['Array', 'Hash Table', 'Binary Search', 'Dynamic Programming', 'Sliding Window']	false	false
55.688032	Hard	1,478	false	false	Allocate Mailboxes	allocate-mailboxes	['Array', 'Math', 'Dynamic Programming', 'Sorting']	false	false
77.326545	Hard	1,479	false	true	Sales by Day of the Week	sales-by-day-of-the-week	['Database']	true	false
86.957094	Easy	1,480	false	false	Running Sum of 1d Array	running-sum-of-1d-array	['Array', 'Prefix Sum']	true	true
63.315193	Medium	1,481	false	false	Least Number of Unique Integers after K Removals	least-number-of-unique-integers-after-k-removals	['Array', 'Hash Table', 'Greedy', 'Sorting', 'Counting']	true	false
55.316031	Medium	1,482	false	false	Minimum Number of Days to Make m Bouquets	minimum-number-of-days-to-make-m-bouquets	['Array', 'Binary Search']	true	false
35.4597	Hard	1,483	false	false	Kth Ancestor of a Tree Node	kth-ancestor-of-a-tree-node	['Binary Search', 'Dynamic Programming', 'Tree', 'Depth-First Search', 'Breadth-First Search', 'Design']	false	false
77.610922	Easy	1,484	false	false	Group Sold Products By The Date	group-sold-products-by-the-date	['Database']	true	false
80.827135	Medium	1,485	false	true	Clone Binary Tree With Random Pointer	clone-binary-tree-with-random-pointer	['Hash Table', 'Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Tree']	true	false
86.69244	Easy	1,486	false	false	XOR Operation in an Array	xor-operation-in-an-array	['Math', 'Bit Manipulation']	false	false
37.727804	Medium	1,487	false	false	Making File Names Unique	making-file-names-unique	['Array', 'Hash Table', 'String']	false	false
27.251067	Medium	1,488	false	false	Avoid Flood in The City	avoid-flood-in-the-city	['Array', 'Hash Table', 'Binary Search', 'Greedy', 'Heap (Priority Queue)']	false	false
66.486422	Hard	1,489	false	false	Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree	find-critical-and-pseudo-critical-edges-in-minimum-spanning-tree	['Union Find', 'Graph', 'Sorting', 'Minimum Spanning Tree', 'Strongly Connected Component']	true	false
83.167905	Medium	1,490	false	true	Clone N-ary Tree	clone-n-ary-tree	['Hash Table', 'Tree', 'Depth-First Search', 'Breadth-First Search']	true	false
63.442072	Easy	1,491	false	false	Average Salary Excluding the Minimum and Maximum Salary	average-salary-excluding-the-minimum-and-maximum-salary	['Array', 'Sorting']	true	false
69.396742	Medium	1,492	false	false	The kth Factor of n	the-kth-factor-of-n	['Math', 'Number Theory']	false	false
68.932777	Medium	1,493	false	false	Longest Subarray of 1's After Deleting One Element	longest-subarray-of-1s-after-deleting-one-element	['Array', 'Dynamic Programming', 'Sliding Window']	true	false
29.46725	Hard	1,494	false	false	Parallel Courses II	parallel-courses-ii	['Dynamic Programming', 'Bit Manipulation', 'Graph', 'Bitmask']	false	false
48.96633	Easy	1,495	false	true	Friendly Movies Streamed Last Month	friendly-movies-streamed-last-month	['Database']	true	false
62.519439	Easy	1,496	false	false	Path Crossing	path-crossing	['Hash Table', 'String']	true	false
46.202739	Medium	1,497	false	false	Check If Array Pairs Are Divisible by k	check-if-array-pairs-are-divisible-by-k	['Array', 'Hash Table', 'Counting']	true	false
43.788617	Medium	1,498	false	false	Number of Subsequences That Satisfy the Given Sum Condition	number-of-subsequences-that-satisfy-the-given-sum-condition	['Array', 'Two Pointers', 'Binary Search', 'Sorting']	true	false
44.431635	Hard	1,499	false	false	Max Value of Equation	max-value-of-equation	['Array', 'Queue', 'Sliding Window', 'Heap (Priority Queue)', 'Monotonic Queue']	false	false
41.66867	Medium	1,500	false	true	Design a File Sharing System	design-a-file-sharing-system	['Hash Table', 'Design', 'Sorting', 'Heap (Priority Queue)', 'Data Stream']	false	false

48.619262

Medium

1,401

false

Circle and Rectangle Overlapping

circle-and-rectangle-overlapping

['Math', 'Geometry']

false

76.273328

Hard

1,402

false

Reducing Dishes

reducing-dishes

['Array', 'Dynamic Programming', 'Greedy', 'Sorting']

true

false

72.800115

Easy

1,403

false

Minimum Subsequence in Non-Increasing Order

minimum-subsequence-in-non-increasing-order

['Array', 'Greedy', 'Sorting']

false

61.390111

Medium

1,404

false

Number of Steps to Reduce a Number in Binary Representation to One

number-of-steps-to-reduce-a-number-in-binary-representation-to-one

['String', 'Bit Manipulation']

true

false

65.466169

Medium

1,405

false

Longest Happy String

longest-happy-string

['String', 'Greedy', 'Heap (Priority Queue)']

true

false

63.215464

Hard

1,406

false

Stone Game III

stone-game-iii

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

true

false

57.140339

Easy

1,407

false

Top Travellers

top-travellers

['Database']

true

false

69.847868

Easy

1,408

false

String Matching in an Array

string-matching-in-an-array

['Array', 'String', 'String Matching']

true

false

84.461196

Medium

1,409

false

Queries on a Permutation With Key

queries-on-a-permutation-with-key

['Array', 'Binary Indexed Tree', 'Simulation']

false

50.232062

Medium

1,410

false

HTML Entity Parser

html-entity-parser

['Hash Table', 'String']

false

64.182783

Hard

1,411

false

Number of Ways to Paint N × 3 Grid

number-of-ways-to-paint-n-3-grid

['Dynamic Programming']

false

58.560456

Hard

1,412

false

true

Find the Quiet Students in All Exams

find-the-quiet-students-in-all-exams

['Database']

false

64.836115

Easy

1,413

false

Minimum Value to Get Positive Step by Step Sum

minimum-value-to-get-positive-step-by-step-sum

['Array', 'Prefix Sum']

true

false

64.232648

Medium

1,414

false

Find the Minimum Number of Fibonacci Numbers Whose Sum Is K

find-the-minimum-number-of-fibonacci-numbers-whose-sum-is-k

['Math', 'Greedy']

false

85.082685

Medium

1,415

false

The k-th Lexicographical String of All Happy Strings of Length n

the-k-th-lexicographical-string-of-all-happy-strings-of-length-n

['String', 'Backtracking']

true

false

46.993161

Hard

1,416

false

Restore The Array

restore-the-array

['String', 'Dynamic Programming']

true

false

52.017297

Easy

1,417

false

Reformat The String

reformat-the-string

['String']

false

75.513356

Medium

1,418

false

Display Table of Food Orders in a Restaurant

display-table-of-food-orders-in-a-restaurant

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

false

50.666631

Medium

1,419

false

Minimum Number of Frogs Croaking

minimum-number-of-frogs-croaking

['String', 'Counting']

false

66.988287

Hard

1,420

false

Build Array Where You Can Find The Maximum Exactly K Comparisons

build-array-where-you-can-find-the-maximum-exactly-k-comparisons

['Dynamic Programming', 'Prefix Sum']

true

false

82.980775

Easy

1,421

false

true

NPV Queries

npv-queries

['Database']

true

false

65.161585

Easy

1,422

false

Maximum Score After Splitting a String

maximum-score-after-splitting-a-string

['String', 'Prefix Sum']

true

false

55.099015

Medium

1,423

false

Maximum Points You Can Obtain from Cards

maximum-points-you-can-obtain-from-cards

['Array', 'Sliding Window', 'Prefix Sum']

true

false

57.81909

Medium

1,424

false

Diagonal Traverse II

diagonal-traverse-ii

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

true

false

56.401872

Hard

1,425

false

Constrained Subsequence Sum

constrained-subsequence-sum

['Array', 'Dynamic Programming', 'Queue', 'Sliding Window', 'Heap (Priority Queue)', 'Monotonic Queue']

true

false

60.403096

Easy

1,426

false

true

Counting Elements

counting-elements

['Array', 'Hash Table']

true

false

55.795026

Easy

1,427

false

true

Perform String Shifts

perform-string-shifts

['Array', 'Math', 'String']

true

false

54.887634

Medium

1,428

false

true

Leftmost Column with at Least a One

leftmost-column-with-at-least-a-one

['Array', 'Binary Search', 'Matrix', 'Interactive']

true

false

55.149975

Medium

1,429

false

true

First Unique Number

first-unique-number

['Array', 'Hash Table', 'Design', 'Queue', 'Data Stream']

true

false

47.229946

Medium

1,430

false

true

Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree

check-if-a-string-is-a-valid-sequence-from-root-to-leaves-path-in-a-binary-tree

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

false

88.057287

Easy

1,431

false

Kids With the Greatest Number of Candies

kids-with-the-greatest-number-of-candies

['Array']

true

false

40.250015

Medium

1,432

false

Max Difference You Can Get From Changing an Integer

max-difference-you-can-get-from-changing-an-integer

['Math', 'Greedy']

false

70.120225

Medium

1,433

false

Check If a String Can Break Another String

check-if-a-string-can-break-another-string

['String', 'Greedy', 'Sorting']

false

44.172076

Hard

1,434

false

Number of Ways to Wear Different Hats to Each Other

number-of-ways-to-wear-different-hats-to-each-other

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

true

false

75.003728

Easy

1,435

false

true

Create a Session Bar Chart

create-a-session-bar-chart

['Database']

false

79.428151

Easy

1,436

false

Destination City

destination-city

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

true

false

58.015737

Easy

1,437

false

Check If All 1's Are at Least Length K Places Away

check-if-all-1s-are-at-least-length-k-places-away

['Array']

true

false

56.617459

Medium

1,438

false

Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit

longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit

['Array', 'Queue', 'Sliding Window', 'Heap (Priority Queue)', 'Ordered Set', 'Monotonic Queue']

true

false

61.874473

Hard

1,439

false

Find the Kth Smallest Sum of a Matrix With Sorted Rows

find-the-kth-smallest-sum-of-a-matrix-with-sorted-rows

['Array', 'Binary Search', 'Heap (Priority Queue)', 'Matrix']

false

72.280753

Medium

1,440

false

true

Evaluate Boolean Expression

evaluate-boolean-expression

['Database']

false

80.10155

Medium

1,441

false

Build an Array With Stack Operations

build-an-array-with-stack-operations

['Array', 'Stack', 'Simulation']

true

false

84.796196

Medium

1,442

false

Count Triplets That Can Form Two Arrays of Equal XOR

count-triplets-that-can-form-two-arrays-of-equal-xor

['Array', 'Hash Table', 'Math', 'Bit Manipulation', 'Prefix Sum']

true

false

62.812209

Medium

1,443

false

Minimum Time to Collect All Apples in a Tree

minimum-time-to-collect-all-apples-in-a-tree

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

true

false

61.650589

Hard

1,444

false

Number of Ways of Cutting a Pizza

number-of-ways-of-cutting-a-pizza

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

true

false

86.067692

Medium

1,445

false

true

Apples & Oranges

apples-oranges

['Database']

true

false

60.071807

Easy

1,446

false

Consecutive Characters

consecutive-characters

['String']

true

false

68.00653

Medium

1,447

false

Simplified Fractions

simplified-fractions

['Math', 'String', 'Number Theory']

false

73.360372

Medium

1,448

false

Count Good Nodes in Binary Tree

count-good-nodes-in-binary-tree

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

true

48.503064

Hard

1,449

false

Form Largest Integer With Digits That Add up to Target

form-largest-integer-with-digits-that-add-up-to-target

['Array', 'Dynamic Programming']

false

75.636861

Easy

1,450

false

Number of Students Doing Homework at a Given Time

number-of-students-doing-homework-at-a-given-time

['Array']

false

65.605023

Medium

1,451

false

Rearrange Words in a Sentence

rearrange-words-in-a-sentence

['String', 'Sorting']

false

58.981865

Medium

1,452

false

People Whose List of Favorite Companies Is Not a Subset of Another List

people-whose-list-of-favorite-companies-is-not-a-subset-of-another-list

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

false

37.725812

Hard

1,453

false

Maximum Number of Darts Inside of a Circular Dartboard

maximum-number-of-darts-inside-of-a-circular-dartboard

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

false

36.634016

Medium

1,454

false

true

Active Users

active-users

['Database']

false

68.756621

Easy

1,455

false

Check If a Word Occurs As a Prefix of Any Word in a Sentence

check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence

['Two Pointers', 'String', 'String Matching']

true

false

60.032415

Medium

1,456

false

Maximum Number of Vowels in a Substring of Given Length

maximum-number-of-vowels-in-a-substring-of-given-length

['String', 'Sliding Window']

true

false

68.313224

Medium

1,457

false

Pseudo-Palindromic Paths in a Binary Tree

pseudo-palindromic-paths-in-a-binary-tree

['Bit Manipulation', 'Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Tree']

true

false

62.311431

Hard

1,458

false

Max Dot Product of Two Subsequences

max-dot-product-of-two-subsequences

['Array', 'Dynamic Programming']

true

false

68.655733

Medium

1,459

false

true

Rectangles Area

rectangles-area

['Database']

false

75.80978

Easy

1,460

false

Make Two Arrays Equal by Reversing Subarrays

make-two-arrays-equal-by-reversing-subarrays

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

true

false

56.569357

Medium

1,461

false

Check If a String Contains All Binary Codes of Size K

check-if-a-string-contains-all-binary-codes-of-size-k

['Hash Table', 'String', 'Bit Manipulation', 'Rolling Hash', 'Hash Function']

true

false

59.550477

Medium

1,462

false

Course Schedule IV

course-schedule-iv

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

true

false

71.852635

Hard

1,463

false

Cherry Pickup II

cherry-pickup-ii

['Array', 'Dynamic Programming', 'Matrix']

true

false

83.125364

Easy

1,464

false

Maximum Product of Two Elements in an Array

maximum-product-of-two-elements-in-an-array

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

true

false

41.18014

Medium

1,465

false

Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts

maximum-area-of-a-piece-of-cake-after-horizontal-and-vertical-cuts

['Array', 'Greedy', 'Sorting']

true

false

64.79446

Medium

1,466

false

Reorder Routes to Make All Paths Lead to the City Zero

reorder-routes-to-make-all-paths-lead-to-the-city-zero

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

true

false

59.922673

Hard

1,467

false

Probability of a Two Boxes Having The Same Number of Distinct Balls

probability-of-a-two-boxes-having-the-same-number-of-distinct-balls

['Array', 'Math', 'Dynamic Programming', 'Backtracking', 'Combinatorics', 'Probability and Statistics']

false

78.152306

Medium

1,468

false

true

Calculate Salaries

calculate-salaries

['Database']

false

83.964773

Easy

1,469

false

true

Find All The Lonely Nodes

find-all-the-lonely-nodes

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

true

false

88.799387

Easy

1,470

false

Shuffle the Array

shuffle-the-array

['Array']

true

false

61.729825

Medium

1,471

false

The k Strongest Values in an Array

the-k-strongest-values-in-an-array

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

false

77.992247

Medium

1,472

false

Design Browser History

design-browser-history

['Array', 'Linked List', 'Stack', 'Design', 'Doubly-Linked List', 'Data Stream']

true

false

60.974253

Hard

1,473

false

Paint House III

paint-house-iii

['Array', 'Dynamic Programming']

true

false

73.489219

Easy

1,474

false

true

Delete N Nodes After M Nodes of a Linked List

delete-n-nodes-after-m-nodes-of-a-linked-list

['Linked List']

true

false

83.191933

Easy

1,475

false

Final Prices With a Special Discount in a Shop

final-prices-with-a-special-discount-in-a-shop

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

true

false

88.313785

Medium

1,476

false

Subrectangle Queries

subrectangle-queries

['Array', 'Design', 'Matrix']

false

36.440413

Medium

1,477

false

Find Two Non-overlapping Sub-arrays Each With Target Sum

find-two-non-overlapping-sub-arrays-each-with-target-sum

['Array', 'Hash Table', 'Binary Search', 'Dynamic Programming', 'Sliding Window']

false

55.688032

Hard

1,478

false

Allocate Mailboxes

allocate-mailboxes

['Array', 'Math', 'Dynamic Programming', 'Sorting']

false

77.326545

Hard

1,479

false

true

Sales by Day of the Week

sales-by-day-of-the-week

['Database']

true

false

86.957094

Easy

1,480

false

Running Sum of 1d Array

running-sum-of-1d-array

['Array', 'Prefix Sum']

true

63.315193

Medium

1,481

false

Least Number of Unique Integers after K Removals

least-number-of-unique-integers-after-k-removals

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

true

false

55.316031

Medium

1,482

false

Minimum Number of Days to Make m Bouquets

minimum-number-of-days-to-make-m-bouquets

['Array', 'Binary Search']

true

false

35.4597

Hard

1,483

false

Kth Ancestor of a Tree Node

kth-ancestor-of-a-tree-node

['Binary Search', 'Dynamic Programming', 'Tree', 'Depth-First Search', 'Breadth-First Search', 'Design']

false

77.610922

Easy

1,484

false

Group Sold Products By The Date

group-sold-products-by-the-date

['Database']

true

false

80.827135

Medium

1,485

false

true

Clone Binary Tree With Random Pointer

clone-binary-tree-with-random-pointer

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

true

false

86.69244

Easy

1,486

false

XOR Operation in an Array

xor-operation-in-an-array

['Math', 'Bit Manipulation']

false

37.727804

Medium

1,487

false

Making File Names Unique

making-file-names-unique

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

false

27.251067

Medium

1,488

false

Avoid Flood in The City

avoid-flood-in-the-city

['Array', 'Hash Table', 'Binary Search', 'Greedy', 'Heap (Priority Queue)']

false

66.486422

Hard

1,489

false

Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree

find-critical-and-pseudo-critical-edges-in-minimum-spanning-tree

['Union Find', 'Graph', 'Sorting', 'Minimum Spanning Tree', 'Strongly Connected Component']

true

false

83.167905

Medium

1,490

false

true

Clone N-ary Tree

clone-n-ary-tree

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

true

false

63.442072

Easy

1,491

false

Average Salary Excluding the Minimum and Maximum Salary

average-salary-excluding-the-minimum-and-maximum-salary

['Array', 'Sorting']

true

false

69.396742

Medium

1,492

false

The kth Factor of n

the-kth-factor-of-n

['Math', 'Number Theory']

false

68.932777

Medium

1,493

false

Longest Subarray of 1's After Deleting One Element

longest-subarray-of-1s-after-deleting-one-element

['Array', 'Dynamic Programming', 'Sliding Window']

true

false

29.46725

Hard

1,494

false

Parallel Courses II

parallel-courses-ii

['Dynamic Programming', 'Bit Manipulation', 'Graph', 'Bitmask']

false

48.96633

Easy

1,495

false

true

Friendly Movies Streamed Last Month

friendly-movies-streamed-last-month

['Database']

true

false

62.519439

Easy

1,496

false

Path Crossing

path-crossing

['Hash Table', 'String']

true

false

46.202739

Medium

1,497

false

Check If Array Pairs Are Divisible by k

check-if-array-pairs-are-divisible-by-k

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

true

false

43.788617

Medium

1,498

false

Number of Subsequences That Satisfy the Given Sum Condition

number-of-subsequences-that-satisfy-the-given-sum-condition

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

true

false

44.431635

Hard

1,499

false

Max Value of Equation

max-value-of-equation

['Array', 'Queue', 'Sliding Window', 'Heap (Priority Queue)', 'Monotonic Queue']

false

41.66867

Medium

1,500

false

true

Design a File Sharing System

design-a-file-sharing-system

['Hash Table', 'Design', 'Sorting', 'Heap (Priority Queue)', 'Data Stream']

false