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
40.750588	Hard	1,301	false	false	Number of Paths with Max Score	number-of-paths-with-max-score	['Array', 'Dynamic Programming', 'Matrix']	false	false
86.27408	Medium	1,302	false	false	Deepest Leaves Sum	deepest-leaves-sum	['Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Tree']	true	false
89.660481	Easy	1,303	false	true	Find the Team Size	find-the-team-size	['Database']	false	false
76.147471	Easy	1,304	false	false	Find N Unique Integers Sum up to Zero	find-n-unique-integers-sum-up-to-zero	['Array', 'Math']	false	false
79.975653	Medium	1,305	false	false	All Elements in Two Binary Search Trees	all-elements-in-two-binary-search-trees	['Tree', 'Depth-First Search', 'Binary Search Tree', 'Sorting', 'Binary Tree']	true	false
65.850651	Medium	1,306	false	false	Jump Game III	jump-game-iii	['Array', 'Depth-First Search', 'Breadth-First Search']	true	true
34.701691	Hard	1,307	false	false	Verbal Arithmetic Puzzle	verbal-arithmetic-puzzle	['Array', 'Math', 'String', 'Backtracking']	false	false
86.385299	Medium	1,308	false	true	Running Total for Different Genders	running-total-for-different-genders	['Database']	false	false
80.106939	Easy	1,309	false	false	Decrypt String from Alphabet to Integer Mapping	decrypt-string-from-alphabet-to-integer-mapping	['String']	false	false
78.443232	Medium	1,310	false	false	XOR Queries of a Subarray	xor-queries-of-a-subarray	['Array', 'Bit Manipulation', 'Prefix Sum']	true	false
48.89991	Medium	1,311	false	false	Get Watched Videos by Your Friends	get-watched-videos-by-your-friends	['Array', 'Hash Table', 'Breadth-First Search', 'Graph', 'Sorting']	false	false
72.038556	Hard	1,312	false	false	Minimum Insertion Steps to Make a String Palindrome	minimum-insertion-steps-to-make-a-string-palindrome	['String', 'Dynamic Programming']	true	false
85.979264	Easy	1,313	false	false	Decompress Run-Length Encoded List	decompress-run-length-encoded-list	['Array']	false	false
75.82948	Medium	1,314	false	false	Matrix Block Sum	matrix-block-sum	['Array', 'Matrix', 'Prefix Sum']	false	false
85.659641	Medium	1,315	false	false	Sum of Nodes with Even-Valued Grandparent	sum-of-nodes-with-even-valued-grandparent	['Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Tree']	true	false
51.721375	Hard	1,316	false	false	Distinct Echo Substrings	distinct-echo-substrings	['String', 'Trie', 'Rolling Hash', 'Hash Function']	false	false
54.072359	Easy	1,317	false	false	Convert Integer to the Sum of Two No-Zero Integers	convert-integer-to-the-sum-of-two-no-zero-integers	['Math']	false	false
71.504709	Medium	1,318	false	false	Minimum Flips to Make a OR b Equal to c	minimum-flips-to-make-a-or-b-equal-to-c	['Bit Manipulation']	true	false
64.204802	Medium	1,319	false	false	Number of Operations to Make Network Connected	number-of-operations-to-make-network-connected	['Depth-First Search', 'Breadth-First Search', 'Union Find', 'Graph']	true	false
59.035487	Hard	1,320	false	false	Minimum Distance to Type a Word Using Two Fingers	minimum-distance-to-type-a-word-using-two-fingers	['String', 'Dynamic Programming']	false	false
55.99027	Medium	1,321	false	false	Restaurant Growth	restaurant-growth	['Database']	false	false
59.284108	Easy	1,322	false	true	Ads Performance	ads-performance	['Database']	true	false
82.524969	Easy	1,323	false	false	Maximum 69 Number	maximum-69-number	['Math', 'Greedy']	true	false
65.914365	Medium	1,324	false	false	Print Words Vertically	print-words-vertically	['Array', 'String', 'Simulation']	false	false
77.282761	Medium	1,325	false	false	Delete Leaves With a Given Value	delete-leaves-with-a-given-value	['Tree', 'Depth-First Search', 'Binary Tree']	true	false
50.703971	Hard	1,326	false	false	Minimum Number of Taps to Open to Water a Garden	minimum-number-of-taps-to-open-to-water-a-garden	['Array', 'Dynamic Programming', 'Greedy']	true	false
71.818974	Easy	1,327	false	false	List the Products Ordered in a Period	list-the-products-ordered-in-a-period	['Database']	false	false
51.518281	Medium	1,328	false	false	Break a Palindrome	break-a-palindrome	['String', 'Greedy']	true	false
82.940786	Medium	1,329	false	false	Sort the Matrix Diagonally	sort-the-matrix-diagonally	['Array', 'Sorting', 'Matrix']	true	true
42.240048	Hard	1,330	false	false	Reverse Subarray To Maximize Array Value	reverse-subarray-to-maximize-array-value	['Array', 'Math', 'Greedy']	false	false
70.622565	Easy	1,331	false	false	Rank Transform of an Array	rank-transform-of-an-array	['Array', 'Hash Table', 'Sorting']	true	false
76.579342	Easy	1,332	false	false	Remove Palindromic Subsequences	remove-palindromic-subsequences	['Two Pointers', 'String']	true	false
62.979327	Medium	1,333	false	false	Filter Restaurants by Vegan-Friendly, Price and Distance	filter-restaurants-by-vegan-friendly-price-and-distance	['Array', 'Sorting']	false	false
69.554919	Medium	1,334	false	false	Find the City With the Smallest Number of Neighbors at a Threshold Distance	find-the-city-with-the-smallest-number-of-neighbors-at-a-threshold-distance	['Dynamic Programming', 'Graph', 'Shortest Path']	true	false
59.633501	Hard	1,335	false	false	Minimum Difficulty of a Job Schedule	minimum-difficulty-of-a-job-schedule	['Array', 'Dynamic Programming']	true	false
48.061228	Hard	1,336	false	true	Number of Transactions per Visit	number-of-transactions-per-visit	['Database']	false	false
73.891506	Easy	1,337	false	false	The K Weakest Rows in a Matrix	the-k-weakest-rows-in-a-matrix	['Array', 'Binary Search', 'Sorting', 'Heap (Priority Queue)', 'Matrix']	true	false
69.065691	Medium	1,338	false	false	Reduce Array Size to The Half	reduce-array-size-to-the-half	['Array', 'Hash Table', 'Greedy', 'Sorting', 'Heap (Priority Queue)']	true	false
47.831255	Medium	1,339	false	false	Maximum Product of Splitted Binary Tree	maximum-product-of-splitted-binary-tree	['Tree', 'Depth-First Search', 'Binary Tree']	true	false
63.849407	Hard	1,340	false	false	Jump Game V	jump-game-v	['Array', 'Dynamic Programming', 'Sorting']	false	false
41.271228	Medium	1,341	false	false	Movie Rating	movie-rating	['Database']	false	false
85.557951	Easy	1,342	false	false	Number of Steps to Reduce a Number to Zero	number-of-steps-to-reduce-a-number-to-zero	['Math', 'Bit Manipulation']	true	true
69.9104	Medium	1,343	false	false	Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold	number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold	['Array', 'Sliding Window']	false	false
64.132737	Medium	1,344	false	false	Angle Between Hands of a Clock	angle-between-hands-of-a-clock	['Math']	true	false
46.065227	Hard	1,345	false	false	Jump Game IV	jump-game-iv	['Array', 'Hash Table', 'Breadth-First Search']	true	false
41.119871	Easy	1,346	false	false	Check If N and Its Double Exist	check-if-n-and-its-double-exist	['Array', 'Hash Table', 'Two Pointers', 'Binary Search', 'Sorting']	true	false
82.101903	Medium	1,347	false	false	Minimum Number of Steps to Make Two Strings Anagram	minimum-number-of-steps-to-make-two-strings-anagram	['Hash Table', 'String', 'Counting']	true	false
45.181593	Medium	1,348	false	false	Tweet Counts Per Frequency	tweet-counts-per-frequency	['Hash Table', 'Binary Search', 'Design', 'Sorting', 'Ordered Set']	false	false
51.903234	Hard	1,349	false	false	Maximum Students Taking Exam	maximum-students-taking-exam	['Array', 'Dynamic Programming', 'Bit Manipulation', 'Matrix', 'Bitmask']	false	false
89.895349	Easy	1,350	false	true	Students With Invalid Departments	students-with-invalid-departments	['Database']	false	false
77.619026	Easy	1,351	false	false	Count Negative Numbers in a Sorted Matrix	count-negative-numbers-in-a-sorted-matrix	['Array', 'Binary Search', 'Matrix']	true	false
62.867547	Medium	1,352	false	false	Product of the Last K Numbers	product-of-the-last-k-numbers	['Array', 'Math', 'Design', 'Data Stream', 'Prefix Sum']	true	false
32.814731	Medium	1,353	false	false	Maximum Number of Events That Can Be Attended	maximum-number-of-events-that-can-be-attended	['Array', 'Greedy', 'Sorting', 'Heap (Priority Queue)']	false	false
36.235371	Hard	1,354	false	false	Construct Target Array With Multiple Sums	construct-target-array-with-multiple-sums	['Array', 'Heap (Priority Queue)']	true	false
72.37542	Medium	1,355	false	true	Activity Participants	activity-participants	['Database']	true	false
78.594538	Easy	1,356	false	false	Sort Integers by The Number of 1 Bits	sort-integers-by-the-number-of-1-bits	['Array', 'Bit Manipulation', 'Sorting', 'Counting']	true	false
71.553019	Medium	1,357	false	false	Apply Discount Every n Orders	apply-discount-every-n-orders	['Array', 'Hash Table', 'Design']	false	false
72.963066	Medium	1,358	false	false	Number of Substrings Containing All Three Characters	number-of-substrings-containing-all-three-characters	['Hash Table', 'String', 'Sliding Window']	true	false
64.871171	Hard	1,359	false	false	Count All Valid Pickup and Delivery Options	count-all-valid-pickup-and-delivery-options	['Math', 'Dynamic Programming', 'Combinatorics']	true	false
51.102803	Easy	1,360	false	false	Number of Days Between Two Dates	number-of-days-between-two-dates	['Math', 'String']	false	false
43.85955	Medium	1,361	false	false	Validate Binary Tree Nodes	validate-binary-tree-nodes	['Tree', 'Depth-First Search', 'Breadth-First Search', 'Union Find', 'Graph', 'Binary Tree']	true	false
61.161677	Medium	1,362	false	false	Closest Divisors	closest-divisors	['Math']	false	false
32.6892	Hard	1,363	false	false	Largest Multiple of Three	largest-multiple-of-three	['Array', 'Math', 'Dynamic Programming', 'Greedy', 'Sorting']	false	false
75.221506	Medium	1,364	false	true	Number of Trusted Contacts of a Customer	number-of-trusted-contacts-of-a-customer	['Database']	true	false
87.066039	Easy	1,365	false	false	How Many Numbers Are Smaller Than the Current Number	how-many-numbers-are-smaller-than-the-current-number	['Array', 'Hash Table', 'Sorting', 'Counting Sort']	false	false
59.184624	Medium	1,366	false	false	Rank Teams by Votes	rank-teams-by-votes	['Array', 'Hash Table', 'String', 'Sorting', 'Counting']	false	false
51.945802	Medium	1,367	false	false	Linked List in Binary Tree	linked-list-in-binary-tree	['Linked List', 'Tree', 'Depth-First Search', 'Binary Tree']	true	false
70.682525	Hard	1,368	false	false	Minimum Cost to Make at Least One Valid Path in a Grid	minimum-cost-to-make-at-least-one-valid-path-in-a-grid	['Array', 'Breadth-First Search', 'Graph', 'Heap (Priority Queue)', 'Matrix', 'Shortest Path']	true	false
67.500495	Hard	1,369	false	true	Get the Second Most Recent Activity	get-the-second-most-recent-activity	['Database']	false	false
76.556317	Easy	1,370	false	false	Increasing Decreasing String	increasing-decreasing-string	['Hash Table', 'String', 'Counting']	false	false
75.79313	Medium	1,371	false	false	Find the Longest Substring Containing Vowels in Even Counts	find-the-longest-substring-containing-vowels-in-even-counts	['Hash Table', 'String', 'Bit Manipulation', 'Prefix Sum']	true	false
66.415056	Medium	1,372	false	false	Longest ZigZag Path in a Binary Tree	longest-zigzag-path-in-a-binary-tree	['Dynamic Programming', 'Tree', 'Depth-First Search', 'Binary Tree']	true	false
43.490298	Hard	1,373	false	false	Maximum Sum BST in Binary Tree	maximum-sum-bst-in-binary-tree	['Dynamic Programming', 'Tree', 'Depth-First Search', 'Binary Search Tree', 'Binary Tree']	false	false
77.969607	Easy	1,374	false	false	Generate a String With Characters That Have Odd Counts	generate-a-string-with-characters-that-have-odd-counts	['String']	false	false
65.678981	Medium	1,375	false	false	Number of Times Binary String Is Prefix-Aligned	number-of-times-binary-string-is-prefix-aligned	['Array']	false	false
60.176539	Medium	1,376	false	false	Time Needed to Inform All Employees	time-needed-to-inform-all-employees	['Tree', 'Depth-First Search', 'Breadth-First Search']	true	false
35.692124	Hard	1,377	false	false	Frog Position After T Seconds	frog-position-after-t-seconds	['Tree', 'Depth-First Search', 'Breadth-First Search', 'Graph']	false	false
83.608294	Easy	1,378	false	false	Replace Employee ID With The Unique Identifier	replace-employee-id-with-the-unique-identifier	['Database']	true	false
85.733417	Easy	1,379	false	false	Find a Corresponding Node of a Binary Tree in a Clone of That Tree	find-a-corresponding-node-of-a-binary-tree-in-a-clone-of-that-tree	['Tree', 'Depth-First Search', 'Breadth-First Search', 'Binary Tree']	true	false
79.880028	Easy	1,380	false	false	Lucky Numbers in a Matrix	lucky-numbers-in-a-matrix	['Array', 'Matrix']	true	false
80.451341	Medium	1,381	false	false	Design a Stack With Increment Operation	design-a-stack-with-increment-operation	['Array', 'Stack', 'Design']	true	false
84.627262	Medium	1,382	false	false	Balance a Binary Search Tree	balance-a-binary-search-tree	['Divide and Conquer', 'Greedy', 'Tree', 'Depth-First Search', 'Binary Search Tree', 'Binary Tree']	true	false
47.505865	Hard	1,383	false	false	Maximum Performance of a Team	maximum-performance-of-a-team	['Array', 'Greedy', 'Sorting', 'Heap (Priority Queue)']	true	false
61.439674	Hard	1,384	false	true	Total Sales Amount by Year	total-sales-amount-by-year	['Database']	false	false
69.91572	Easy	1,385	false	false	Find the Distance Value Between Two Arrays	find-the-distance-value-between-two-arrays	['Array', 'Two Pointers', 'Binary Search', 'Sorting']	false	false
42.550031	Medium	1,386	false	false	Cinema Seat Allocation	cinema-seat-allocation	['Array', 'Hash Table', 'Greedy', 'Bit Manipulation']	false	false
70.634509	Medium	1,387	false	false	Sort Integers by The Power Value	sort-integers-by-the-power-value	['Dynamic Programming', 'Memoization', 'Sorting']	false	false
52.695347	Hard	1,388	false	false	Pizza With 3n Slices	pizza-with-3n-slices	['Array', 'Dynamic Programming', 'Greedy', 'Heap (Priority Queue)']	false	false
86.176214	Easy	1,389	false	false	Create Target Array in the Given Order	create-target-array-in-the-given-order	['Array', 'Simulation']	false	false
44.502941	Medium	1,390	false	false	Four Divisors	four-divisors	['Array', 'Math']	false	false
48.699795	Medium	1,391	false	false	Check if There is a Valid Path in a Grid	check-if-there-is-a-valid-path-in-a-grid	['Array', 'Depth-First Search', 'Breadth-First Search', 'Union Find', 'Matrix']	false	false
48.352934	Hard	1,392	false	false	Longest Happy Prefix	longest-happy-prefix	['String', 'Rolling Hash', 'String Matching', 'Hash Function']	false	false
84.990854	Medium	1,393	false	false	Capital Gain/Loss	capital-gainloss	['Database']	true	false
68.960376	Easy	1,394	false	false	Find Lucky Integer in an Array	find-lucky-integer-in-an-array	['Array', 'Hash Table', 'Counting']	true	false
70.07412	Medium	1,395	false	false	Count Number of Teams	count-number-of-teams	['Array', 'Dynamic Programming', 'Binary Indexed Tree', 'Segment Tree']	true	false
74.851565	Medium	1,396	false	false	Design Underground System	design-underground-system	['Hash Table', 'String', 'Design']	true	false
43.319049	Hard	1,397	false	false	Find All Good Strings	find-all-good-strings	['String', 'Dynamic Programming', 'String Matching']	false	false
72.079071	Medium	1,398	false	true	Customers Who Bought Products A and B but Not C	customers-who-bought-products-a-and-b-but-not-c	['Database']	true	false
66.508817	Easy	1,399	false	false	Count Largest Group	count-largest-group	['Hash Table', 'Math']	false	false
68.733539	Medium	1,400	false	false	Construct K Palindrome Strings	construct-k-palindrome-strings	['Hash Table', 'String', 'Greedy', 'Counting']	true	false

40.750588

Hard

1,301

false

Number of Paths with Max Score

number-of-paths-with-max-score

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

false

86.27408

Medium

1,302

false

Deepest Leaves Sum

deepest-leaves-sum

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

true

false

89.660481

Easy

1,303

false

true

Find the Team Size

find-the-team-size

['Database']

false

76.147471

Easy

1,304

false

Find N Unique Integers Sum up to Zero

find-n-unique-integers-sum-up-to-zero

['Array', 'Math']

false

79.975653

Medium

1,305

false

All Elements in Two Binary Search Trees

all-elements-in-two-binary-search-trees

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

true

false

65.850651

Medium

1,306

false

Jump Game III

jump-game-iii

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

true

34.701691

Hard

1,307

false

Verbal Arithmetic Puzzle

verbal-arithmetic-puzzle

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

false

86.385299

Medium

1,308

false

true

Running Total for Different Genders

running-total-for-different-genders

['Database']

false

80.106939

Easy

1,309

false

Decrypt String from Alphabet to Integer Mapping

decrypt-string-from-alphabet-to-integer-mapping

['String']

false

78.443232

Medium

1,310

false

XOR Queries of a Subarray

xor-queries-of-a-subarray

['Array', 'Bit Manipulation', 'Prefix Sum']

true

false

48.89991

Medium

1,311

false

Get Watched Videos by Your Friends

get-watched-videos-by-your-friends

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

false

72.038556

Hard

1,312

false

Minimum Insertion Steps to Make a String Palindrome

minimum-insertion-steps-to-make-a-string-palindrome

['String', 'Dynamic Programming']

true

false

85.979264

Easy

1,313

false

Decompress Run-Length Encoded List

decompress-run-length-encoded-list

['Array']

false

75.82948

Medium

1,314

false

Matrix Block Sum

matrix-block-sum

['Array', 'Matrix', 'Prefix Sum']

false

85.659641

Medium

1,315

false

Sum of Nodes with Even-Valued Grandparent

sum-of-nodes-with-even-valued-grandparent

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

true

false

51.721375

Hard

1,316

false

Distinct Echo Substrings

distinct-echo-substrings

['String', 'Trie', 'Rolling Hash', 'Hash Function']

false

54.072359

Easy

1,317

false

Convert Integer to the Sum of Two No-Zero Integers

convert-integer-to-the-sum-of-two-no-zero-integers

['Math']

false

71.504709

Medium

1,318

false

Minimum Flips to Make a OR b Equal to c

minimum-flips-to-make-a-or-b-equal-to-c

['Bit Manipulation']

true

false

64.204802

Medium

1,319

false

Number of Operations to Make Network Connected

number-of-operations-to-make-network-connected

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

true

false

59.035487

Hard

1,320

false

Minimum Distance to Type a Word Using Two Fingers

minimum-distance-to-type-a-word-using-two-fingers

['String', 'Dynamic Programming']

false

55.99027

Medium

1,321

false

Restaurant Growth

restaurant-growth

['Database']

false

59.284108

Easy

1,322

false

true

Ads Performance

ads-performance

['Database']

true

false

82.524969

Easy

1,323

false

Maximum 69 Number

maximum-69-number

['Math', 'Greedy']

true

false

65.914365

Medium

1,324

false

Print Words Vertically

print-words-vertically

['Array', 'String', 'Simulation']

false

77.282761

Medium

1,325

false

Delete Leaves With a Given Value

delete-leaves-with-a-given-value

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

true

false

50.703971

Hard

1,326

false

Minimum Number of Taps to Open to Water a Garden

minimum-number-of-taps-to-open-to-water-a-garden

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

true

false

71.818974

Easy

1,327

false

List the Products Ordered in a Period

list-the-products-ordered-in-a-period

['Database']

false

51.518281

Medium

1,328

false

Break a Palindrome

break-a-palindrome

['String', 'Greedy']

true

false

82.940786

Medium

1,329

false

Sort the Matrix Diagonally

sort-the-matrix-diagonally

['Array', 'Sorting', 'Matrix']

true

42.240048

Hard

1,330

false

Reverse Subarray To Maximize Array Value

reverse-subarray-to-maximize-array-value

['Array', 'Math', 'Greedy']

false

70.622565

Easy

1,331

false

Rank Transform of an Array

rank-transform-of-an-array

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

true

false

76.579342

Easy

1,332

false

Remove Palindromic Subsequences

remove-palindromic-subsequences

['Two Pointers', 'String']

true

false

62.979327

Medium

1,333

false

Filter Restaurants by Vegan-Friendly, Price and Distance

filter-restaurants-by-vegan-friendly-price-and-distance

['Array', 'Sorting']

false

69.554919

Medium

1,334

false

Find the City With the Smallest Number of Neighbors at a Threshold Distance

find-the-city-with-the-smallest-number-of-neighbors-at-a-threshold-distance

['Dynamic Programming', 'Graph', 'Shortest Path']

true

false

59.633501

Hard

1,335

false

Minimum Difficulty of a Job Schedule

minimum-difficulty-of-a-job-schedule

['Array', 'Dynamic Programming']

true

false

48.061228

Hard

1,336

false

true

Number of Transactions per Visit

number-of-transactions-per-visit

['Database']

false

73.891506

Easy

1,337

false

The K Weakest Rows in a Matrix

the-k-weakest-rows-in-a-matrix

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

true

false

69.065691

Medium

1,338

false

Reduce Array Size to The Half

reduce-array-size-to-the-half

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

true

false

47.831255

Medium

1,339

false

Maximum Product of Splitted Binary Tree

maximum-product-of-splitted-binary-tree

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

true

false

63.849407

Hard

1,340

false

Jump Game V

jump-game-v

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

false

41.271228

Medium

1,341

false

Movie Rating

movie-rating

['Database']

false

85.557951

Easy

1,342

false

Number of Steps to Reduce a Number to Zero

number-of-steps-to-reduce-a-number-to-zero

['Math', 'Bit Manipulation']

true

69.9104

Medium

1,343

false

Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold

number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold

['Array', 'Sliding Window']

false

64.132737

Medium

1,344

false

Angle Between Hands of a Clock

angle-between-hands-of-a-clock

['Math']

true

false

46.065227

Hard

1,345

false

Jump Game IV

jump-game-iv

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

true

false

41.119871

Easy

1,346

false

Check If N and Its Double Exist

check-if-n-and-its-double-exist

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

true

false

82.101903

Medium

1,347

false

Minimum Number of Steps to Make Two Strings Anagram

minimum-number-of-steps-to-make-two-strings-anagram

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

true

false

45.181593

Medium

1,348

false

Tweet Counts Per Frequency

tweet-counts-per-frequency

['Hash Table', 'Binary Search', 'Design', 'Sorting', 'Ordered Set']

false

51.903234

Hard

1,349

false

Maximum Students Taking Exam

maximum-students-taking-exam

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

false

89.895349

Easy

1,350

false

true

Students With Invalid Departments

students-with-invalid-departments

['Database']

false

77.619026

Easy

1,351

false

Count Negative Numbers in a Sorted Matrix

count-negative-numbers-in-a-sorted-matrix

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

true

false

62.867547

Medium

1,352

false

Product of the Last K Numbers

product-of-the-last-k-numbers

['Array', 'Math', 'Design', 'Data Stream', 'Prefix Sum']

true

false

32.814731

Medium

1,353

false

Maximum Number of Events That Can Be Attended

maximum-number-of-events-that-can-be-attended

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

false

36.235371

Hard

1,354

false

Construct Target Array With Multiple Sums

construct-target-array-with-multiple-sums

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

true

false

72.37542

Medium

1,355

false

true

Activity Participants

activity-participants

['Database']

true

false

78.594538

Easy

1,356

false

Sort Integers by The Number of 1 Bits

sort-integers-by-the-number-of-1-bits

['Array', 'Bit Manipulation', 'Sorting', 'Counting']

true

false

71.553019

Medium

1,357

false

Apply Discount Every n Orders

apply-discount-every-n-orders

['Array', 'Hash Table', 'Design']

false

72.963066

Medium

1,358

false

Number of Substrings Containing All Three Characters

number-of-substrings-containing-all-three-characters

['Hash Table', 'String', 'Sliding Window']

true

false

64.871171

Hard

1,359

false

Count All Valid Pickup and Delivery Options

count-all-valid-pickup-and-delivery-options

['Math', 'Dynamic Programming', 'Combinatorics']

true

false

51.102803

Easy

1,360

false

Number of Days Between Two Dates

number-of-days-between-two-dates

['Math', 'String']

false

43.85955

Medium

1,361

false

Validate Binary Tree Nodes

validate-binary-tree-nodes

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

true

false

61.161677

Medium

1,362

false

Closest Divisors

closest-divisors

['Math']

false

32.6892

Hard

1,363

false

Largest Multiple of Three

largest-multiple-of-three

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

false

75.221506

Medium

1,364

false

true

Number of Trusted Contacts of a Customer

number-of-trusted-contacts-of-a-customer

['Database']

true

false

87.066039

Easy

1,365

false

How Many Numbers Are Smaller Than the Current Number

how-many-numbers-are-smaller-than-the-current-number

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

false

59.184624

Medium

1,366

false

Rank Teams by Votes

rank-teams-by-votes

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

false

51.945802

Medium

1,367

false

Linked List in Binary Tree

linked-list-in-binary-tree

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

true

false

70.682525

Hard

1,368

false

Minimum Cost to Make at Least One Valid Path in a Grid

minimum-cost-to-make-at-least-one-valid-path-in-a-grid

['Array', 'Breadth-First Search', 'Graph', 'Heap (Priority Queue)', 'Matrix', 'Shortest Path']

true

false

67.500495

Hard

1,369

false

true

Get the Second Most Recent Activity

get-the-second-most-recent-activity

['Database']

false

76.556317

Easy

1,370

false

Increasing Decreasing String

increasing-decreasing-string

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

false

75.79313

Medium

1,371

false

Find the Longest Substring Containing Vowels in Even Counts

find-the-longest-substring-containing-vowels-in-even-counts

['Hash Table', 'String', 'Bit Manipulation', 'Prefix Sum']

true

false

66.415056

Medium

1,372

false

Longest ZigZag Path in a Binary Tree

longest-zigzag-path-in-a-binary-tree

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

true

false

43.490298

Hard

1,373

false

Maximum Sum BST in Binary Tree

maximum-sum-bst-in-binary-tree

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

false

77.969607

Easy

1,374

false

Generate a String With Characters That Have Odd Counts

generate-a-string-with-characters-that-have-odd-counts

['String']

false

65.678981

Medium

1,375

false

Number of Times Binary String Is Prefix-Aligned

number-of-times-binary-string-is-prefix-aligned

['Array']

false

60.176539

Medium

1,376

false

Time Needed to Inform All Employees

time-needed-to-inform-all-employees

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

true

false

35.692124

Hard

1,377

false

Frog Position After T Seconds

frog-position-after-t-seconds

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

false

83.608294

Easy

1,378

false

Replace Employee ID With The Unique Identifier

replace-employee-id-with-the-unique-identifier

['Database']

true

false

85.733417

Easy

1,379

false

Find a Corresponding Node of a Binary Tree in a Clone of That Tree

find-a-corresponding-node-of-a-binary-tree-in-a-clone-of-that-tree

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

true

false

79.880028

Easy

1,380

false

Lucky Numbers in a Matrix

lucky-numbers-in-a-matrix

['Array', 'Matrix']

true

false

80.451341

Medium

1,381

false

Design a Stack With Increment Operation

design-a-stack-with-increment-operation

['Array', 'Stack', 'Design']

true

false

84.627262

Medium

1,382

false

Balance a Binary Search Tree

balance-a-binary-search-tree

['Divide and Conquer', 'Greedy', 'Tree', 'Depth-First Search', 'Binary Search Tree', 'Binary Tree']

true

false

47.505865

Hard

1,383

false

Maximum Performance of a Team

maximum-performance-of-a-team

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

true

false

61.439674

Hard

1,384

false

true

Total Sales Amount by Year

total-sales-amount-by-year

['Database']

false

69.91572

Easy

1,385

false

Find the Distance Value Between Two Arrays

find-the-distance-value-between-two-arrays

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

false

42.550031

Medium

1,386

false

Cinema Seat Allocation

cinema-seat-allocation

['Array', 'Hash Table', 'Greedy', 'Bit Manipulation']

false

70.634509

Medium

1,387

false

Sort Integers by The Power Value

sort-integers-by-the-power-value

['Dynamic Programming', 'Memoization', 'Sorting']

false

52.695347

Hard

1,388

false

Pizza With 3n Slices

pizza-with-3n-slices

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

false

86.176214

Easy

1,389

false

Create Target Array in the Given Order

create-target-array-in-the-given-order

['Array', 'Simulation']

false

44.502941

Medium

1,390

false

Four Divisors

four-divisors

['Array', 'Math']

false

48.699795

Medium

1,391

false

Check if There is a Valid Path in a Grid

check-if-there-is-a-valid-path-in-a-grid

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

false

48.352934

Hard

1,392

false

Longest Happy Prefix

longest-happy-prefix

['String', 'Rolling Hash', 'String Matching', 'Hash Function']

false

84.990854

Medium

1,393

false

Capital Gain/Loss

capital-gainloss

['Database']

true

false

68.960376

Easy

1,394

false

Find Lucky Integer in an Array

find-lucky-integer-in-an-array

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

true

false

70.07412

Medium

1,395

false

Count Number of Teams

count-number-of-teams

['Array', 'Dynamic Programming', 'Binary Indexed Tree', 'Segment Tree']

true

false

74.851565

Medium

1,396

false

Design Underground System

design-underground-system

['Hash Table', 'String', 'Design']

true

false

43.319049

Hard

1,397

false

Find All Good Strings

find-all-good-strings

['String', 'Dynamic Programming', 'String Matching']

false

72.079071

Medium

1,398

false

true

Customers Who Bought Products A and B but Not C

customers-who-bought-products-a-and-b-but-not-c

['Database']

true

false

66.508817

Easy

1,399

false

Count Largest Group

count-largest-group

['Hash Table', 'Math']

false

68.733539

Medium

1,400

false

Construct K Palindrome Strings

construct-k-palindrome-strings

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

true

false