Skip to content

Latest commit

 

History

History

list-15

Folders and files

NameName
Last commit message
Last commit date

parent directory

..
 
 
Question Free? Status Difficulty Topics Similar Questions
1401. Circle and Rectangle Overlapping  🔗  📝
🆓 ⭐️⭐️
Math  🔗
Geometry  🔗
1402. Reducing Dishes  🔗  📝
🆓 ⭐️⭐️⭐️
Array  🔗
Dynamic Programming  🔗
Greedy  🔗
Sorting  🔗
1403. Minimum Subsequence in Non-Increasing Order  🔗  📝
🆓 ⭐️
Array  🔗
Greedy  🔗
Sorting  🔗
2210. Count Hills and Valleys in an Array  🔗  📝
1404. Number of Steps to Reduce a Number in Binary Representation to One  🔗  📝
🆓 ⭐️⭐️
String  🔗
Bit Manipulation  🔗
2139. Minimum Moves to Reach Target Score  🔗  📝
1405. Longest Happy String  🔗  📝
🆓 ⭐️⭐️
String  🔗
Greedy  🔗
Heap (Priority Queue)  🔗
767. Reorganize String  🔗  📝
1406. Stone Game III  🔗  📝
🆓 ⭐️⭐️⭐️
Array  🔗
Math  🔗
Dynamic Programming  🔗
Game Theory  🔗
1563. Stone Game V  🔗  📝
1686. Stone Game VI  🔗  📝
1690. Stone Game VII  🔗  📝
1872. Stone Game VIII  🔗  📝
2029. Stone Game IX  🔗  📝
1407. Top Travellers  🔗  📝
🆓 ⭐️
Database  🔗
1408. String Matching in an Array  🔗  📝
🆓 ⭐️
Array  🔗
String  🔗
String Matching  🔗
1409. Queries on a Permutation With Key  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Binary Indexed Tree  🔗
Simulation  🔗
1410. HTML Entity Parser  🔗  📝
🆓 ⭐️⭐️
Hash Table  🔗
String  🔗
1411. Number of Ways to Paint N × 3 Grid  🔗  📝
🆓 ⭐️⭐️⭐️
Dynamic Programming  🔗
1931. Painting a Grid With Three Different Colors  🔗  📝
1412. Find the Quiet Students in All Exams  🔗  📝
💰 ⭐️⭐️⭐️
Database  🔗
1413. Minimum Value to Get Positive Step by Step Sum  🔗  📝
🆓 ⭐️
Array  🔗
Prefix Sum  🔗
1414. Find the Minimum Number of Fibonacci Numbers Whose Sum Is K  🔗  📝
🆓 ⭐️⭐️
Greedy  🔗
1415. The k-th Lexicographical String of All Happy Strings of Length n  🔗  📝
🆓 ⭐️⭐️
String  🔗
Backtracking  🔗
1416. Restore The Array  🔗  📝
🆓 ⭐️⭐️⭐️
String  🔗
Dynamic Programming  🔗
1977. Number of Ways to Separate Numbers  🔗  📝
1417. Reformat The String  🔗  📝
🆓 ⭐️
String  🔗
1418. Display Table of Food Orders in a Restaurant  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Hash Table  🔗
String  🔗
Sorting  🔗
Ordered Set  🔗
1419. Minimum Number of Frogs Croaking  🔗  📝
🆓 ⭐️⭐️
String  🔗
Counting  🔗
1420. Build Array Where You Can Find The Maximum Exactly K Comparisons  🔗  📝
🆓 ⭐️⭐️⭐️
Dynamic Programming  🔗
1421. NPV Queries  🔗  📝
💰 ⭐️
Database  🔗
1422. Maximum Score After Splitting a String  🔗  📝
🆓 ⭐️
String  🔗
1423. Maximum Points You Can Obtain from Cards  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Sliding Window  🔗
Prefix Sum  🔗
1770. Maximum Score from Performing Multiplication Operations  🔗  📝
2091. Removing Minimum and Maximum From Array  🔗  📝
1424. Diagonal Traverse II  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Sorting  🔗
Heap (Priority Queue)  🔗
1425. Constrained Subsequence Sum  🔗  📝
🆓 ⭐️⭐️⭐️
Array  🔗
Dynamic Programming  🔗
Queue  🔗
Sliding Window  🔗
Heap (Priority Queue)  🔗
Monotonic Queue  🔗
1426. Counting Elements  🔗  📝
💰 ⭐️
Array  🔗
Hash Table  🔗
1427. Perform String Shifts  🔗  📝
💰 ⭐️
Array  🔗
Math  🔗
String  🔗
1428. Leftmost Column with at Least a One  🔗  📝
💰 ⭐️⭐️
Array  🔗
Binary Search  🔗
Matrix  🔗
Interactive  🔗
1429. First Unique Number  🔗  📝
💰 ⭐️⭐️
Array  🔗
Hash Table  🔗
Design  🔗
Queue  🔗
Data Stream  🔗
1430. 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  🔗
1431. Kids With the Greatest Number of Candies  🔗  📝
🆓 ⭐️
Array  🔗
1432. Max Difference You Can Get From Changing an Integer  🔗  📝
🆓 ⭐️⭐️
Math  🔗
Greedy  🔗
1433. Check If a String Can Break Another String  🔗  📝
🆓 ⭐️⭐️
String  🔗
Greedy  🔗
Sorting  🔗
1434. Number of Ways to Wear Different Hats to Each Other  🔗  📝
🆓 ⭐️⭐️⭐️
Array  🔗
Dynamic Programming  🔗
Bit Manipulation  🔗
Bitmask  🔗
1994. The Number of Good Subsets  🔗  📝
1435. Create a Session Bar Chart  🔗  📝
💰 ⭐️
Database  🔗
1907. Count Salary Categories  🔗  📝
1436. Destination City  🔗  📝
🆓 ⭐️
Hash Table  🔗
String  🔗
1437. Check If All 1's Are at Least Length K Places Away  🔗  📝
🆓 ⭐️
Array  🔗
2365. Task Scheduler II  🔗  📝
1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Queue  🔗
Sliding Window  🔗
Heap (Priority Queue)  🔗
Ordered Set  🔗
Monotonic Queue  🔗
2294. Partition Array Such That Maximum Difference Is K  🔗  📝
1439. Find the Kth Smallest Sum of a Matrix With Sorted Rows  🔗  📝
🆓 ⭐️⭐️⭐️
Array  🔗
Binary Search  🔗
Heap (Priority Queue)  🔗
Matrix  🔗
1440. Evaluate Boolean Expression  🔗  📝
💰 ⭐️⭐️
Database  🔗
1441. Build an Array With Stack Operations  🔗  📝
🆓 ⭐️
Array  🔗
Stack  🔗
Simulation  🔗
1442. Count Triplets That Can Form Two Arrays of Equal XOR  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Hash Table  🔗
Math  🔗
Bit Manipulation  🔗
Prefix Sum  🔗
1443. Minimum Time to Collect All Apples in a Tree  🔗  📝
🆓 ⭐️⭐️
Hash Table  🔗
Tree  🔗
Depth-First Search  🔗
Breadth-First Search  🔗
1444. Number of Ways of Cutting a Pizza  🔗  📝
🆓 ⭐️⭐️⭐️
Array  🔗
Dynamic Programming  🔗
Memoization  🔗
Matrix  🔗
2312. Selling Pieces of Wood  🔗  📝
1445. Apples & Oranges  🔗  📝
💰 ⭐️⭐️
Database  🔗
1446. Consecutive Characters  🔗  📝
🆓 ⭐️
String  🔗
485. Max Consecutive Ones  🔗  📝
1759. Count Number of Homogenous Substrings  🔗  📝
2213. Longest Substring of One Repeating Character  🔗  📝
2229. Check if an Array Is Consecutive  🔗  📝
1447. Simplified Fractions  🔗  📝
🆓 ⭐️⭐️
Math  🔗
String  🔗
Number Theory  🔗
1448. Count Good Nodes in Binary Tree  🔗  📝
🆓 ⭐️⭐️
Tree  🔗
Depth-First Search  🔗
Breadth-First Search  🔗
Binary Tree  🔗
1449. Form Largest Integer With Digits That Add up to Target  🔗  📝
🆓 ⭐️⭐️⭐️
Array  🔗
Dynamic Programming  🔗
1450. Number of Students Doing Homework at a Given Time  🔗  📝
🆓 ⭐️
Array  🔗
1451. Rearrange Words in a Sentence  🔗  📝
🆓 ⭐️⭐️
String  🔗
Sorting  🔗
1452. People Whose List of Favorite Companies Is Not a Subset of Another List  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Hash Table  🔗
String  🔗
1453. Maximum Number of Darts Inside of a Circular Dartboard  🔗  📝
🆓 ⭐️⭐️⭐️
Array  🔗
Math  🔗
Geometry  🔗
1454. Active Users  🔗  📝
💰 ⭐️⭐️
Database  🔗
1455. Check If a Word Occurs As a Prefix of Any Word in a Sentence  🔗  📝
🆓 ⭐️
String  🔗
String Matching  🔗
2185. Counting Words With a Given Prefix  🔗  📝
2255. Count Prefixes of a Given String  🔗  📝
1456. Maximum Number of Vowels in a Substring of Given Length  🔗  📝
🆓 ⭐️⭐️
String  🔗
Sliding Window  🔗
2271. Maximum White Tiles Covered by a Carpet  🔗  📝
1457. Pseudo-Palindromic Paths in a Binary Tree  🔗  📝
🆓 ⭐️⭐️
Bit Manipulation  🔗
Tree  🔗
Depth-First Search  🔗
Breadth-First Search  🔗
Binary Tree  🔗
1458. Max Dot Product of Two Subsequences  🔗  📝
🆓 ⭐️⭐️⭐️
Array  🔗
Dynamic Programming  🔗
1459. Rectangles Area  🔗  📝
💰 ⭐️⭐️
Database  🔗
1460. Make Two Arrays Equal by Reversing Sub-arrays  🔗  📝
🆓 ⭐️
Array  🔗
Hash Table  🔗
Sorting  🔗
1461. Check If a String Contains All Binary Codes of Size K  🔗  📝
🆓 ⭐️⭐️
Hash Table  🔗
String  🔗
Bit Manipulation  🔗
Rolling Hash  🔗
Hash Function  🔗
1462. Course Schedule IV  🔗  📝
🆓 ⭐️⭐️
Depth-First Search  🔗
Breadth-First Search  🔗
Graph  🔗
Topological Sort  🔗
1463. Cherry Pickup II  🔗  📝
🆓 ⭐️⭐️⭐️
Array  🔗
Dynamic Programming  🔗
Matrix  🔗
1464. Maximum Product of Two Elements in an Array  🔗  📝
🆓 ⭐️
Array  🔗
Sorting  🔗
Heap (Priority Queue)  🔗
1465. Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Greedy  🔗
Sorting  🔗
1466. Reorder Routes to Make All Paths Lead to the City Zero  🔗  📝
🆓 ⭐️⭐️
Depth-First Search  🔗
Breadth-First Search  🔗
Graph  🔗
1467. Probability of a Two Boxes Having The Same Number of Distinct Balls  🔗  📝
🆓 ⭐️⭐️⭐️
Math  🔗
Dynamic Programming  🔗
Backtracking  🔗
Combinatorics  🔗
Probability and Statistics  🔗
1468. Calculate Salaries  🔗  📝
💰 ⭐️⭐️
Database  🔗
1469. Find All The Lonely Nodes  🔗  📝
💰 ⭐️
Tree  🔗
Depth-First Search  🔗
Breadth-First Search  🔗
Binary Tree  🔗
563. Binary Tree Tilt  🔗  📝
965. Univalued Binary Tree  🔗  📝
1470. Shuffle the Array  🔗  📝
🆓 ⭐️
Array  🔗
1471. The k Strongest Values in an Array  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Two Pointers  🔗
Sorting  🔗
1472. Design Browser History  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Linked List  🔗
Stack  🔗
Design  🔗
Doubly-Linked List  🔗
Data Stream  🔗
2254. Design Video Sharing Platform  🔗  📝
1473. Paint House III  🔗  📝
🆓 ⭐️⭐️⭐️
Array  🔗
Dynamic Programming  🔗
2318. Number of Distinct Roll Sequences  🔗  📝
1474. Delete N Nodes After M Nodes of a Linked List  🔗  📝
💰 ⭐️
Linked List  🔗
19. Remove Nth Node From End of List  🔗  📝
1171. Remove Zero Sum Consecutive Nodes from Linked List  🔗  📝
1475. Final Prices With a Special Discount in a Shop  🔗  📝
🆓 ⭐️
Array  🔗
Stack  🔗
Monotonic Stack  🔗
1476. Subrectangle Queries  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Design  🔗
Matrix  🔗
1477. Find Two Non-overlapping Sub-arrays Each With Target Sum  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Hash Table  🔗
Binary Search  🔗
Dynamic Programming  🔗
Sliding Window  🔗
1478. Allocate Mailboxes  🔗  📝
🆓 ⭐️⭐️⭐️
Array  🔗
Math  🔗
Dynamic Programming  🔗
Sorting  🔗
1479. Sales by Day of the Week  🔗  📝
💰 ⭐️⭐️⭐️
Database  🔗
1480. Running Sum of 1d Array  🔗  📝
🆓 ⭐️
Array  🔗
Prefix Sum  🔗
1481. Least Number of Unique Integers after K Removals  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Hash Table  🔗
Greedy  🔗
Sorting  🔗
Counting  🔗
1482. Minimum Number of Days to Make m Bouquets  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Binary Search  🔗
2024. Maximize the Confusion of an Exam  🔗  📝
2136. Earliest Possible Day of Full Bloom  🔗  📝
1483. Kth Ancestor of a Tree Node  🔗  📝
🆓 👀 ⭐️⭐️⭐️
Binary Search  🔗
Dynamic Programming  🔗
Tree  🔗
Depth-First Search  🔗
Breadth-First Search  🔗
Design  🔗
1484. Group Sold Products By The Date  🔗  📝
🆓 ⭐️
Database  🔗
2199. Finding the Topic of Each Post  🔗  📝
1485. Clone Binary Tree With Random Pointer  🔗  📝
💰 ⭐️⭐️
Hash Table  🔗
Tree  🔗
Depth-First Search  🔗
Breadth-First Search  🔗
Binary Tree  🔗
133. Clone Graph  🔗  📝
138. Copy List with Random Pointer  🔗  📝
1490. Clone N-ary Tree  🔗  📝
1486. XOR Operation in an Array  🔗  📝
🆓 ⭐️
Math  🔗
Bit Manipulation  🔗
1487. Making File Names Unique  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Hash Table  🔗
String  🔗
1488. Avoid Flood in The City  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Hash Table  🔗
Binary Search  🔗
Greedy  🔗
Heap (Priority Queue)  🔗
1489. Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree  🔗  📝
🆓 ⭐️⭐️⭐️
Union Find  🔗
Graph  🔗
Sorting  🔗
Minimum Spanning Tree  🔗
Strongly Connected Component  🔗
1490. Clone N-ary Tree  🔗  📝
💰 ⭐️⭐️
Hash Table  🔗
Tree  🔗
Depth-First Search  🔗
Breadth-First Search  🔗
133. Clone Graph  🔗  📝
138. Copy List with Random Pointer  🔗  📝
1485. Clone Binary Tree With Random Pointer  🔗  📝
1491. Average Salary Excluding the Minimum and Maximum Salary  🔗  📝
🆓 ⭐️
Array  🔗
Sorting  🔗
1492. The kth Factor of n  🔗  📝
🆓 ⭐️⭐️
Math  🔗
1493. Longest Subarray of 1's After Deleting One Element  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Dynamic Programming  🔗
Sliding Window  🔗
1494. Parallel Courses II  🔗  📝
🆓 ⭐️⭐️⭐️
Dynamic Programming  🔗
Bit Manipulation  🔗
Graph  🔗
Bitmask  🔗
1136. Parallel Courses  🔗  📝
1495. Friendly Movies Streamed Last Month  🔗  📝
💰 ⭐️
Database  🔗
1496. Path Crossing  🔗  📝
🆓 ⭐️
Hash Table  🔗
String  🔗
1497. Check If Array Pairs Are Divisible by k  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Hash Table  🔗
Counting  🔗
2183. Count Array Pairs Divisible by K  🔗  📝
2344. Minimum Deletions to Make Array Divisible  🔗  📝
1498. Number of Subsequences That Satisfy the Given Sum Condition  🔗  📝
🆓 ⭐️⭐️
Array  🔗
Two Pointers  🔗
Binary Search  🔗
Sorting  🔗
1499. Max Value of Equation  🔗  📝
🆓 ⭐️⭐️⭐️
Array  🔗
Queue  🔗
Sliding Window  🔗
Heap (Priority Queue)  🔗
Monotonic Queue  🔗
1885. Count Pairs in Two Arrays  🔗  📝
1500. Design a File Sharing System  🔗  📝
💰 ⭐️⭐️
Hash Table  🔗
Design  🔗
Heap (Priority Queue)  🔗
Data Stream  🔗
355. Design Twitter  🔗  📝