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Published 20 hours ago • verified publisher icon RajwardhanShinde
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⭐ LeetCode Solutions Grouped By Categories ⭐

LeetCode Solutions

Language  Programs  Update  License 

Easy  Medium  Hard

Array

# Title Solution Difficulty
0442 Find All Duplicates in an Array View Medium
1437 Check If All 1's Are at Least Length K Places Away View Medium
0706 Design Hash Map View Easy
0705 Design Hash Set View Easy
1475 Final Prices With a Special Discount in a Shop View Easy
1277 Count Square Submatrices with All Ones View Medium
1475 Final Prices With a Special Discount in a Shop View Easy
0287 Find the Duplicate Number View Medium
1481 Least Number of Unique Integers after K Removals View Medium
0485 Max Consecutive Ones View Easy
0004 Median of Two Sorted Arrays View Hard
0918 Maximum Sum Circular Subarray View Medium
0496 Next Greater Element I View Easy
0503 Next Greater Element II View Medium
0556 Next Greater Element III View Medium
0238 Product of Array Except Self View Medium
1338 Reduce Array Size to The Half View Medium
0905 Sort Array By Parity View Easy
0922 Sort Array By Parity II View Easy
0713 Subarray Product Less Than K View Medium
1476 Subrectangle Queries View Medium
1471 The k Strongest Values in an Array View Medium
0941 Valid Mountain Array View Medium

Binary Search

# Title Solution Difficulty
0034 Find First and Last Position of Element in Sorted Array View Medium
0153 Find Minimum in Rotated Sorted Array View Medium
0162 Find Peak Element View Medium
0744 Find Smallest Letter Greater Than Target View Easy
0275 H-Index II View Medium
1482 Minimum Number of Days to Make m Bouquets View Medium
0852 Peak Index in a Mountain Array View Easy
1300 Sum of Mutated Array Closest to Target View Medium

DFS (Depth First Search)

# Title Solution Difficulty
0200 Number of Islands View Medium
1020 Number of Enclaves View Medium
0130 Surrounded Regions View Medium

DP (Dynamic Programming)

# Title Solution Difficulty
0322 Coin Change View Medium
0518 Coin Change 2 View Medium
0338 Counting Bits View Medium
0740 Delete and Earn View Medium
0174 Dungeon Game - Memoization View Hard
0174 Dungeon Game - Tabulation View Hard
0198 House Robber View Easy
0368 Largest Divisble Subset View Medium
0300 Longest Increasing Subsequence View Medium
1048 Longest String Chain View Medium
0978 Longest Turbulent Subarray View Medium
1035 Uncrossed Lines View Medium
0062 Unique Paths View Medium

Linked List

# Title Solution Difficulty
0002 Add Two Numbers View Medium
0445 Add Two Numbers II View Medium
0707 Design Linked List View Medium
0141 Linked List Cycle View Easy
0142 Linked List Cycle II View Medium
0876 Middle of the Linked List View Easy
0021 Merge Two Sorted Lists View Easy
1019 Next Greater Node In Linked List View Medium
0328 Odd Even Linked List View Medium
0082 Remove Duplicates from Sorted List II View Medium
0061 Rotate List View Medium
0206 Reverse Linked List View Easy
0092 Reverse Linked List II View Medium
0019 Remove Nth Node From End of List View Medium
0024 Swap Nodes in Pairs View Medium

Strings

# Title Solution Difficulty
1433 Check If a String Can Break Another String View Medium
0028 Implement strStr() - KMP Algorithm View Easy
0028 Implement strStr() - Rabin Karp Algorithm View Easy
0459 Repeated Substring Pattern - KMP Algorithm View Easy
0686 Repeated String Match - KMP Algorithm View Easy
1487 Making File Names Unique View Medium

Stack

# Title Solution Difficulty
1381 Design a Stack With Increment Operation View Medium
0146 LRU Cache View Medium
0232 Implement Queue using Stacks View Easy
0155 Min Stack View Easy

Sliding Window

# Title Solution Difficulty
0904 Fruit Into Baskets View Medium
1052 Grumpy Bookstore Owner View Medium
1438 Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit View Medium
1004 Max Consecutive Ones III View Medium
1358 Number of Substrings Containing All Three Characters View Medium
1234 Replace the Substring for Balanced String View Medium

Tree

# Title Solution Difficulty
0938 Range Sum of BST View Easy
0617 Merge Two Binary Trees View Easy
0700 Search in a Binary Search Tree View Easy
0129 Sum Root to Leaf Numbers View Medium
0897 Increasing Order Search Tree View Easy
0559 Maximum Depth of N-ary Tree View Easy
0104 Maximum Depth of Binary Tree View Easy
0226 Invert Binary Tree View Easy
0530 Minimum Absolute Difference in BST View Easy
0993 Cousins in Binary Tree View Easy
0783 Minimum Distance Between BST Nodes View Easy
0543 Diameter of Binary Tree View Easy
0110 Balanced Binary Tree View Easy
0222 Count Complete Tree Nodes View Medium
1008 Construct Binary Search Tree from Preorder Traversal View Medium
1448 Count Good Nodes in Binary Tree View Medium
0889 Construct Binary Tree from Preorder and Postorder Traversal View Medium
0429 N-ary Tree Level Order Traversal View Medium
0230 Kth Smallest Element in a BST View Medium
0096 Unique Binary Search Trees View Medium
103 Binary Tree Zigzag Level Order Traversal View Medium

Trie

# Title Solution Difficulty
0208 Implement Trie (Prefix Tree) View Medium
0211 Add and Search Word - Data structure design View Medium
0648 Replace Words View Medium
0212 Word Search II View Hard

Union Find

# Title Solution Difficulty
0547 Friend Circles View Medium
1319 Number of Operations to Make Network Connected View Medium
0684 Redundant Connection View Medium
0990 Satisfiability of Equality Equations View Medium

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⭐ LeetCode Solutions Grouped By Categories ⭐

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