/**
* @brief: This repository contains my solutions for leetcode problems.
* @author: SahilK-027
* @param: Takes logic
* @return: Solutions
*/
solutions main(logic)
{
if(Like the repository)
{
Give ⭐️;
Thanks 😊;
}
return (My LeetCode solutions);
}
@@ Problems Solved So Far,... @@| # | Problem Title | Difficulty | Solution |
|---|---|---|---|
| 1 | Two Sum | 🟢 | solution |
| 2 | Add Two Numbers | 🟡 | solution |
| 3 | Longest Substring Without Repeating Characters | 🟡 | solution |
| 4 | Median of Two Sorted Arrays | 🔴 | solution |
| 7 | Reverse Integer | 🟡 | solution |
| 9 | Palindrome Number | 🟢 | solution |
| 11 | Container With Most Water | 🟡 | solution |
| 13 | Roman to Integer | 🟢 | solution |
| 14 | Longest Common Prefix | 🟢 | solution |
| 15 | 3Sum | 🟡 | solution |
| 17 | Letter Combinations of a Phone Number | 🟡 | solution |
| 18 | 4Sum | 🟡 | solution |
| 19 | Remove Nth Node From End of List | 🟡 | solution |
| 20 | Valid Parentheses | 🟢 | solution |
| 21 | Merge Two Sorted Lists | 🟢 | solution |
| 22 | Generate Parentheses | 🟡 | solution |
| 23 | Merge k Sorted Lists | 🔴 | solution |
| 24 | Swap Nodes in Pairs | 🟡 | solution |
| 25 | Reverse Nodes in k-Group | 🔴 | solution |
| 26 | Remove Duplicates from Sorted Array | 🟢 | solution |
| 27 | Remove Element | 🟢 | solution |
| 28 | Find the Index of the First Occurrence in a String | 🟡 | solution |
| 33 | Search in Rotated Sorted Array | 🟡 | solution |
| 34 | Find First and Last Position of Element in Sorted Array | 🟡 | solution |
| 35 | Search Insert Position | 🟢 | solution |
| 37 | Sudoku Solver | 🔴 | solution |
| 42 | Trapping Rain Water | 🔴 | solution |
| 45 | Jump Game II | 🟡 | solution |
| 46 | Permutations | 🟡 | solution |
| 48 | Rotate Image | 🟡 | solution |
| 49 | Group Anagram | 🟡 | solution |
| 50 | Pow(x, n) | 🟡 | solution |
| 51 | N-Queens | 🔴 | solution |
| 52 | N-Queens II | 🔴 | solution |
| 53 | Maximum Subarray | 🟡 | solution |
| 54 | Spiral Matrix | 🟡 | solution |
| 55 | Jump Game | 🟡 | solution |
| 58 | Length of Last Word | 🟢 | solution |
| 59 | Spiral Matrix II | 🟡 | solution |
| 61 | Rotate List | 🟡 | solution |
| 66 | Plus One | 🟢 | solution |
| 69 | Sqrt(x) | 🟢 | solution |
| 70 | Climbing Stairs | 🟢 | solution |
| 73 | Set Matrix Zeroes | 🟡 | solution |
| 74 | Search a 2D Matrix | 🟡 | solution |
| 78 | Subsets | 🟡 | solution |
| 82 | Remove Duplicates from Sorted List II | 🟡 | solution |
| 83 | Remove Duplicates from Sorted List | 🟢 | solution |
| 84 | Largest Rectangle in Histogram | 🔴 | solution |
| 85 | Maximal Rectangle | 🔴 | solution |
| 86 | Partition List | 🟡 | solution |
| 88 | Merge Sorted Array | 🟢 | solution |
| 91 | Decode Ways | 🟡 | solution |
| 92 | Reverse Linked List II | 🟡 | solution |
| 94 | Binary Tree Inorder Traversal | 🟢 | solution |
| 96 | Unique Binary Search Trees | 🟡 | solution |
| 98 | Validate Binary Search Tree | 🟡 | solution |
| 100 | Same Tree | 🟢 | solution |
| 101 | Symmetric Tree | 🟢 | solution |
| 102 | Binary Tree Level Order Traversal | 🟡 | solution |
| 103 | Binary Tree Zigzag Level Order Traversal | 🟡 | solution |
| 104 | Maximum Depth of Binary Tree | 🟢 | solution |
| 105 | Construct Binary Tree from Preorder and Inorder Traversal | 🟡 | solution |
| 106 | Construct Binary Tree from Inorder and Postorder Traversal | 🟡 | solution |
| 107 | Binary Tree Level Order Traversal II | 🟡 | solution |
| 108 | Convert Sorted Array to Binary Search Tree | 🟢 | solution |
| 109 | Convert Sorted List to Binary Search Tree | 🟡 | solution |
| 110 | Balanced Binary Tree | 🟢 | solution |
| 111 | Minimum Depth of Binary Tree | 🟢 | solution |
| 112 | Path Sum | 🟢 | solution |
| 114 | Flatten Binary Tree to Linked List | 🟡 | solution |
| 121 | Best Time to Buy and Sell Stock | 🟢 | solution |
| 124 | Binary Tree Maximum Path Sum | 🔴 | solution |
| 129 | Sum Root to Leaf Numbers | 🟡 | solution |
| 138 | Copy List with Random Pointer | 🟡 | solution |
| 140 | Word Break II | 🔴 | solution |
| 141 | Linked List Cycle | 🟢 | solution |
| 142 | Linked List Cycle II | 🟡 | solution |
| 143 | Reorder List | 🟡 | solution |
| 144 | Binary Tree Preorder Traversal | 🟢 | solution |
| 145 | Binary Tree Postorder Traversal | 🟢 | solution |
| 148 | Sort List | 🟡 | solution |
| 150 | Evaluate Reverse Polish Notation | 🟡 | solution |
| 151 | Reverse Words in a String | 🟡 | solution |
| 153 | Find Minimum in Rotated Sorted Array | 🟡 | solution |
| 160 | Intersection of Two Linked Lists | 🟢 | solution |
| 162 | Find Peak Element | 🟡 | solution |
| 167 | Two Sum II - Input Array Is Sorted | 🟡 | solution |
| 189 | Rotate Array | 🟡 | solution |
| 191 | Number of 1 Bits | 🟢 | solution |
| 198 | House Robber | 🟡 | solution |
| 191 | Number of 1 Bits | 🟢 | solution |
| 199 | Binary Tree Right Side View | 🟡 | solution |
| 202 | Happy Number | 🟢 | solution |
| 203 | Remove Linked List Elements | 🟢 | solution |
| 204 | Count Primes | 🟡 | solution |
| 206 | Reverse Linked List | 🟢 | solution |
| 208 | Implement Trie (Prefix Tree) | 🟡 | solution |
| 213 | House Robber II | 🟡 | solution |
| 215 | Kth Largest Element in an Array | 🟡 | solution |
| 217 | Contains Duplicate | 🟢 | solution |
| 222 | Count Complete Tree Nodes | 🟡 | solution |
| 226 | Invert Binary Tree | 🟢 | solution |
| 230 | Kth Smallest Element in a BST | 🟡 | solution |
| 231 | Power of Two | 🟢 | solution |
| 232 | Implement Queue using Stacks | 🟢 | solution |
| 233 | Number of Digit One | 🔴 | solution |
| 234 | Palindrome Linked List | 🟢 | solution |
| 235 | Lowest Common Ancestor of a Binary Search Tree | 🟡 | solution |
| 236 | Lowest Common Ancestor of a Binary Tree | 🟡 | solution |
| 237 | Delete Node in a Linked List | 🟡 | solution |
| 239 | Sliding Window Maximum | 🔴 | solution |
| 240 | Search a 2D Matrix II | 🟡 | solution |
| 257 | Binary Tree Paths | 🟢 | solution |
| 263 | Ugly Number | 🟢 | solution |
| 268 | Missing Number | 🟢 | solution |
| 273 | Integer to English Words | 🔴 | solution |
| 278 | First Bad Version | 🟢 | solution |
| 283 | Move Zeroes | 🟢 | solution |
| 290 | Word Pattern | 🟢 | solution |
| 301 | Remove Invalid Parentheses | 🔴 | solution |
| 309 | Best Time to Buy and Sell Stock with Cooldown | 🟡 | solution |
| 301 | Remove Invalid Parentheses | 🔴 | solution |
| 326 | Power of Three | 🟢 | solution |
| 328 | Odd Even Linked List | 🟡 | solution |
| 342 | Power of Four | 🟢 | solution |
| 344 | Reverse String | 🟢 | solution |
| 367 | Valid Perfect Square | 🟢 | solution |
| 374 | Guess Number Higher or Lower | 🟢 | solution |
| 383 | Ransom Note | 🟢 | solution |
| 387 | First Unique Character in a String | 🟢 | solution |
| 390 | Elimination Game | 🟡 | solution |
| 392 | Is Subsequence | 🟢 | solution |
| 394 | Decode String | 🟡 | solution |
| 404 | Sum of Left Leaves | 🟢 | solution |
| 437 | Path Sum III | 🟡 | solution |
| 442 | Find All Duplicates in an Array | 🟡 | solution |
| 443 | String Compression | 🟡 | solution |
| 445 | Add Two Numbers II | 🟡 | solution |
| 450 | Delete Node in a BST | 🟡 | solution |
| 451 | Sort Characters By Frequency | 🟡 | solution |
| 486 | Predict The Winner | 🟡 | solution |
| 496 | Next Greater Element I | 🟢 | solution |
| 506 | Relative Ranks | 🟢 | solution |
| 509 | Fibonacci Number | 🟢 | solution |
| 513 | Find Bottom Left Tree Value | 🟡 | solution |
| 515 | Find Largest Value in Each Tree Row | 🟡 | solution |
| 520 | Detect Capital | 🟢 | solution |
| 538 | Convert BST to Greater Tree | 🟡 | solution |
| 543 | Diameter of Binary Tree | 🟢 | solution |
| 557 | Reverse Words in a String III | 🟢 | solution |
| 567 | Permutation in String | 🟡 | solution |
| 617 | Merge Two Binary Trees | 🟢 | solution |
| 622 | Design Circular Queue | 🟡 | solution |
| 632 | Smallest Range Covering Elements from K Lists | 🔴 | solution |
| 637 | Average of Levels in Binary Tree | 🟢 | solution |
| 653 | Two Sum IV - Input is a BST | 🟢 | solution |
| 654 | Maximum Binary Tree | 🟡 | solution |
| 700 | Search in a Binary Search Tree | 🟢 | solution |
| 701 | Insert into a Binary Search Tree | 🟡 | solution |
| 704 | Binary Search | 🟢 | solution |
| 733 | Flood Fill | 🟢 | solution |
| 739 | Daily Temperatures | 🟡 | solution |
| 740 | Delete and Earn | 🟡 | solution |
| 779 | K-th Symbol In Grammar | 🟡 | solution |
| 790 | Domino and Tromino Tiling | 🟡 | solution |
| 797 | All Paths From Source to Target | 🟡 | solution |
| 832 | Flipping an Image | 🟢 | solution |
| 834 | Sum of Distances in Tree | 🔴 | solution |
| 841 | Keys and Rooms | 🟡 | solution |
| 844 | Backspace String Compare | 🟢 | solution |
| 852 | Peak Index in a Mountain Array | 🟡 | solution |
| 863 | All Nodes Distance K in Binary Tree | 🟡 | solution |
| 872 | Leaf-Similar Trees | 🟢 | solution |
| 876 | Middle of the Linked List | 🟢 | solution |
| 886 | Possible Bipartition | 🟡 | solution |
| 921 | Minimum Add to Make Parentheses Valid | 🟡 | solution |
| 931 | Minimum Falling Path Sum | 🟡 | solution |
| 938 | Range Sum of BST | 🟢 | solution |
| 958 | Check Completeness of a Binary Tree | 🟡 | solution |
| 977 | Squares of a Sorted Array | 🟢 | solution |
| 980 | Unique Paths III | 🔴 | solution |
| 997 | Find the Town Judge | 🟢 | solution |
| 1008 | Construct Binary Search Tree from Preorder Traversal | 🟡 | solution |
| 1009 | Complement of Base 10 Integer | 🟢 | solution |
| 1026 | Maximum Difference Between Node and Ancestor | 🟡 | solution |
| 1038 | Binary Search Tree to Greater Sum Tree | 🟡 | solution |
| 1047 | Remove All Adjacent Duplicates In String | 🟢 | solution |
| 1143 | Longest Common Subsequence | 🟡 | solution |
| 1047 | Remove All Adjacent Duplicates In String | 🟢 | solution |
| 1207 | Unique Number of Occurrences | 🟢 | solution |
| 1281 | Subtract the Product and Sum of Digits of an Integer | 🟢 | solution |
| 1290 | Convert Binary Number in a Linked List to Integer | 🟢 | solution |
| 1339 | Maximum Product of Splitted Binary Tree | 🟡 | solution |
| 1325 | Delete Leaves With a Given Value | 🟡 | solution |
| 1342 | Number of Steps to Reduce a Number to Zero | 🟢 | solution |
| 1373 | Maximum Sum BST in Binary Tree | 🔴 | solution |
| 1382 | Balance a Binary Search Tree | 🟡 | solution |
| 1448 | Count Good Nodes in Binary Tree | 🟡 | solution |
| 1491 | Average Salary Excluding the Minimum and Maximum Salary | 🟢 | solution |
| 1523 | Count Odd Numbers in an Interval Range | 🟢 | solution |
| 1544 | Make The String Great | 🟢 | solution |
| 1572 | Matrix Diagonal Sum | 🟢 | solution |
| 1655 | Distribute Repeating Integers | 🔴 | solution |
| 1657 | Determine if Two Strings Are Close | 🟡 | solution |
| 1672 | Richest Customer Wealth | 🟢 | solution |
| 1704 | Determine if String Halves Are Alike | 🟢 | solution |
| 1723 | Find Minimum Time to Finish All Jobs | 🔴 | solution |
| 1752 | Check if Array Is Sorted and Rotated | 🟢 | solution |
| 1791 | Find Center of Star Graph | 🟢 | solution |
| 1823 | Find the Winner of the Circular Game | 🟡 | solution |
| 1823 | Single-Threaded CPU | 🟡 | solution |
| 1863 | Sum of All Subset XOR Totals | 🟢 | solution |
| 1910 | Remove All Occurrences of a Substring | 🟡 | solution |
| 1962 | Remove Stones to Minimize the Total | 🟡 | solution |
| 1963 | Minimum Number of Swaps to Make the String Balanced | 🟡 | solution |
| 1971 | Find if Path Exists in Graph | 🟢 | solution |
| 2095 | Delete the Middle Node of a Linked List | 🟡 | solution |
| 2169 | Count Operations to Obtain Zero | 🟢 | solution |
| 2181 | Merge Nodes in Between Zeros | 🟡 | solution |
| 2256 | Minimum Average Difference | 🟡 | solution |
| 2265 | Count Nodes Equal to Average of Subtree | 🟡 | solution |
| 2279 | Maximum Bags With Full Capacity of Rocks | 🟡 | solution |
| 2367 | Number of Arithmetic Triplets | 🟢 | solution |
| 2385 | Amount of Time for Binary Tree to Be Infected | 🟡 | solution |
| 2389 | Longest Subsequence With Limited Sum | 🟢 | solution |
| 2469 | Convert the Temperature | 🟢 | solution |
| 2472 | Maximum Number of Non-overlapping Palindrome Substrings | 🟡 | solution |
| 2485 | Find the Pivot Integer | 🟢 | solution |
| 2486 | Append Characters to String to Make Subsequence | 🟡 | solution |
| 2487 | Remove Nodes From Linked List | 🟡 | solution |
| 2490 | Circular Sentence | 🟢 | solution |
| 2491 | Divide Players Into Teams of Equal Skill | 🟡 | solution |
| 2496 | Maximum Value of a String in an Array | 🟢 | solution |
| 2500 | Delete Greatest Value in Each Row | 🟢 | solution |
| 2501 | Longest Square Streak in an Array | 🟡 | solution |
| 2502 | Design Memory Allocator | 🟡 | solution |
| 2506 | Count Pairs Of Similar Strings | 🟢 | solution |
| 2507 | Smallest Value After Replacing With Sum of Prime Factors | 🟡 | solution |
| 2515 | Shortest Distance to Target String in a Circular Array | 🟢 | solution |
| 2520 | Count the Digits That Divide a Number | 🟢 | solution |
| 2521 | Distinct Prime Factors of Product of Array | 🟡 | solution |
| 2523 | Closest Prime Numbers in Range | 🟡 | solution |
 Sahil K. 💬 |
 Aaryan Chaudhari 💬 |
 Nirupama R. 💬 |
 SHashank B. 💬 |
 Yash L. 💬 |