| Emoji | Description |
|---|---|
| π | Easily Solved |
| π³ | Solved after more than 30 minutes |
| π₯΅ | Solved after more than two hours, but finally I solved it |
| πΊ | Please Google help me |
| Problem | Difficulty | Leetcode Link | Solution Link |
|---|---|---|---|
| Two Sum | π | π | π‘ |
| Add Two Numbers | π³ | π | π‘ |
| Longest Substring without Repeating Characters | π₯΅ | π | π‘ |
| Median of Two Sorted Arrays | π | π | π‘ |
| Longest Palindromic Substring | π₯΅ | π | π‘ |
| ZigZag Conversion | π³ | π | π‘ |
| Reverse Integer | π | π | π‘ |
| Palindrome Number | π | π | π‘ |
| Remove Vowels from a String | π | π | π‘ |
| Running Sum of 1d Array | π | π | π‘ |
| Defanging an IP Adress | π | π | π‘ |
| Richest Customer Wealth | π | π | π‘ |
| Kids With the Greatest Number of Candies | π | π | π‘ |
| Shuffle the Array | π | π | π‘ |
| Number of Good Pairs | π | π | π‘ |
| Jewels and Stones | π | π | π‘ |
| Design Parking System | π | π | π‘ |
| Range Sum of BST | π | π | π‘ |
| Robot Bounded In Circle | π³ | π | π‘ |
| LRU Cache | π³ | π | π‘ |
| Best Time to Buy and Sell Stock | π | π | π‘ |
| Best Valid Parentheses | π | π | π‘ |
| Reverse Linked List | π | π | π‘ |
| Add Strings | π | π | π‘ |
| Maximum Subarray | π³ | π | π‘ |
| Degree of an Array | π | π | π‘ |
| Group Anagrams | π | π | π‘ |
| Sign of the Product of an Array | π | π | π‘ |
| Reverse String | π | π | π‘ |
| Maximum Depth of Binary Tree | π | π | π‘ |
| Delete Node in a Linked List | π | π | π‘ |
| Decompress Run-Length Encoded List | π | π | π‘ |
| How Many Numbers Are Smaller Than the Current Number | π | π | π‘ |
| Convert Binary Number in a Linked List to Integer | π | π | π‘ |
| Number of Islands | π | π | π‘ |
| Merge Intervals | π³ | π | π‘ |
| Trapping Rain Water | π³ | π | π‘ |
| Product of Array Except Self | π | π | π‘ |
| Subdomain Visit Count | π | π | π‘ |
| Verifying an Alien Dictionary | π | π | π‘ |
| Merge Sorted Array | π | π | π‘ |
| Longest Common Prefix | π | π | π‘ |
| Design HashMap | π | π | π‘ |
| Fizz Buzz | π | π | π‘ |
| Valid Palindrome II | π | π | π‘ |
| Merge Two Sorted Lists | π | π | π‘ |
| N-ary Tree Preorder Traversal | π | π | π‘ |
| Generate Parentheses | π | π | π‘ |
| Minimum Absolute Difference in BST | π | π | π‘ |
| Hamming Distance | π | π | π‘ |
| Climbing Stairs | π | π | π‘ |
| Middle of the Linked List | π | π | π‘ |
| Single Number | π | π | π‘ |
| Binary Tree Level Order Traversal II | π | π | π‘ |
| Binary Tree Inorder Traversal | π | π | π‘ |
| Possible Bipartition | π | π | π‘ |
| Top K Frequent Words | π³ | π | π‘ |
| Minimum Path Sum | π | π | π‘ |
| Sum of Left Leaves | π | π | π‘ |
| Majority Element | π | π | π‘ |
| Happy Number | π | π | π‘ |
| Min Stack | π | π | π‘ |
| Same Tree | π | π | π‘ |
| Symmetric Tree | π | π | π‘ |
| Add Binary | π | π | π‘ |
| Invert Binary Tree | π | π | π‘ |
| Shortest Word Distance | π | π | π‘ |
| Is Subsequence | π | π | π‘ |
| Longest Palindrome | π | π | π‘ |
| First Unique Character in a String | π | π | π‘ |
| Ransom Note | π | π | π‘ |
| Contains Duplicate | π | π | π‘ |
| Contains Duplicate II | π | π | π‘ |
| Maximum Units on a Truck | π | π | π‘ |
| Factorial Trailing Zeroes | π | π | π‘ |
| Path Sum | π | π | π‘ |
| Remove Duplicates from Sorted Array | π | π | π‘ |
| Rotate Array | π³ | π | π‘ |
| Intersection of Two Arrays II | π | π | π‘ |
| Plus One | π | π | π‘ |
| Move Zeroes | π | π | π‘ |
| Valid Anagram | π | π | π‘ |
| Valid Palindrome | π | π | π‘ |
| Implement strStr() | π | π | π‘ |
| Count and Say | π | π | π‘ |
| Binary Tree Preorder Traversal | π | π | π‘ |
| Binary Tree Level Order Traversal | π | π | π‘ |
| Problem | Difficulty | Leetcode Link | Solution Link | | CamelCase | π | π | π‘ | Compare the Triplets | π | π | π‘
| Problem | Difficulty | Leetcode Link | Solution Link |
|---|---|---|---|
| BinaryGap | π | π | π‘ |
| CyclicRotation | π | π | π‘ |
| OddOccurrencesInArray | π | π | π‘ |
| FrogJmp | π | π | π‘ |
| PermMissingElem | π | π | π‘ |
| TapeEquilibrium | π | π | π‘ |
| FrogRiverOne | π | π | π‘ |
| MaxCounters | π | π | π‘ |
| MissingInteger | π | π | π‘ |
| PermCheck | π | π | π‘ |
| CountDiv | π | π | π‘ |
| MinAvgTwoSlice | πΊ | π | π‘ |
| PassingCars | π | π | π‘ |
| Distinct | π | π | π‘ |
| MaxProductOfThree | π³ | π | π‘ |
| Brackets | π | π | π‘ |
| Fish | π | π | π‘ |
| Nesting | π | π | π‘ |
| Dominator | π | π | π‘ |