Using: Arrays, Hash Table, LinkedList, Binary Search, Dynamic Programming, Stack , Heap, reedy, Sort, Tree DFS, BFS, Graph, Binary Search Tree, Recursion, Memoization, Queue ,Map, etc.
My current statistic
| problems | Solutions | From |
|---|---|---|
| Add Two Numbers | Java | LeetCode Online Judge |
| Longest Substring Without Repeating Characters | Java | LeetCode Online Judge |
| ZigZag Conversion | Java | LeetCode Online Judge |
| Reverse Integer | Java | LeetCode Online Judge |
| String to Integer (atoi) | Java | LeetCode Online Judge |
| Palindrome Number | Java | LeetCode Online Judge |
| Longest Palindromic Substring | Java | LeetCode Online Judge |
| Roman to Integer | Java | LeetCode Online Judge |
| Longest Common Prefix | Java | LeetCode Online Judge |
| Word Ladder | Java | LeetCode Online Judge |
| Valid Parentheses | Java | LeetCode Online Judge |
| Merge Two Sorted Lists | Java | LeetCode Online Judge |
| Container With Most Water | Java | LeetCode Online Judge |
| Remove Duplicates from Sorted Array | Java | LeetCode Online Judge |
| Remove Element | Java | LeetCode Online Judge |
| Same Tree | Java | LeetCode Online Judge |
| Symmetric Tree | Java | LeetCode Online Judge |
| 3Sum Closest | Java | LeetCode Online Judge |
| Sort Characters By Frequency | Java | LeetCode Online Judge |
| Kill Process | Java | LeetCode Online Judge |
| Isomorphic Strings | Java | LeetCode Online Judge |
| Intersection of Two Arrays | Java | LeetCode Online Judge |
| Palindrome Linked List | Java | LeetCode Online Judge |
| Minimum Absolute Difference in BST | Java | LeetCode Online Judge |
| Min Stack | Java | LeetCode Online Judge |
| Implement Stack using Queues | Java | LeetCode Online Judge |
| Search Insert Position | Java | LeetCode Online Judge |
| Sum of Left Leaves | Java | LeetCode Online Judge |
| Maximum Depth of Binary Tree | Java | LeetCode Online Judge |
| Java | LeetCode Online Judge | |
| Java | LeetCode Online Judge | |
| Java | LeetCode Online Judge | |
| Java | LeetCode Online Judge | |
| Java | LeetCode Online Judge |