| Name | Mode |
|---|---|
| Two Sum | Easy |
| Contains Duplicate | Easy |
| Valid Anagram | Easy |
| Roman To Integer | Easy |
| Longest Common Prefix | Easy |
| Majority Element | Easy |
| Length Of Last Word | Easy |
| Plus One | Easy |
| Merge Sort | Easy |
| Group Anagrams | Medium |
| Maximum Sub Array | Medium |
| Name | Mode |
|---|---|
| Best Time To Buy and Sell Stock | Easy |
| Name | Mode |
|---|---|
| Valid Parentheses | Easy |
| Min Stack | Medium |
| Evaluate Reverse Polish Notation | Medium |
| Generate Parentheses | Medium |
| Name | Mode |
|---|---|
| Binary Search | Easy |
| Search 2D Matrix | Medium |
| Name | Mode |
|---|---|
| Reverse Linked List | Easy |
| Remove Dup From List | Easy |
| Merge Two Sorted List | Easy |
| Linked List Cycle | Easy |
| Name | Mode |
|---|---|
| Valid Palindrome | Easy |
| Reverse String | Easy |
| First Bad Version | Easy |
| Palindrome Number | Easy |
| Remove Element | Easy |
| First Occurrence In Str | Easy |
| Search Insert Position | Easy |
| Two Sum II | Medium |
| Rotate Image | Medium |
| Name | Mode |
|---|---|
| Invert Binary Tree | Easy |
| Preorder Traversal | Easy |
| Is Same Tree | Easy |
| Maximum Depth OfTree | Easy |
| Is Sub Tree | Easy |
| Name | Mode |
|---|---|
| Kth Largest Element In Steam | Easy |
| Name | Mode |
|---|---|
| Tri | Meduim |