leetcode练习记录
Num | Title | Java | Python | Difficulty |
---|---|---|---|---|
232 | Implement Queue using Stacks | √ | x | ★ |
226 | Invert Binary Tree | × | √ | ★ |
225 | Implement Stack using Queues | × | √ | ★★ |
219 | Contains Duplicate II | × | √ | ★ |
217 | Contains Duplicate | × | √ | ★ |
206 | Reverse Linked List | × | √ | ★ |
205 | Isomorphic Strings | × | √ | ★ |
179 | Largest Number | × | √ | ★★ |
174 | Dungeon Game | × | √ | ★★★ |
172 | Factorial Trailing Zeroes | × | √ | ★ |
151 | Reverse Words in a String | × | √ | ★★ |
150 | Evaluate Reverse Polish Notation | × | √ | ★★ |
141 | Linked List Cycle | √ | × | ★★ |
125 | Valid Palindrome | × | √ | ★ |
118 | Pascal's Triangle | √ | × | ★ |
88 | Merge Sorted Array | × | √ | ★ |
69 | Sqrt(x) | √ | √ | ★★ |
2 | Add Two Numbers | × | √ | ★★ |
1 | Two Sum | × | √ | ★★ |
Difficulty: Easy = ★ Medium = ★★ Hard = ★★★