Pwc
7 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 1. Two Sum | Easy | 100% | TopicsArrayHash Table |
| 14. Longest Common Prefix | Easy | 83.2% | TopicsArrayStringTrie |
| 13. Roman to Integer | Easy | 73.4% | TopicsHash TableMathString |
| Next Permutation | Medium | 73.4% | TopicsArrayTwo Pointers |
| 3. Longest Substring Without Repeating Characters | Medium | 73.4% | TopicsHash TableStringSliding Window |
| 678. Valid Parenthesis String | Medium | 73.4% | TopicsStringDynamic ProgrammingStackGreedyBracket Sequences |
| 125. Valid Palindrome | Easy | 73.4% | TopicsTwo PointersString |
