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LIFO structure for matching, parsing, and monotonic patterns
1 Easy3 Medium1 Hard
All Problems
| # | Problem | Difficulty |
|---|---|---|
| 20 | Valid Parentheses | Easy |
| 155 | Min Stack | Medium |
| 150 | Evaluate Reverse Polish Notation | Medium |
| 739 | Daily Temperatures | Medium |
| 84 | Largest Rectangle in Histogram | Hard |