SOLUCIONES
LEETCODE.
Soluciones y análisis de dificultad Hard.
| Problema | Dificultad | Complejidad | Fecha |
|---|---|---|---|
| 0010 Regular Expression Matching | Hard | T: O(M * N) / S: O(M * N) | mar 2026 |
| 0032 Longest Valid Parentheses | Hard | T: O(N) / S: O(N) | mar 2026 |
| 0037 Sudoku Solver | Hard | T: O(9^M) donde M es el numero de celdas vacias / S: O(M) | mar 2026 |
| 0041 First Missing Positive | Hard | T: O(N) / S: O(1) | mar 2026 |
| 0042 Trapping Rain Water | Hard | T: O(N) / S: O(1) | mar 2026 |
| 0044 Wildcard Matching | Hard | T: O(M * N) / S: O(1) | mar 2026 |
| 0051 N-Queens | Hard | T: O(N!) / S: O(N) | mar 2026 |
| 0052 N-Queens II | Hard | T: O(N!) / S: O(1) | mar 2026 |
| 0060 Permutation Sequence | Hard | T: O(N^2) / S: O(N) | mar 2026 |
| 0065 Valid Number | Hard | T: O(N) / S: O(1) | mar 2026 |
| 0068 Text Justification | Hard | T: O(N) / S: O(N) | mar 2026 |
| 0076 Minimum Window Substring | Hard | T: O(N + M) / S: O(1) | mar 2026 |
| 0084 Largest Rectangle in Histogram | Hard | T: O(N) / S: O(N) | mar 2026 |
| 0085 Maximal Rectangle | Hard | T: O(R * C) / S: O(C) | mar 2026 |
| 0087 Scramble String | Hard | T: O(N^4) / S: O(N^3) | mar 2026 |
| 0115 Distinct Subsequences | Hard | T: O(M * N) / S: O(M) | mar 2026 |
| 0123 Best Time to Buy and Sell Stock III | Hard | T: O(N) / S: O(1) | mar 2026 |
| 0124 Binary Tree Maximum Path Sum | Hard | T: O(N) / S: O(H) | mar 2026 |
| 0126 Word Ladder II | Hard | T: O(N * M * 26) / S: O(N * M) | mar 2026 |
| 0127 Word Ladder | Hard | T: O(M^2 * N) / S: O(M^2 * N) | mar 2026 |