Tag: a-stack

All the articles with the tag "a-stack".

• LeetCode 150 Evaluate Reverse Polish Notation

  19 Jun, 2026

  Solutions for LeetCode 150, medium, tags: array, math, stack.

• LeetCode 71 Simplify Path

  16 Jun, 2026

  Solutions for LeetCode 71, medium, tags: string, stack.

• LeetCode 402 Remove K Digits

  8 Jun, 2026

  Solutions for LeetCode 402, medium, tags: string, stack, monotonic stack, greedy.

• LeetCode 1249 Minimum Remove to Make Valid Parentheses

  6 Jun, 2026

  Solutions for LeetCode 1249, medium, tags: string, stack.

• LeetCode 143 Reorder List

  11 May, 2026

  Solutions for LeetCode 143, medium, tags: linked list, two pointers, stack, recursion.

• LeetCode 84 Largest Rectangle in Histogram

  7 May, 2026

  Solutions for LeetCode 84, hard, tags: array, stack, monotonic stack.