Tag: a-two-pointers

All the articles with the tag "a-two-pointers".

• LeetCode 15 3Sum

  19 Apr, 2026

  Solutions for LeetCode 15, medium, tags: array, two pointers, sorting, hash table.

• LeetCode 42 Trapping Rain Water

  13 Apr, 2026

  Solutions for LeetCode 42, hard, tags: array, two pointers, dynamic programming, stack, monotonic stack.

• LeetCode 532 LintCode 1187 K-diff Pairs in An Array

  17 Jan, 2025

  Solutions for LeetCode 532 LintCode 1187, medium, tags: array, hash table, counting, two-pointers, binary-search; companies: nvidia, amazon.

• LeetCode 713 LintCode 1075 Subarray Product Less Than K

  10 Dec, 2024

  Solutions for LeetCode 713 and LintCode 1075, medium, tags: sliding window, two pointers, prefix sum; companies: salesforce, yatra.

• LeetCode 1650 LintCode 474 Lowest Common Ancestor of a Binary Tree III

  9 Dec, 2024

  Solutions for LeetCode 1650 LintCode 474, medium, tags: binary tree, hash table, two pointers; companies: microsoft.

• LeetCode 408 LintCode 637 Valid Word Abbreviation

  9 Dec, 2024

  Solutions for LeetCode 408 LintCode 637, easy, tags: two pointers, string, companies: facebook, google.