Tag: a-array

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

• LeetCode 442 Find All Duplicates in an Array

  17 Sep, 2026

  Solutions for LeetCode 442, medium, tags: array, hash table.

• LeetCode 2962 Count Subarrays Where Max Element Appears at Least K Times

  16 Sep, 2026

  Solutions for LeetCode 2962, medium, tags: array, sliding window, binary search.

• LeetCode 309 Best Time to Buy and Sell Stock with Cooldown

  2 Sep, 2026

  Solutions for LeetCode 309, medium, tags: array, dynamic programming.

• LeetCode 120 Triangle

  1 Sep, 2026

  Solutions for LeetCode 120, medium, tags: array, dynamic programming.

• LeetCode 40 Combination Sum II

  31 Aug, 2026

  Solutions for LeetCode 40, medium, tags: array, backtracking, sorting.

• LeetCode 2251 Number of Flowers in Full Bloom

  28 Aug, 2026

  Solutions for LeetCode 2251, hard, tags: array, binary search, sorting, prefix sum, ordered set.