Search⌘ K
AI Features

Number of Valid Subarrays

Understand how to solve problems involving counting contiguous subarrays where the first element is less than or equal to others, using stack data structures. This lesson guides you through identifying valid subarrays and implementing efficient solutions in JavaScript, enhancing your coding interview skills.

Statement

Given an integer array nums, count how many non-empty contiguous subarrays exist where the first element of each subarray is less than or equal to every other element within that subarray.

Note: A subarray is defined as a contiguous portion of an array.

Constraints:

  • 11 \leq ...