Count Strictly Increasing Subarrays - Video Solutions

MediumArrayMathDynamic Programming

LeetCode was HARD until I Learned these 15 Patterns

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Count Strictly Increasing Subarrays - Video Solution

Watch 10 video solutions for Count Strictly Increasing Subarrays, a medium level problem involving Array, Math, Dynamic Programming. This walkthrough by Ashish Pratap Singh has 1,002,241 views views. Want to try solving it yourself? Practice on FleetCode or read the detailed text solution.

Problem Statement

You are given an array nums consisting of positive integers.

Return the number of subarrays of nums that are in strictly increasing order.

A subarray is a contiguous part of an array.

Example 1:

Input: nums = [1,3,5,4,4,6]
Output: 10
Explanation: The strictly increasing subarrays are the following:
- Subarrays of length 1: [1], [3], [5], [4], [4], [6].
- Subarrays of length 2: [1,3], [3,5], [4,6].
- Subarrays of length 3: [1,3,5].
The total number of subarrays is 6 + 3 + 1 = 10.

Example 2:

Input: nums = [1,2,3,4,5]
Output: 15
Explanation: Every subarray is strictly increasing. There are 15 possible subarrays that we can take.

Constraints:

1 <= nums.length <= 10⁵
1 <= nums[i] <= 10⁶

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Problem Statement

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