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Kotlin-based LeetCode algorithm problem solutions, regularly updated
962\. Maximum Width Ramp
Medium
A **ramp** in an integer array `nums` is a pair `(i, j)` for which `i < j` and `nums[i] <= nums[j]`. The **width** of such a ramp is `j - i`.
Given an integer array `nums`, return _the maximum width of a **ramp** in_ `nums`. If there is no **ramp** in `nums`, return `0`.
**Example 1:**
**Input:** nums = [6,0,8,2,1,5]
**Output:** 4
**Explanation:** The maximum width ramp is achieved at (i, j) = (1, 5): nums[1] = 0 and nums[5] = 5.
**Example 2:**
**Input:** nums = [9,8,1,0,1,9,4,0,4,1]
**Output:** 7
**Explanation:** The maximum width ramp is achieved at (i, j) = (2, 9): nums[2] = 1 and nums[9] = 1.
**Constraints:**
* 2 <= nums.length <= 5 * 104
* 0 <= nums[i] <= 5 * 104