mediumArrayGreedyMonotonic StackStack 0 views
Make Array Non-decreasing
You are given an integer array nums.
You are given an integer array nums. In one operation, you can select a subarray and replace it with a single element equal to its maximum value.
Return the maximum possible size of the array after performing zero or more operations such that the resulting array is non-decreasing.
Example 1
Input: nums = [4,2,5,3,5]
Output: 3
Explanation: One way to achieve the maximum size is: The final array [4, 5, 5] is non-decreasing with size 3.
Example 2
Input: nums = [1,2,3]
Output: 3
Explanation: No operation is needed as the array [1,2,3] is already non-decreasing.
Constraints
- 1 <= nums.length <= 2 * 10^5
- 1 <= nums[i] <= 2 * 10^5
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