Practice Minimum Replacements to Sort the Array
Read the task, work through the examples, and check your approach against the constraints. Use the original LeetCode task for coding and submissions.
Problem Statement
You are given a 0-indexed integer array nums. In one operation you can replace any element of the array with any two elements that sum to it. Return the minimum number of operations to make an array that is sorted in non-decreasing order.
Source: Minimum Replacements to Sort the Array on LeetCode. Use the original task for its coding environment and submissions.
Examples
# Example 1
Input
nums = [3,9,3]
Output
2
# Example 2
Input
nums = [1,2,3,4,5]
Output
0
Constraints
1 <= nums.length <= 10^5
1 <= nums[i] <= 10^9
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