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Given an array nums of integers, a move consists of choosing any
element and decreasing it by 1.
An array A is a zigzag array if either:
- Every even-indexed element is greater than adjacent elements, ie.
A[0] >
A[1] < A[2] > A[3] < A[4] > ...
- OR, every odd-indexed element is greater than adjacent elements, ie.
A[0]
< A[1] > A[2] < A[3] > A[4] < ...
Return the minimum number of moves to transform the given array nums into a
zigzag array.
Example 1:
Input: nums = [1,2,3]
Output: 2
Explanation: We can decrease 2 to 0 or 3 to 1.
Example 2:
Input: nums = [9,6,1,6,2]
Output: 4
Constraints:
1 <= nums.length <= 10001 <= nums[i] <= 1000
Difficulty:
Medium
Lock:
Normal
All contents and pictures on this website come from the Internet and are updated regularly every week. They are for personal study and research only, and should not be used for commercial purposes. Thank you for your cooperation.