easyArrayPrefix SumSimulation 0 views
Make Array Elements Equal to Zero
You are given an integer array nums.
You are given an integer array nums.
Start by selecting a starting position curr such that nums[curr] == 0, and choose a movement direction of either left or right.
After that, you repeat the following process:
A selection of the initial position curr and movement direction is considered valid if every element in nums becomes 0 by the end of the process.
Return the number of possible valid selections.
Example 1
Input: nums = [1,0,2,0,3]
Output: 2
Explanation: The only possible valid selections are the following:
Example 2
Input: nums = [2,3,4,0,4,1,0]
Output: 0
Explanation: There are no possible valid selections.
Constraints
- 1 <= nums.length <= 100
- 0 <= nums[i] <= 100
- There is at least one element i where nums[i] == 0.
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