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283. Move Zeroes
每次答案都比我写的简洁！
Given an array nums, write a function to move all `0’s to the end of it while maintaining the relative order of the non-zero elements.
Example:
Input:Output:[0,1,0,3,12][1,3,12,0,0]
Note:
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You must do this in-place without making a copy of the array.
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Minimize the total number of operations.
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/**
* Runtime: 0 ms, faster than 100.00% of Java online submissions for Move Zeroes.
*
* Memory Usage: 38 MB, less than 93.01% of Java online submissions for Move Zeroes.
*/
public void moveZeroes(int[] nums) {
int count = 0;
for (int i = 0; i < nums.length; i++) {
if (nums[i] == 0) {
count++;
continue;
}
nums[i - count] = nums[i];
}
for (int i = nums.length - count; i < nums.length; i++) {
nums[i] = 0;
}
}