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283. move zeroes

admin 11月 12, 2020 0

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.

For example, given nums = [0, 1, 0, 3, 12], after calling >your function, nums should be [1, 3, 12, 0, 0].

题意：

给一组数，把0都移动到数组后方。

class Solution {
public:
    void (vector<int>& nums) {
        int pos = 0;
        for (int i = 0; i < nums.size(); i++)
        {
            if (nums[i] != 0)
                nums[pos++] = nums[i];
        }
        
        for (int i = pos; i < nums.size(); i++)
            nums[i] = 0;
    }
};