解法一
class Solution {
public:
void moveZeroes(vector<int>& nums) {
int left = 0, right = 0;
while (right < nums.size()) {
if (nums[right]) {
swap(nums[left++], nums[right]);
}
right++;
}
}
};
解法二
class Solution {
public:
void moveZeroes(vector<int> &nums) {
int n = nums.size();
int l=0, r=0;
while(r<n){
if(nums[l]!=0) l++;
else if(nums[r]!=0) swap(nums[l++], nums[r]);
r++;
}
}
};