Leetcode 27 Remove Element STL
和remove zero类似的方法完成该题
class Solution {
public:
int removeElement(vector<int>& nums, int val) {
vector<int>::size_type j = ;
for(vector<int>::size_type i = ; i < nums.size(); ++i){
if(nums[i] != val) nums[j++] = nums[i];
}
return j;
}
};
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