Remove Element

Given an array and a value, remove all instances of that value in place and return the new length.
The order of elements can be changed. It doesn't matter what you leave beyond the new length.

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class Solution {
public:
int removeElement(vector<int>& nums, int val) {
vector<int>::iterator iter;
//vector<int>::iterator iter2;
for(iter = nums.begin();iter!=nums.end();){
if(*iter==val){
iter = nums.erase(iter);

}else
iter++;

}
return nums.size();
}

};

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