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RemoveElement.cpp

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/**

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.

*/

class Solution {

public:

int removeElement(int A[], int n, int elem) {

int i = 0;

for (int j = 0; j < n; ++j) {

if (A[j] != elem) {

A[i++] = A[j];

}

}

return i;

}

};