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题目要求：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.
代码如下：
class Solution { public: int removeElement(int A[], int n, int elem) { if(n == 0) return 0; int index = 0; for(int i = 0; i < n; i++){ if(A[i] != elem) A[index++] = A[i]; } return index; } };
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原文地址：http://www.cnblogs.com/510602159-Yano/p/4278997.html
