LeetCode之Remove Duplicates from Sorted Array

http://oj.leetcode.com/problems/remove-duplicates-from-sorted-array/

题目要求删除数组中的重复元素，AC的思路依然是快慢双指针思想。

class Solution {
public:
    int removeDuplicates(int A[], int n) {
        int start_pos = 0;
        for(int i = 0; i < n; i++) {
            if(i+1 >= n || A[i] != A[i+1]) {
                A[start_pos++] = A[i];
            }
        }
        return start_pos;
    }
};