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LeetCode:Remove Duplicates from Sorted Array

时间:2016-05-12 11:38:14      阅读:148      评论:0      收藏:0      [点我收藏+]

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Remove Duplicates from Sorted Array


Total Accepted: 129608 Total Submissions: 386064 Difficulty: Easy

Given a sorted array, remove the duplicates in place such that each element appear only once and return the new length.

Do not allocate extra space for another array, you must do this in place with constant memory.

For example,
Given input array nums = [1,1,2],

Your function should return length = 2, with the first two elements of nums being 1 and 2 respectively. 

It doesn‘t matter what you leave beyond the new length.

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c++ code:

class Solution {
public:
    int removeDuplicates(vector<int>& nums) {
        int len = nums.size();
        if(0==len) return 0;
        int cnt=1;
        for(int i=1;i<len;i++)
            if(nums[i]!=nums[i-1]) nums[cnt++] = nums[i];
        return cnt;
    }
};


LeetCode:Remove Duplicates from Sorted Array

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原文地址:http://blog.csdn.net/itismelzp/article/details/51378088

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