LeetCode

 26. Remove Duplicates from Sorted Array

Problem's Link

 ----------------------------------------------------------------------------

Mean: 

数组去重.

analyse:

略

Time complexity: O(N)

 

view code

/**
* -----------------------------------------------------------------
* Copyright (c) 2016 crazyacking.All rights reserved.
* -----------------------------------------------------------------
*       Author: crazyacking
*       Date  : 2016-02-19-15.57
*/
#include <queue>
#include <cstdio>
#include <set>
#include <string>
#include <stack>
#include <cmath>
#include <climits>
#include <map>
#include <cstdlib>
#include <iostream>
#include <vector>
#include <algorithm>
#include <cstring>
using namespace std;
typedef long long(LL);
typedef unsigned long long(ULL);
const double eps(1e-8);

class Solution
{
public:
   int removeDuplicates(vector<int>& nums)
   {
       auto endPtr=unique(nums.begin(),nums.end());
       return (endPtr-nums.begin());
   }
};

int main()
{
   Solution solution;
   int n;
   while(cin>>n)
   {
       vector<int> ve;
       for(int i=0;i<n;++i)
       {
           int tmp;
           cin>>tmp;
           ve.push_back(tmp);
       }
       cout<<solution.removeDuplicates(ve)<<endl;
   }
   return 0;
}
/*

*/