STL - Vector迭代器简单应用之计算元素和

Description

用vector向量容器装入10个整数，然后，使用迭代器iterator和accumulate算法统计出这10个元素的和

Solution

 #include "stdafx.h"
 #include "vector"
 #include "iostream"
 #include "numeric"        //'accumulate' needs it
 using namespace std;

 int _tmain(int argc, _TCHAR* argv[])
 {
     vector<int> vint;
     //初始化vector
     for (int i=; i<; i++)
     {
         vint.push_back(i);
     }

     //使用迭代器
     vector<int>::iterator iter;
     for (iter = vint.begin(); iter != vint.end(); iter++)
     {
         cout << *iter << " ";            //need * before iter
     }

     cout << endl;
     int sum = accumulate(vint.begin(), vint.end(), );
     cout << "sum=" << sum << endl;
     return ;
 }