Quality of life is not what you get but what you become

//---------------------------------------------------------------------------
#include <iostream>
//---------------------------------------------------------------------------
int total;     // 全部的組合
int current;   // 使用者現在輸入的數值
int counter;   // 迴圈計數器

int main(int argc, char* argv[])
{
        total = 0;
        for (counter = 0;counter < 5; counter++) {
          std::cout << "Number? ";

          std::cin >> current;
          total += current;
        }
        std::cout << "The grand total is " << total << '\n';
        std::system("pause");
        return 0;
}
//---------------------------------------------------------------------------


題目來源：C++風格與藝術 第二版 Steve Oualline 著 黃吉霈 編譯