源码文件 mysum.cpp
1 #include <iostream> 2 3 int main() 4 { 5 int sum = 0, value = 0; 6 7 // 读取所有输入的数据,并计算他们的和 8 while (std::cin >> value) 9 sum += value; // 等价于 sum = sum + value 10 11 std::cout << "Sum is: " << sum << std::endl; 12 return 0; 13 }
运行视频https://www.bilibili.com/video/av82026009/