Exercise 5.2

#include<iostream>int main(){    using namespace std;    int m;    int n = 0;    cout << "请输入一个整数（0结束）:";    while(cin >> m && m != 0){        n += m;        cout << "目前为止，所有输入整数的和为：" << n << endl;        cout << "请输入一个整数（0结束）:";    }    cout << endl;    return 0;}