简单的c ++程序

Question

你能告诉我错误在哪里以及为什么当我执行程序时会显示随机数？

#include <iostream>
using namespace std;
int main() {
    int total;

    cout << "Please enter a number: ";
    double x1;
    cin >> x1;
    total = total + x1;

    cout << "total: " << total << endl;
    cout << "Please enter a number: ";

    double x2;
    cin >> x2;
    total = total + x2;
    cout << "total: " << total << endl;

    total = total / 2;
    cout << "total: " << total << endl;
    cout << "The average is " << total << endl;
    return 0;
}

Answer 1

变量total未初始化。必须在使用之前先将其初始化，如下所示：

int total = 0;