#include <iostream>
using namespace std;
int main()
{
    //取模运算，就是求余数，运算符%
    int a = 10;
    int b = 3;
    cout << a % b << endl;

    int a2 = 10;
    int b2 = 20;
    cout << a2 % b2 << endl;//结果为10；

    int a3 = 10;
    int b3 = 0;
    //cout << a3 % b3 << endl;//除数不能是0；


    //两个小数不能做取模运算
    double d1 = 3.14;
    double d2 = 1.2;
    //cout<<d1%d2<<endl;必须是整数

    system("pause");
    return 0;
}