POJ Financial Management

Financial Management

 

 

 

 思路：一道水题，循环求和然后除以12即可，注意格式。

代码：

#include<iostream>

using namespace std;

int main(){

    double sum = 0.0;
    for (int i = 0; i < 12; i++){
        double num = 0;
        cin >> num;
        sum = sum + num;
    }
    printf("$%0.2lf", sum/12);
    system("pause");
    return 0;
}