poj-1004 Financial Management

2019-11-28

1004 %. 2f自动四舍五入

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int i;
    double  money[12];
    double average,sum=0;
    for(i=0;i<12;i++)
    {
        scanf("%lf",&money[i]);
        sum+=money[i];
    }
    average=sum/12;
    printf("$ %.2lf",average);
    return 0;
}