题目描述

和745的条件相反

样例

#include<stdio.h>

int main()
{
    double M[12][12], sum = 0;
    char A;
    scanf(" %c", &A);
    for(int i = 0; i < 12; i ++)
    {
        for (int j = 0; j < 12; j ++)
        {   
            scanf("%lf", &M[i][j]);
            if(j < i)
                sum = sum + M[i][j];
        }
    }
    if(A =='S')
        printf("%.1lf",sum);
    else 
        printf("%.1lf",sum/66.0);

    return 0;
}