C++ 代码
#include <bits/stdc++.h>
using namespace std;
int main()
{
int c;
char t;
double q[12][12];
cin>>c>>t;
for (int i=0; i<12; i++)
for (int j=0; j<12; j++)
cin>>q[i][j];
double s=0;
for (int i=0; i<12; i++) s+=q[i][c];
if (t=='S') printf("%.1lf\n",s);
else printf("%.1lf\n",s/12);
return 0;
}