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45 lines (36 loc) · 923 Bytes
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Copy path1182.cpp
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45 lines (36 loc) · 923 Bytes
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#include <bits/stdc++.h>
using namespace std;
int main() {
int n;
char w;
cin>>n;
cin>>w;
double sum=0;
double avg=0;
double arr[12][12];
for(int i=0;i<12;i++)
{
for(int j=0;j<12;j++)
{
cin>>arr[i][j];
}
}
if(w=='S')
{
for(int j=0;j<12;j++)
{
sum+=arr[j][n];
}
cout<<showpoint<<fixed<<setprecision(1)<<sum<<endl;
}
else if(w=='M')
{
for(int j=0;j<12;j++)
{
sum+=arr[j][n];
}
avg=sum/12;
cout<<showpoint<<fixed<<setprecision(1)<<avg<<endl;
}
return 0;
}