#include <iostream>
using namespace std;
int main()
{
float sum;
int st=3,sub=3;
float score[st][sub+2]=
{{86,92,57},{96,98,81},
{91,40,92}};
int r, c;
for(r=0;r<st;r++) {
sum=0;
for(c=0;c<sub;c++)
sum=sum+score[r][c];
score[r][sub]=sum;
score[r][sub+1]=sum/sub;
}
cout<<"num\tCHI\tENG\tMATH"<<endl;
for(r=0;r<st;r++){
cout<<r+1<<"\t";
for(c=0;c<sub+2;c++)
cout<<score[r][c]<<"\t";
cout<<endl;
}
// your code goes here
return 0;
}
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