#include<iomanip.h>#include<iostream.h>#include<conio.h>int n,m,a[10][10],b[10][10],c[10][10],k,s,p;void main(){cout<<"n="; cin>>n;cout<<"m="; cin>>m;
int i,j;s=0;p=1;
for(i=0;i<n;i++)for(j=0;j<m;j++){cout<<"a["<<i+1<<"]["<<j+1<<"]=";cin>>a[i][j];}
for(i=0;i<n;i++){s+=a[i][i];p*=a[i][i];}
for(i=0;i<n;i++){for(j=0;j<m;j++)cout<<setw(4)<<a[i][j]<<" ";cout<<endl;}cout<<"suma "<<s<<endl;cout<<"produsul "<<p<<endl; }