#include <iostream>
using namespace std;
int main()
{
int mc[10][10], nl, nc, i, j, l1, l2, aux;
cout<<"numarul de linii? ";
cin>>nl;
cout<<"numarul de coloane? ";
cin>>nc;
for(i=1; i<=nl; i++)
for(j=1; j<=nc; j++)
mc[i][j]=i*10+j;
cout<<endl;
cout<<"matricea de control:";
cout<<endl<<endl;
for(i=1; i<=nl; i++){
for(j=1; j<=nc; j++)
cout<<mc[i][j]<<" ";
cout<<endl;
}
cout<<endl;
cout<<"l1 = ? "; cin>>l1;
cout<<"l2 = ? "; cin>>l2;
for(j=1; j<=nc; j++){
aux=mc[l1][j];
mc[l1][j]=mc[l2][j];
mc[l2][j]=aux;
}
cout<<endl;
cout<<"matricea modificata:";
cout<<endl<<endl;
for(i=1; i<=nl; i++){
for(j=1; j<=nc; j++)
cout<<mc[i][j]<<" ";
cout<<endl;
}
for(j=1; j<=nc; j++){
aux=mc[l1][j];
mc[l1][j]=mc[l2][j];
mc[l2][j]=aux;
}
return 0;
}
