code. compile. run. debug. share.
Source Code
Language
#include <iostream>
using namespace std;
int main()
{
int mc[30][30], n, i, j, l1, l2, c1, c2;
// citirea de la tastatura a dimensiunii matricei
cout<<"dimensiunea matricei: "; cin>>n;
// constructia matricei de control
for(i=1; i<=n; i++)
for(j=1; j<=n; j++)
mc[i][j]=i*10+j;
// afisarea matricei
cout<<endl;
for(i=1; i<=n; i++){
for(j=1; j<=n; j++)
cout<<mc[i][j]<<" ";
cout<<endl;
}
cout<<endl<<endl;
// zona dreptunghiulara
cout<<"l1=? "; cin>>l1;
cout<<"l2=? "; cin>>l2;
cout<<"c1=? "; cin>>c1;
cout<<"c2=? "; cin>>c2;
cout<<endl;
for(i=l1; i<=l2; i++){
for(j=c1; j<=c2; j++) cout<<mc[i][j]<<" ";
cout<<endl;
}
return 0;
}
Compiling Program...
Standard Input:
Interactive Console
Text
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