Question

c++. how to cout an array of numbers into rows of four?

Answer 1

A control loop like below will help get you started.

for (int i; i < array.length; i += 4) {
cout << a[i] << " " << a[i+1] << " " << a[i+2] << " " << a[i+3] << endl;
}

Answer 2

for(int i=1;i<n;i++){for(int j=0;j<5;j++){
cout<<mat[i][j]<<"\t";}
cout<<"\n"; }

Answer 3

perfecttt.