Explain the codes (Step-by-step) below: Code: #include using namespace std; int main() { //declare required variables int rows, columns,i,j; int original[5][5],diagonal[5][5]; cout < columns; //read

Explain the codes (Step-by-step) below:

Code:

#include using namespace std; int main() { //declare required variables int rows, columns,i,j; int original[5][5],diagonal[5][5]; cout<<"Principal Diagonal"<>rows; cout<<"Enter no. of columns : "; cin>>columns; //read matrix elements for( i=0;i>original[i][j]; } //print the original matrix cout<<" "; for( i=0;i