Write a programm to check whether a matrix is upper triangular or lower trianglular?

#include<iOStream.h> #include<conio.h> # define n 10 void main( ) { int mat[n][n]; int d; // Input elements cout<< "\n Enter dimension of square matrix:"; cin >> d; for(int i = 0; i < d ; i++) for( int j = 0; j < d ; j++) {cout<<"\n Enter elements for "<< i+1 << "," << +1<"location :"; cin >> mat[i][j]; } clrscr(); //Print the array cout<<"\n The Original matrix : \n\n"; for( i = 0; i < d ; i++) {for( j = 0; j < d ; j++) cout<< mat[i][j]<<"\t"; cout<< "\n"; } //upper half of left diagonal..... cout<<"\n The Upper half of the matrix : \n\n"; for( i = 0; i < d ; i++) { for( j = 0; j < d ; j++) { if(i < j) cout << mat [i][j] << " " ; else cout << " " << " "; } cout << "\n "; } //lower half of left diagonal..... cout<<"\n The Lower half of the matrix : \n\n"; for( i = 0; i < d ; i++) { for( j = 0; j < d ; j++) { if(i > j) cout << mat [i][j] << " " ; else cout << " " << " "; } cout << "\n "; } getch ( ); }