matrix addition in cpp

#include<iostream.h> #include<conio.h> main() { clrscr(); int m[3][3],n[3][3],o[3][3]; for (int i=0;i<=2;i++) // m input { for (int j=0;j<=2;j++) { cout <<"enter matrix elements"; cin >> m[i][j]; } } for (i=0;i<=2;i++) //…