Program to display diamond triangle of numbers

#include <stdio.h>
#include <conio.h>

void main(){
     int i,j,k,num;
     clrscr();
     printf(\"*****DIGIT TRIANGLE*****\\n\");
     printf(\"Enter number : \");
     scanf(\"%d\",&num);
     for(i=1;i<=num;i++){
     for(k=num;k>=i;k--)
         printf(\"%c\",\' \');
     for(j=1;j<=i;j++)
             printf(\"%3d\",i);
         printf(\"\\n\");
      }

getch();
}