Decimal To Binary Conversion

Program For Converting the Decimal to Binary Number

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

int main(){
    long int n,r,q;
    int binary[100],i=1,j;
    clrscr();
    printf("Enter any decimal number: ");
    scanf("%ld",&n);

    q = n;

    while(q!=0){
     binary[i++]= q % 2;
     q = q / 2;
    }

    printf("Equivalent binary value of decimal number %d: ",n);
    for(j = i -1 ;j> 0;j--)
     printf("%d",binary[j]);
  getch();
}