Answer :

#include<stdio.h>

int main ()

{

int num,num1,num2=0,num3,i;

printf("Enter the decimal numer to convert into binary number : ");

scanf("%d",&num);

while (num!=0)

{

num3=num%2; 

num=num/2;

num2=num2+num3*i;

i=i*10;

}

printf("Binary number is %d",num2);

}

Output :