Write down C program to check the given number format is in binary or not?

Question

C program to check the given number format is in binary or not.

Answer 1

#include<stdio.h> #include<conio.h> int main() { int j,num; printf("Please enter a number :"); scanf("%d",&num); while(num>0) { j=num%10; if( j!=0 && j!=1 ) { printf("num is not binary"); break; } num=num/10; if(num==0) { printf("num is binary"); } } getch(); }