bitwiseor.c

#include<stdio.h>

int main(){

    int a, b,ans, binary[100], i;
    scanf("%d %d", &a, &b);
    ans = a | b;

    for (i = 0; ans > 0; i++)
    {
        binary[i] = ans % 2;
        ans = ans/2;
    }

    for (i = i - 1; i >= 0; i--)
    {
        printf("%d", binary[i]);
    }

    return 0;

}