Sexy Bits

//
//  main.c
//  first_program
//
//  Created by Rodrigo Garcia on 1/18/13.
//  Copyright (c) 2013 Rodrigo Garcia. All rights reserved.
//

#include <stdio.h>

int main(int argc, const char * argv[])
{

    int upper = 2147483647;
    
    for(int i = 31 ; i >= 0 ; i--){
        int test = (int) pow(2,i);
        int bit =(upper & test);
        printf("%c",(bit == 0? '0':'1'));
        if(0 == (i % 8) && i > 0){
            printf("-");
        }
    }
    
    unsigned int upperU = (unsigned int) upper;
    printf("\n");
    printf("upper as 'int' = %d \n",upper);
    printf("upper as 'unsigned int' = %d \n",upperU);
    return 0;
}