a1_p5.c.save

#include <stdio.h>

int main()
{
    unsigned int c;
    long int x=0;
    scanf("%ud",&c);
    printf("The decimal representation is: %d\n",c);
    printf("The backwards binary representation is: ");
    while(c){
        x<<=1;
        x|=c&1;
        c>>=1;
        printf("%ld",x&1);
    }
    printf("\n");
    return 0;
}