1059.cpp

#include <stdio.h>
long long int get_from_addr(long long int* p){
    return *p;
}
char* itobs(long long int n, char *ps) {
    int size = 8 * sizeof(n);
    int i = size -1;   
    while(i+1) {
        ps[i--] = (1 & n) + '0';
        n >>= 1;
    }
    ps[size] = '\0';
    return ps;
}
int main(){
    double in;
    while(~scanf("%lf",&in)){
        double *p=&in;
        long long int n=get_from_addr((long long int *)p);
        char s[8 * sizeof(n) + 1];  
        printf("%s\n",itobs(n,s));
    }
}