#include <stdio.h>
#include <stdlib.h>
#include <string.h>


typedef struct Binary {
  char sign;
  char exp[12];
  char precision[53];
} Binary;


// For transform the double to binary
Binary *dtob(double a) {
  long num = *(long *)&a;

  const int len = 64;
  char binary[len + 1];
  binary[64] = '\0';
  for (int i = 0; i < len; ++i) {
    binary[i] = (num & 1L) + '0';
    num >>= 1;
  }


  Binary *bin = (Binary *)malloc(sizeof(Binary));
  int i = 0, j = len - 1;
  while (i < j) {
    char temp = binary[i];
    binary[i] = binary[j];
    binary[j] = temp;

    i += 1;
    j -= 1;
  }

  bin->sign = binary[0];
  strncpy(bin->exp, binary + 1, 11);
  strcpy(bin->precision, binary + 12);
  return bin;
}

void getBinary(Binary *bin) {
  printf("Sign: %c\n", bin->sign);
  printf("Exp: %s\n", bin->exp);
  printf("Precision: %s\n", bin->precision);
}

int main () {
  double f;

  puts("输入你要转化成二进制的浮点数");
  scanf("%lf", &f);
  getBinary(dtob(f));
}