atalakitas 1

#include <iostream>
#include <math.h>

using namespace std;

void ki(int t[],int n) {
    for (int i = 0; i < n; i++)
        cout << t[i];
}

void fordit(int t[], int n) {
    int temp;
    for (int  i = 0; i < n/2; i++) {
        temp = t[n - 1 - i];
        t[n - i - 1] = t[i];
        t[i] = temp;
    }
}

void dec_bin(float num) {
    float egesz = floor(num);
    float tizedes = num - egesz;
    int temp;

    int egesz_dec[1000] = {};
    int i = 0;

    while (egesz >= 1) {
        temp = egesz / 2;

        if ((floor(egesz)/2) - temp > 0) {
            egesz_dec[i++] = 1;
        }
        else {
            egesz_dec[i++] = 0;
        }

        egesz /= 2;
    }
    fordit(egesz_dec, i);

    int tizedes_dec[1000] = {};
    int j = 0;

    while (tizedes < 1) {
        tizedes *= 2;
        tizedes_dec[j++] = floor(tizedes);

        if (tizedes > 1) {
            tizedes = tizedes - floor(tizedes);
        }
    }
    ki(egesz_dec, i);
    cout << '.';
    ki(tizedes_dec, j);
}

int main()
{
    float valos = 0;
    cin >> valos;

    dec_bin(valos);
}