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U2 / 2
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#include <cstdio> | |
#include <iostream> | |
#include <bitset> | |
using namespace std; | |
string simple_2(unsigned long long int liczba){ | |
/* ta funkcja ucina niepotrzebne zera, tak, aby ciag byl ciagiem systemu dwojkowego (przyjmuje tylko liczby naturalne, w systemie 10-nym) */ | |
string binary = bitset<8>(liczba).to_string(); /* konwertujemy liczbe na binarna (o wielkosci 16 bitow) i zamieniamy w string (bo normalne liczby nie moga zaczynac sie od "0" :)) */ | |
string new_binary; | |
bool received = false; /* zmienna ktora definiuje, czy skonczylismy ucinac zera z poczatku */ | |
for (unsigned int x = 0; x < binary.length(); x++){ | |
if (binary[x] != '0' && !received ){ | |
new_binary += binary[x]; | |
received = true; | |
} | |
else if (received){ | |
new_binary += binary[x]; | |
} | |
} | |
return new_binary; | |
} | |
int main(int argc, char* argv[]){ | |
unsigned long long int liczba = 0; /* liczba naturalna ktora poda nam uzytkownik */ | |
cout << "Liczba calkowita (10): "; | |
cin >> liczba; | |
string binary = simple_2(liczba); | |
cout << liczba << " w (2): " << binary << endl; | |
return 0; | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include <cstdio> | |
#include <iostream> | |
#include <bitset> | |
using namespace std; | |
string simple_2(unsigned long long int liczba){ | |
/* ta funkcja ucina niepotrzebne zera, tak, aby ciag byl ciagiem systemu dwojkowego (przyjmuje tylko liczby naturalne, w systemie 10-nym) */ | |
string binary = bitset<8>(liczba).to_string(); /* konwertujemy liczbe na binarna (o wielkosci 16 bitow) i zamieniamy w string (bo normalne liczby nie moga zaczynac sie od "0" :)) */ | |
string new_binary; | |
bool received = false; /* zmienna ktora definiuje, czy skonczylismy ucinac zera z poczatku */ | |
for (unsigned int x = 0; x < binary.length(); x++){ | |
if (binary[x] != '0' && !received ){ | |
new_binary += binary[x]; | |
received = true; | |
} | |
else if (received){ | |
new_binary += binary[x]; | |
} | |
} | |
return new_binary; | |
} | |
string increment(string binary){ | |
/* ta funkcja zgodnie z algorytmem musi zwiekszyc modul z ciagu binarnego o jeden - wtedy uzyskamy ciag ktory jest rowny liczbie ujemnej w systemie dziesietnym */ | |
/* przyjmuje tylko odwrocony ciag binarny z funkcji u2 */ | |
bool next = true; | |
for (unsigned int x = binary.length() - 1; x > 0; x--){ | |
if (binary[x] == '1' && next == true){ | |
binary[x] = '0'; | |
next = true; | |
} | |
else if (binary[x] == '0' && next == true){ | |
binary[x] = '1'; | |
next = false; | |
} | |
} | |
return binary; | |
} | |
string flip(string binary){ | |
cout << "negujemy" << endl; | |
/* negujemy nasz ciag uzyskane z simple_2 - czyli odwracamy kazde zero na 1 i odwrotnie */ | |
for (unsigned int x = 0; x < binary.length(); x++){ | |
if (binary[x] == '0'){ | |
binary[x] = '1'; | |
} | |
else if (binary[x] == '1'){ | |
binary[x] = '0'; | |
} | |
cout << binary << endl; | |
} | |
return binary; | |
} | |
string u2(long long int liczba){ | |
string binary = simple_2(-(liczba)); | |
cout << "Liczba |" << liczba << "| w systemie (2): " << binary << endl; | |
binary = flip(binary); /* patrz opis funkcji flip */ | |
cout << "Zanegowany ciag: " << binary << endl; | |
binary = increment(binary); | |
cout << "Ciag powiekszony o 1: " << binary << endl; | |
return binary; | |
} | |
int main(int argc, char* argv[]){ | |
long long int liczba = 0; /* liczba ktora poda nam uzytkownik */ | |
cout << "Liczba calkowita (10): "; | |
cin >> liczba; | |
string binary; /* nasz ciag liczb w u2 / 2 */ | |
if (liczba >= 0){ binary = simple_2(liczba); } | |
else{ binary = u2(liczba); } | |
cout << liczba << " w systemie "; | |
if (liczba >= 0) cout << "2: " << binary << endl; | |
else cout << "U2: " << binary << endl; | |
return 0; | |
} |
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