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- #include <iostream>
- #include <vector>
- #include <algorithm>
- #include <cstdlib>
- #include <ctime>
- #include <string>
- using namespace std;
- long int pot(long int podstawa, int wykladnik)
- {
- int wynik = 1;
- for (int i = 0; i<wykladnik; i++)
- wynik*=podstawa;
- return wynik;
- }
- int main() {
- cout << "Wpisz liczbę";
- string a;
- cin >> a;
- int suma = 0;
- vector < int > tab;
- for(int i=0; i<a.size();i++){
- if(a[i] == '0') tab.push_back(0);
- if(a[i] == '1') tab.push_back(1);
- }
- for(int i=0; i<tab.size();i++) {
- suma+=tab[a.size()-1-i]*pot(2, i);
- }
- cout << suma;
- }
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