snippets/c++/josephus/josephus.cpp
2016-04-26 10:05:35 +02:00

47 lines
798 B
C++

#include <iostream>
#include <cstdlib>
#include "josephus.h"
int main(int argc, char *argv[]) {
std::cout << "Berechne das Jospehus Problem mit " << atoi(argv[1]) << " Personen und einer Schrittweite von " << atoi(argv[2]) << std::endl;
Josephus josephus(atoi(argv[1]), atoi(argv[2]));
std::cout << "Überlebender: " << josephus.surviver() << std::endl;
return EXIT_SUCCESS;
}
Josephus::Josephus(int n, int k) {
if (n >= 2)
this->n = n;
else
exit(1);
if (k >= 2)
this->k = k;
else
exit(1);
for (int i = 0; i < n; i++)
people.push_back(i + 1);
}
int Josephus::surviver() {
int i = 0;
while (people.size() > 1) {
int temp = people[0];
people.pop_front();
i++;
if (i >= k) {
i = 0;
}
else {
people.push_back(temp);
}
}
return people[0];
}