Tournament Honestbee

tour.cpp

#include <iostream>
#include <vector>
using namespace  std;

int tour(int num_kid, int x)
{
	vector<int> v;
	for (int i=0; i<num_kid; i++) {
		v.push_back(i);
	}
	while(v.size() != 1)
	{
		int n = v.size();
		int pos = x%n - 1;
		if (pos < 0)
		{
			pos = n-1;
		}
		v.erase(v.begin() + pos);
	}

	return v[0];
}

int main()
{
	cout<<tour(5,4);
	return 0;
}