Dev - C++ - URGENTE

#include <iostream>

using namespace std;

int circulo(int n, int m);

int main ()

{

    int n, m;

    cout << "\nNumero de personas: "; cin >> n;

    cout << "Numero m-esimo: "; cin >> m;

    cout << "\n\nLa solucion es: " << circulo(n, m) << endl;

    return 0;

}

int circulo(int n, int m)

{

    int personas[n];

    for(int i = 0; i < n; i++)

        personas[i] = i + 1;

    int k = 0, count = 0;

    while(k < n) {

        for(int i = 0; i < n; i++) {

            if(personas[i] != 0 ) count ++;

            if(count == m ) {

                count = 0;

                if(++k < n) {

                    cout << "\nSe elimina: " << personas[i];

                    personas[i] = 0;

                }

            }

        }

    }

    for(int i = 0; i < n; i++)

        if(personas[i] != 0)

            return personas[i];

}