Hanoi

#include <iostream>

using namespace std;

void move(char from, char to)
{
    cout << "Move from " << from << " to " << to << endl;
}

void hanoi(char from, char to, char mid, int cnt)
{
    if (cnt == 1) {
        move(from, to);
    } else {
        hanoi(from, mid, to, cnt - 1);
        move(from, to);
        hanoi(mid, to, from, cnt - 1);
    }
}

int main()
{
    hanoi('A', 'C', 'B', 3);
}