1 #include "hanoi.h" 2 3 void hanoi(int from, int to, int mid, int n, void (*callback)(int, int)) { 4 if (n == 1) { 5 callback(from, to); 6 } else { 7 hanoi(from, mid, to, n - 1, callback); 8 callback(from, to); 9 hanoi(mid, to, from, n - 1, callback); 10 } 11 } 12
