Compilare: user.cpp: In function ‘void Move(int, int, int)’: user.cpp:28:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < tij[to].size() && tij[to][tij[to].size() - i - 1] < tij[t].back(); i++); ^ user.cpp: In function ‘int main()’: user.cpp:43:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("hanoi2.out", "w", stdout); ^