Compilare: user.cpp: In function ‘void Special_Lee(int, int, int, int, int, std::vector<std::vector<char> >&, std::vector<std::vector<int> >&, std::queue<std::pair<int, std::pair<int, int> > >&)’: user.cpp:93:22: warning: unused variable ‘w’ [-Wunused-variable] char w = v[new_x][new_y]; ^ user.cpp: In function ‘int main()’: user.cpp:161:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < meet.size(); i++) ^ user.cpp:153:51: warning: ‘Teognis_y’ may be used uninitialized in this function [-Wmaybe-uninitialized] Lee(Teognis_x, Teognis_y, n, m, 1, v, drum, Q); ^ user.cpp:153:51: warning: ‘Teognis_x’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:158:47: warning: ‘Percy_y’ may be used uninitialized in this function [-Wmaybe-uninitialized] Lee(Percy_x, Percy_y, n, m, 0, v, drum, Q); ^ user.cpp:158:47: warning: ‘Percy_x’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:159:56: warning: ‘Cufar_y’ may be used uninitialized in this function [-Wmaybe-uninitialized] Special_Lee(Cufar_x, Cufar_y, n, m, 1, v, dist, QQ); ^ user.cpp:159:56: warning: ‘Cufar_x’ may be used uninitialized in this function [-Wmaybe-uninitialized]