Compilare: user.cpp: In function ‘int main()’: user.cpp:56:34: warning: variable ‘dreapta’ set but not used [-Wunused-but-set-variable] pair <int, int > dreapta = dr; ^ user.cpp:66:78: warning: iteration 4u invokes undefined behavior [-Waggressive-loop-optimizations] pair <int, int> cy = {Y.f + dx[k], Y.s + dy[k]}; ^ user.cpp:65:25: note: containing loop for (int k = 0 ; k < 8; k++){ ^