Compilare: user.cpp: In function ‘void Fill(short int, short int, short int)’: user.cpp:38:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (Ok (x, y) && Best[x][y] == -1) ^ user.cpp:43:42: warning: iteration 4u invokes undefined behavior [-Waggressive-loop-optimizations] Fill (x + dx[i], y + dy[i], cost); ^ user.cpp:42:13: note: containing loop for (int i = 0; i < 8; i ++) ^