Compilare: main.cpp: In function 'void BFS()': main.cpp:29:15: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(a>=1 && a<=n && b>=1 && b<=m) ^ main.cpp:26:27: warning: iteration 4 invokes undefined behavior [-Waggressive-loop-optimizations] a = x + absc[i]; ~~~~~~^ main.cpp:24:23: note: within this loop for(int i=0;i<=4;i++) ~^~~