Compilare: main.cpp: In function 'void BFS(int)': main.cpp:19:14: warning: iteration 100001 invokes undefined behavior [-Waggressive-loop-optimizations] 19 | d[i] = -1; | ~~~~~^~~~ main.cpp:18:23: note: within this loop 18 | for (int i = 0; i <= NMAX + 2; i++) | ~~^~~~~~~~~~~ main.cpp:19:14: warning: 'void* __builtin_memset(void*, int, long unsigned int)' forming offset [400004, 400011] is out of the bounds [0, 400004] of object 'd' with type 'int [100001]' [-Warray-bounds] 19 | d[i] = -1; | ~~~~~^~~~ main.cpp:13:5: note: 'd' declared here 13 | int d[NMAX + 1]; | ^