Compilare: main.cpp: In function 'int bfs(int, int&)': main.cpp:17:15: warning: variable 'ok' set but not used [-Wunused-but-set-variable] 17 | int curr, ok = 0; | ^~ main.cpp:35:1: warning: no return statement in function returning non-void [-Wreturn-type] 35 | } | ^