Compilare: main.cpp: In function 'int BFS_fill(int, int, int)': main.cpp:28:30: warning: unused variable 'visitedvecin' [-Wunused-variable] array<array<int,105>,105>visitedvecin={}; ^~~~~~~~~~~~ main.cpp:51:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int BFS_pod()': main.cpp:88:1: warning: control reaches end of non-void function [-Wreturn-type] } ^