Compilare: user.cpp: In function 'int bfs()': user.cpp:9: warning: unused variable 'i' user.cpp: In function 'int main()': user.cpp:27: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:27: warning: format '%d' expects type 'int*', but argument 3 has type 'long int*' user.cpp:28: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:28: warning: format '%d' expects type 'int*', but argument 3 has type 'long int*' user.cpp:28: warning: format '%d' expects type 'int*', but argument 4 has type 'long int*' user.cpp:42: warning: format '%d' expects type 'int', but argument 2 has type 'long int'