Compilare: user.cpp: In function 'bool bfs(int, int)': user.cpp:22: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:57: warning: format '%d' expects type 'int*', but argument 2 has type 'short int*' user.cpp:57: warning: format '%d' expects type 'int*', but argument 3 has type 'short int*' user.cpp:74: warning: format '%d' expects type 'int*', but argument 2 has type 'short int*' user.cpp:74: warning: format '%d' expects type 'int*', but argument 3 has type 'short int*' user.cpp:88: warning: comparison between signed and unsigned integer expressions