Compilare: user.cpp: In function ‘void print_Path()’: user.cpp:29:37: warning: unused variable ‘crt_room’ [-Wunused-variable] int crt_level=1,crt_i=1,crt_j=1,crt_room = 1,x,road2[57],nr = 0; ^ user.cpp:29:50: warning: variable ‘x’ set but not used [-Wunused-but-set-variable] int crt_level=1,crt_i=1,crt_j=1,crt_room = 1,x,road2[57],nr = 0; ^ user.cpp: In function ‘int compute_Levels()’: user.cpp:20:1: warning: control reaches end of non-void function [-Wreturn-type] } ^