Compilare: user.cpp:159:2: warning: no newline at end of file user.cpp: In function 'int bkt(int, int)': user.cpp:59: warning: operation on 'cont' may be undefined user.cpp:83: warning: operation on 'cont' may be undefined user.cpp:106: warning: operation on 'cont' may be undefined user.cpp:130: warning: operation on 'cont' may be undefined user.cpp:140: warning: control reaches end of non-void function