Compilare: user.cpp:211:2: warning: no newline at end of file user.cpp: In function 'void df(int)': user.cpp:42: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void compute_nod_where(int)': user.cpp:76: warning: comparison between signed and unsigned integer expressions user.cpp:82: warning: comparison between signed and unsigned integer expressions user.cpp:84: warning: comparison between signed and unsigned integer expressions user.cpp:89: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int code(int, int)': user.cpp:126: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void solve(int)': user.cpp:136: warning: comparison between signed and unsigned integer expressions user.cpp:149: warning: comparison between signed and unsigned integer expressions user.cpp:162: warning: zero-length printf format string user.cpp:163: warning: comparison between signed and unsigned integer expressions user.cpp:172: warning: comparison between signed and unsigned integer expressions user.cpp:176: warning: comparison between signed and unsigned integer expressions