Compilare: user.cpp: In function 'void cit()': user.cpp:13: warning: unused variable 'i' user.cpp: In function 'void dfs(int)': user.cpp:29: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void df(int, int)': user.cpp:47: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void afis()': user.cpp:60: warning: comparison between signed and unsigned integer expressions user.cpp:57: warning: unused variable 'j' /usr/include/c++/4.2/bits/stl_vector.h:475: warning: 'p' is used uninitialized in this function user.cpp:57: note: 'p' was declared here