Compilare: user.cpp: In function 'void printdist(Nod**)': user.cpp:462: warning: format '%d' expects type 'int', but argument 3 has type 'long unsigned int' user.cpp: In function 'void dfsCV(Nod**, int, int)': user.cpp:475: warning: comparison between signed and unsigned integer expressions user.cpp:493: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void afis()': user.cpp:591: warning: comparison between signed and unsigned integer expressions user.cpp:592: warning: comparison between signed and unsigned integer expressions