Eroare de compilare: user.cpp: In function ‘bool cupleaza(int)’: user.cpp:22:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[nod].size(); i++) ^ user.cpp:32:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[nod].size(); i++) ^ user.cpp: At global scope: user.cpp:64:9: error: ISO C++ forbids declaration of ‘afisare’ with no type [-fpermissive] afisare() ^ user.cpp: In function ‘int afisare()’: user.cpp:69:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < G[nod].size(); i++) ^ user.cpp:81:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^