Compilare: user.cpp: In function ‘int get_muchie(int, int)’: user.cpp:21:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < graph[nod].size(); ++i) { ^ user.cpp:34:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void do_dinamicu(int, int)’: user.cpp:39:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < graph[nod].size(); ++i) { ^