Compilare: user.cpp: In function ‘void Solve()’: user.cpp:36:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j< graf[i].size(); j++) ~^~~~~~~~~~~~~~~~ user.cpp:32:9: warning: variable ‘fv’ set but not used [-Wunused-but-set-variable] int fv[1001]; ^~ user.cpp: In function ‘void ReadInput()’: user.cpp:19:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&noduri,&muchii); ^ user.cpp:23:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^