Compilare: main.cpp: In function 'int comp(kys, kys)': main.cpp:43:8: warning: statement has no effect [-Wunused-value] 43 | a.c<b.c; | ~~~^~~~ main.cpp:44:1: warning: no return statement in function returning non-void [-Wreturn-type] 44 | } | ^ main.cpp: In function 'long int dfs(int)': main.cpp:50:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for(int i=0;i<v[nod].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:64:1: warning: control reaches end of non-void function [-Wreturn-type] 64 | } | ^