Compilare: main.cpp: In function 'void dfs(int)': main.cpp:23:18: warning: pointer to a function used in arithmetic [-Wpointer-arith] dfs[y]; ^ main.cpp:23:18: warning: value computed is not used [-Wunused-value] dfs[y]; ~~~~~^ main.cpp:23:18: warning: statement has no effect [-Wunused-value] main.cpp: In function 'int main()': main.cpp:40:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (g[i].size()>max1) ~~~~~~~~~~~^~~~~