Compilare: main.cpp:6:5: warning: built-in function 'log' declared as non-function [-Wbuiltin-declaration-mismatch] 6 | int log[20]; | ^~~ main.cpp: In function 'void dfs(int, int)': main.cpp:23:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for(int i=0;i<g[node].size();i++) | ~^~~~~~~~~~~~~~~