Compilare: main.cpp: In function 'void dfs(int)': main.cpp:13:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | for(int i = 0; i < v[node].size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:51:17: warning: overflow in conversion from 'double' to 'int' changes value from '-1.0e+20' to '-2147483648' [-Woverflow] 51 | maxim = -1e20; | ^~~~~