Compilare: main.cpp: In function 'void dfs(int)': main.cpp:10:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 10 | for(int i=0;i<v[node].size();i++) | ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:39:20: warning: overflow in conversion from 'double' to 'long long int' changes value from '-1.0e+26' to '-9223372036854775808' [-Woverflow] 39 | long long maxi=-1e26; | ^~~~~