Compilare: main.cpp: In function 'void dfs(int)': main.cpp:16:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for(int i=0;i<G[nod].size();++i) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:42:13: warning: overflow in conversion from 'double' to 'int' changes value from '-1.0e+14' to '-2147483648' [-Woverflow] 42 | sol=-1e14; | ^~~~~