Compilare: main.cpp: In function 'void DFS(int, int&, int&, std::vector<int>&)': main.cpp:17:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (auto i = 0; i < A[nod].size(); i++) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void dinamica(int, std::vector<bool>&, std::vector<int>&, std::vector<std::vector<int> >&)': main.cpp:41:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (auto i = 0; i < A[nod].size(); i++) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:59:26: warning: unused variable 'sol' [-Wunused-variable] int n, a = 0, b = 0, sol = inf; ^~~