Compilare: main.cpp: In function 'void dfs(int, char*, std::vector<int>*, int&)': main.cpp:12:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | for (int i = 0; i < v[nod].size(); i++) | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void start(std::vector<int>, char*, std::vector<int>*, int&)': main.cpp:21:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for (int i = 0; i < berarii.size(); i++) | ~~^~~~~~~~~~~~~~~~