Compilare: main.cpp: In function 'void dfs(int)': main.cpp:69:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | if(vizd[it] < w[it].size() - 1) | ~~~~~~~~~^~~~~~~~~~~~~~~~~~ main.cpp:80:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 80 | if(sol.size() == z) | ~~~~~~~~~~~^~~~