Compilare: main.cpp: In function 'void dfs(int)': main.cpp:40:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(int i = 0; i < graph[node].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:110:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 110 | for(i = 1; i < rez.size() - 1; i++) | ~~^~~~~~~~~~~~~~~~