Compilare: main.cpp: In function 'void dfs(int)': main.cpp:39:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(int i = 0; i < noduri[index].next.size(); i++ ){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:51:9: warning: variable 'cnt' set but not used [-Wunused-but-set-variable] 51 | int cnt, i; | ^~~