Compilare: main.cpp: In function 'void addtrie(int, int)': main.cpp:27:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(i=0; i<adj[node].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:52:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | if(poz<curr.size()-1) | ~~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:66:17: warning: unused variable 'l' [-Wunused-variable] 66 | int n,i,j,k,l,m,a; | ^