Compilare: main.cpp: In function 'int getV(int)': main.cpp:78:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for(int i = 0; i < child[id].size(); i ++){ | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:116:27: warning: 'root' may be used uninitialized [-Wmaybe-uninitialized] 116 | fout << nrmod(root, maxk); | ^ main.cpp:87:10: note: 'root' was declared here 87 | int n, root, maxk; | ^~~~