Compilare: main.cpp: In function 'bool verif(int, std::vector<int>)': main.cpp:9:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 9 | for(int i=1;i<v.size();i++) | ~^~~~~~~~~ main.cpp:11:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 11 | if(sz>=h[v[i]].size() || h[v[i]][sz]!=h[v[0]][sz]) return false; | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:24:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for(int j=0;j<s.size();j++) | ~^~~~~~~~~