Compilare: main.cpp: In function 'bool check(int)': main.cpp:19:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for (int i = 0; i < cerinta.size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp:24:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | if(ind + step < lista[cerinta[i]-'a'].size() && lista[cerinta[i] - 'a'][ind + step] <= poz) { | ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:29:54: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 29 | if (lista[cerinta[i] - 'a'].size() - ind + 1 <= x){ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~ main.cpp: In function 'int main()': main.cpp:51:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for (int i = 0; i < sir.size(); i ++){ | ~~^~~~~~~~~~~~