Compilare: main.cpp: In function 'bool generate_ticket(const std::vector<int>&, int, int, int)': main.cpp:18:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for (int i = index; i < numbers.size(); i++) { | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:38:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for (int i = 0; i < chosen_numbers.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~