Compilare: main.cpp: In function 'void generate_ticket(const std::vector<int>&, int, int, int)': main.cpp:16:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | if (current_sum > target_sum || index >= numbers.size() || ticket.size() > 6) { | ~~~~~~^~~~~~~~~~~~~~~~~ main.cpp:19:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for (int i = index; i < numbers.size() && !found; i++) { | ~~^~~~~~~~~~~~~~~~