Compilare: main.cpp: In function 'void ask(int, int)': main.cpp:17:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | if (answer == n - v.size()) { | ~~~~~~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:26:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 26 | while (v.size() < n) { | ~~~~~~~~~^~~