Compilare: main.cpp: In function 'int main()': main.cpp:93:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 93 | if(ans.size() == n) | ~~~~~~~~~~~^~~~ main.cpp:97:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 97 | for(int i = 0; i < ans.size(); ++i) | ~~^~~~~~~~~~~~