Compilare: main.cpp: In function 'int main()': main.cpp:108:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 108 | for(int i=0;i < ans.size();i++)cout << ans[i] << " \n"[i == ans.size() - 1]; | ~~^~~~~~~~~~~~ main.cpp:108:62: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 108 | for(int i=0;i < ans.size();i++)cout << ans[i] << " \n"[i == ans.size() - 1]; | ~~^~~~~~~~~~~~~~~~~