Compilare: main.cpp: In function 'int main()': main.cpp:37:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int i = 0;i < ans.size();i++) { | ~~^~~~~~~~~~~~ main.cpp:62:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for(int i = 0;i < ans.size();i++) { | ~~^~~~~~~~~~~~