Compilare: main.cpp: In function 'void Add(int)': main.cpp:37:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for (int i = 0; p[i] * p[i] <= x && i < p.size(); i++) | ~~^~~~~~~~~~ main.cpp: In function 'void Remove(int)': main.cpp:58:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for (int i = 0; p[i] * p[i] <= x && i < p.size(); i++) | ~~^~~~~~~~~~