Compilare: main.cpp: In function 'void Add(std::vector<int>&, std::vector<int>&)': main.cpp:26:21: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 26 | while (A.size() < lim) | ~~~~~~~~~^~~~~ main.cpp:28:32: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 28 | for (unsigned int i = 0; i < lim; i++) | ~~^~~~~