Compilare: main.cpp: In function 'int main()': main.cpp:28:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for (int i = 0; i + 7 < s.size(); i += 8) | ~~~~~~^~~~~~~~~~ main.cpp:51:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for (int i = 0; i < wrong.size(); i++) | ~~^~~~~~~~~~~~~~