Compilare: main.cpp: In function 'void z(std::string, int*)': main.cpp:17:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for (int i = 1; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:23:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | while (i + v[i] <= s.size() && s[v[i]] == s[i + v[i]]) | ~~~~~~~~~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:51:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for (int i = B.size() + 1; i < s1.size(); i++) | ~~^~~~~~~~~~~