Compilare: main.cpp: In function 'void ZFunction()': main.cpp:19:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | while(i + z[i] < A.size() && A[z[i]] == A[i + z[i]]) | ~~~~~~~~~^~~~~~~~~~ main.cpp:24:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for (int i = 0; i < A.size(); ++i) | ~~^~~~~~~~~~ main.cpp:26:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | ans += (z[i] == B.size()); | ~~~~~^~~~~~~~~~~ main.cpp:27:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | if(v.size() < 1000 && z[i] == B.size()) | ~~~~~^~~~~~~~~~~