Compilare: main.cpp: In function 'void init()': main.cpp:17:17: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(ll i=0;i<A.size();i++) | ~^~~~~~~~~ main.cpp: In function 'void RabinKarp()': main.cpp:41:17: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(ll i=0;i<A.size();i++) | ~^~~~~~~~~ main.cpp:50:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for(int i=A.size();i<B.size();i++) | ~^~~~~~~~~