Compilare: main.cpp: In function 'long long int hasher1(std::string)': main.cpp:11:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 11 | for(int i=0; i<s.length(); i++){ | ~^~~~~~~~~~~ main.cpp: In function 'long long int hasher2(std::string)': main.cpp:20:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for(int i=0; i<s.length(); i++){ | ~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:33:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | for(int i=0; i<t.length()-s.length(); i++){ | ~^~~~~~~~~~~~~~~~~~~~~~