Compilare: main.cpp: In function 'long long int compute(std::string, long long int, long long int)': main.cpp:28:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for(long long i=0;i<s.length();i++){ | ~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:60:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for(long long i=0;i<pattern.length();i++){ | ~^~~~~~~~~~~~~~~~~ main.cpp:75:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for(long long i=1;i<=str.length()-pattern.length();i++){ | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:91:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for(long long i=0;i<v.size();i++){ | ~^~~~~~~~~