Compilare: main.cpp: In function 'int* createSubPatterns(std::string)': main.cpp:15:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | while(i < p.length()){ | ~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:69:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | while (i < s.length()) { | ~~^~~~~~~~~~~~ main.cpp:75:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | if (j == p.length()) { | ~~^~~~~~~~~~~~~ main.cpp:82:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | } else if (i < s.length() && p[j] != s[i]) { | ~~^~~~~~~~~~~~