Compilare: main.cpp: In function 'bool kmp(int, int)': main.cpp:22:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for (int i = 1; i < a.size(); i++) | ~~^~~~~~~~~~ main.cpp:33:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | if (p[i] == s[y].size()) | ~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:124:50: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 124 | for (int j = s[nm[ans[i]]].size() - x; j < s[nm[ans[i]]].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~