Compilare: main.cpp: In function 'int* calcPrefixFunction(const string&)': main.cpp:19:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < s.size(); i++) ~~^~~~~~~~~~ main.cpp: In function 'std::vector<int> KMP(const string&, const string&)': main.cpp:41:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < text.size(); i++) ~~^~~~~~~~~~~~~ main.cpp:49:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (maxPrefixLenght == pattern.size()) ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:70:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < ans.size() && i < 1000; i++) ~~^~~~~~~~~~~~