Compilare: main.cpp: In function 'void Pattern(std::__cxx11::string)': main.cpp:22:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j < s1.size()) ~~^~~~~~~~~~~ main.cpp: In function 'void KMP(std::__cxx11::string, std::__cxx11::string)': main.cpp:48:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < s2.size()) ~~^~~~~~~~~~~ main.cpp:56:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j == s1.size()) ~~^~~~~~~~~~~~ main.cpp:63:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(s2[i] != s1[j] && i < s2.size()) ~~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:80:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v.size(); i++) ~~^~~~~~~~~~