Compilare: main.cpp: In function 'void pattern()': main.cpp:15:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(z<pat.size()) ~^~~~~~~~~~~ main.cpp: In function 'void KMP()': main.cpp:48:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i==pat.size()) ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:72:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<sol.size();i++) ~^~~~~~~~~~~