Compilare: main.cpp: In function 'void Z(std::__cxx11::string, int)': main.cpp:9:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1,l=0,r=0;i<s.size();i++) ~^~~~~~~~~ main.cpp:15:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i+z[i]-1<s.size() && s[z[i]]==s[i+z[i]]) ~~~~~~~~^~~~~~~~~ main.cpp:26:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=k-1;i<s.size();i++) ~^~~~~~~~~ main.cpp:34:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<rez.size() && i<1000;i++) ~^~~~~~~~~~~