Compilare: main.cpp: In function 'void Z(std::string)': main.cpp:10:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 10 | for(int i=1,l=0,r=0;i<s.size();i++) | ~^~~~~~~~~ main.cpp:16:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | while(i+z[i]<s.size() && s[i+z[i]]==s[z[i]]) | ~~~~~~^~~~~~~~~ main.cpp: In function 'void sufix(std::string)': main.cpp:29:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | for(int i=1,l=0,r=0;i<s.size();i++) | ~^~~~~~~~~ main.cpp:35:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | while(i+suf[i]<s.size() && s[i+suf[i]]==s[suf[i]]) | ~~~~~~~~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:56:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for(int i=b.size()+1;i<s.size();i++) | ~^~~~~~~~~ main.cpp:67:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for(int i=1;i<=b.size()/2;i++) | ~^~~~~~~~~~~~