Compilare: main.cpp: In function 'void Build_LPS()': main.cpp:22:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for(i=1;i<a.size();i++){ | ~^~~~~~~~~ main.cpp: In function 'void Compute_Matches()': main.cpp:42:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for(i=0;i<b.size();i++){ | ~^~~~~~~~~ main.cpp:52:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | if(j == a.size()){ | ~~^~~~~~~~~~~