Compilare: main.cpp: In function 'void getLPS(const string&)': main.cpp:14:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<a.size();) ~^~~~~~~~~ main.cpp: In function 'void getMatches(const string&, const string&)': main.cpp:32:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=j=0;i<b.size();) ~^~~~~~~~~ main.cpp:40:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j==a.size()) ~^~~~~~~~~~ main.cpp:48:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<pos.size();++i) ~^~~~~~~~~~~