Compilare: user.cpp: In function ‘int main()’: user.cpp:19:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<LPS.size()) ^ user.cpp:41:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<text.length()) ^ user.cpp:58:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j==word.length()) ^ user.cpp:71:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<ans.size();i++) ^