Compilare: user.cpp: In member function ‘void SuffixArray::PreprocessLcp()’: user.cpp:52:13: warning: unused variable ‘x’ [-Wunused-variable] int x, y, lg = log[n]; ^ user.cpp:52:16: warning: unused variable ‘y’ [-Wunused-variable] int x, y, lg = log[n]; ^ user.cpp: In member function ‘int SuffixArray::GetAp(const string&)’: user.cpp:93:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < str.size(); ++i) ^ user.cpp:94:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(Id + i > s.size() || str[i] != s[Id + i]) ^ user.cpp:101:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(GetRmq(first, mid-1) >= str.size()) ^ user.cpp: In member function ‘bool SuffixArray::smaller(const string&, int)’: user.cpp:145:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] a = i < str.size() ? str[i] : 0; ^ user.cpp:146:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] b = suffixId+i < s.size() ? s[suffixId+i] : 0; ^ user.cpp: In member function ‘void SuffixArray::SetLog()’: user.cpp:160:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 2; i < s.size()+1; ++i) ^