Compilare: user.cpp: In function ‘void SortSuffixes(const std::vector<std::vector<int> >&, std::vector<std::vector<std::vector<int> > >&)’: user.cpp:52:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < v.size(); ++i) ^ user.cpp:31:9: warning: unused variable ‘current’ [-Wunused-variable] int current = 0, last = 1; ^ user.cpp:31:22: warning: unused variable ‘last’ [-Wunused-variable] int current = 0, last = 1; ^ user.cpp: In function ‘int GetAp(int, const std::vector<std::vector<std::vector<int> > >&)’: user.cpp:83:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < v.size(); ++i) ^ user.cpp:75:24: warning: unused variable ‘code’ [-Wunused-variable] unsigned long long code; ^