Compilare: user.cpp: In function 'void find_lis(std::vector<int, std::allocator<int> >)': user.cpp:12: warning: unused variable 'l' user.cpp: In function 'int main()': user.cpp:82: warning: comparison between signed and unsigned integer expressions user.cpp:44: warning: unused variable 'j' user.cpp:44: warning: unused variable 'u' user.cpp:44: warning: unused variable 'v' user.cpp: In function 'void find_lis(std::vector<int, std::allocator<int> >)': user.cpp:12: warning: 'poz' may be used uninitialized in this function