Compilare: user.cpp: In function 'void find_lis(std::vector<int, std::allocator<int> >)': user.cpp:13: warning: unused variable 'l' user.cpp: In function 'int main()': user.cpp:67: warning: comparison between signed and unsigned integer expressions user.cpp:45: warning: unused variable 'j' user.cpp:45: warning: unused variable 'u' user.cpp:45: warning: unused variable 'v' user.cpp:45: warning: unused variable 'l' user.cpp: In function 'void find_lis(std::vector<int, std::allocator<int> >)': user.cpp:13: warning: 'poz' may be used uninitialized in this function