Compilare: user.cpp: In function ‘void back(int, int, int, int, int64)’: user.cpp:144:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:205:5: note: in expansion of macro ‘re’ re (i, N) { ^ user.cpp: In function ‘void do_gen_areas(int)’: user.cpp:345:7: warning: variable ‘st’ set but not used [-Wunused-but-set-variable] int st[32], n_st(0); ^ user.cpp: In function ‘void answer()’: user.cpp:144:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:678:5: note: in expansion of macro ‘re’ re (a, L) ^ user.cpp:144:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:676:3: note: in expansion of macro ‘re’ re (i, 11) ^ user.cpp: In function ‘void do_brute()’: user.cpp:144:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:693:7: note: in expansion of macro ‘re’ re (i, N) { ^ user.cpp:144:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:700:5: note: in expansion of macro ‘re’ re (i, L) { ^