Compilare: user.cpp: In function ‘void build(int)’: user.cpp:93:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:132:3: note: in expansion of macro ‘re’ re (i, 2 * MAX_N) ^ user.cpp: In function ‘int solve_positive_quarter()’: user.cpp:93:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:172:3: note: in expansion of macro ‘re’ re (tree, 2) ^ user.cpp:188:9: warning: unused variable ‘x’ [-Wunused-variable] int x = sorted_points[i].fi.fi; ^ user.cpp:93:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:177:3: note: in expansion of macro ‘re’ re (i, N + 1) { ^ user.cpp:222:9: warning: unused variable ‘y’ [-Wunused-variable] int y = sorted_points[i].fi.fi; ^ user.cpp:93:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:210:3: note: in expansion of macro ‘re’ re (i, N + 1) { ^ user.cpp: In function ‘void gen_brute_solve()’: user.cpp:93:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:365:3: note: in expansion of macro ‘re’ re (iter, 100000) { ^