Compilare: user.cpp: In function ‘void do_precompute()’: user.cpp:273:16: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if ( i != k & k != j && vp[k].X >= vp[i].X && vp[k].X < vp[j].X ) ^ user.cpp:153:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:272:7: note: in expansion of macro ‘re’ re (k, N) { ^ user.cpp:153:46: warning: unused variable ‘_NN’ [-Wunused-variable] #define re(II, NN) for (int II(0), _NN(NN); (II) < (NN); ++(II)) ^ user.cpp:282:7: note: in expansion of macro ‘re’ re (k, N) if (k != i && k != j && vp[k].X >= vp[i].X && vp[k].X < vp[j].X) { ^