#include <iostream> using namespace std; void solve(){ int n;cin>>n; if(n/2%2==1)cout<<"NO"<<endl;//如果n/2是奇数,奇数个奇数还是奇数,奇数个偶数是偶数,一定不相等。 else { cout<<"YES"<<endl; int sum=0,num=0; for(int i=1,j=2;i<=n/2;i++,j+=2){ cout<<j<<" &...