48 lines
820 B
C++
48 lines
820 B
C++
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#include<bits/stdc++.h>
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using namespace std;
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using ll = long long;
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void solve()
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{
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int n;
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cin>>n;
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vector<int>v;
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if(n%4!=0)
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cout<<"NO"<<endl;
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else
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{
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int even_sum=0;
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int odd_sum=0;
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for(int i=2; i<=n; i+=2)
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{
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v.push_back(i);
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even_sum+=i;
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}
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int ct=0;
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for(int i=1; i<n; i+=2)
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{
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if(ct==(n/2)-1)
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break;
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v.push_back(i);
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odd_sum+=i;
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ct++;
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}
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v.push_back(even_sum-odd_sum);
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cout<<"YES"<<endl;
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for(auto it:v)
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cout<<it<<" ";
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cout<<endl;
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}
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}
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int main()
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{
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ios_base::sync_with_stdio(false);
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cin.tie(nullptr);
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int TC = 1;
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cin >> TC;
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cin.ignore();
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while (TC--) solve();
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}
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