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twosets.cpp
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42 lines (38 loc) · 826 Bytes
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#include <iostream>
#include <vector>
using namespace std;
#define lli long long int
#define li long int
int main() {
lli n;
cin >> n;
lli sig = (n * (n+1))/2;
if(sig&1) {
cout << "NO";
}
else {
cout << "YES" << endl;
vector<lli> arr1,arr2;
sig /= 2LL;
while(n) {
if (sig - n >= 0) {
arr1.push_back(n);
sig -= n;
}
else {
arr2.push_back(n);
}
n--;
}
cout << arr1.size() << endl;
for (li e: arr1) {
cout << e << " ";
}
cout << endl;
cout << arr2.size() << endl;
for (li e: arr2) {
cout << e << " ";
}
}
return 0;
}