QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#290910#7756. Omniscia Spares NonePhantomThresholdWA 1ms3780kbC++201.4kb2023-12-25 20:16:042023-12-25 20:16:05

Judging History

你现在查看的是最新测评结果

  • [2023-12-25 20:16:05]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3780kb
  • [2023-12-25 20:16:04]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n;
	cin>>n;
	if(n<=4)
	{
		cout<<"Yes"<<endl;
		for(int i=1;i<=n;i++)
			cout<<i<<' '<<0<<endl;
		cout<<0<<endl;
	}
	else if(n<=6 or n%2==1)
	{
		cout<<"No"<<endl;
	}
	else
	{
		cout<<"Yes"<<endl;
		vector<pair<int,int>> p(n+5),edges;
		p[1]={1,0};p[2]={-1,0};
		p[3]={0,1};p[4]={0,-1};
		edges.emplace_back(3,4);
		edges.emplace_back(1,3);
		edges.emplace_back(1,4);
		edges.emplace_back(2,3);
		edges.emplace_back(2,4);
		for(int i=6;i<=n;i+=2)
		{
			if(i%4==2)
			{
				if(i!=n)
				{
					p[i-1]={i/4+1,0};
					p[i]={-i/4-1,0};
				}
				else
				{
					p[i-1]={1000000000,1000};
					p[i]={-1000000000,1000};
				}
				for(int j=i-5;j<=i-2;j++)
				{
					if(j%4!=2)
						edges.emplace_back(j,i-1);
					if(j%4!=1)
						edges.emplace_back(j,i);
				}
			}
			else
			{
				if(i!=n)
				{
					p[i-1]={0,i/4};
					p[i]={0,-i/4};
				}
				else
				{
					p[i-1]={1000,100000000};
					p[i]={1000,-100000000};
				}
				for(int j=i-5;j<=i-2;j++)
				{
					if(j%4!=0)
						edges.emplace_back(j,i-1);
					if(j%4!=3)
						edges.emplace_back(j,i);
				}
			}
		}
		edges.emplace_back(n-1,n);
		for(int i=1;i<=n;i++)
			cout<<p[i].first<<' '<<p[i].second<<endl;
		cout<<edges.size()<<endl;
		for(auto [u,v]:edges)
			cout<<u<<' '<<v<<endl;
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3572kb

input:

3

output:

Yes
1 0
2 0
3 0
0

result:

ok OK, Accepted.

Test #2:

score: 0
Accepted
time: 0ms
memory: 3576kb

input:

4

output:

Yes
1 0
2 0
3 0
4 0
0

result:

ok OK, Accepted.

Test #3:

score: 0
Accepted
time: 1ms
memory: 3548kb

input:

1

output:

Yes
1 0
0

result:

ok OK, Accepted.

Test #4:

score: 0
Accepted
time: 0ms
memory: 3572kb

input:

2

output:

Yes
1 0
2 0
0

result:

ok OK, Accepted.

Test #5:

score: 0
Accepted
time: 0ms
memory: 3544kb

input:

5

output:

No

result:

ok OK, Accepted.

Test #6:

score: 0
Accepted
time: 0ms
memory: 3780kb

input:

6

output:

No

result:

ok OK, Accepted.

Test #7:

score: 0
Accepted
time: 0ms
memory: 3512kb

input:

7

output:

No

result:

ok OK, Accepted.

Test #8:

score: -100
Wrong Answer
time: 0ms
memory: 3488kb

input:

8

output:

Yes
1 0
-1 0
0 1
0 -1
2 0
-2 0
1000 100000000
1000 -100000000
18
3 4
1 3
1 4
2 3
2 4
1 5
2 6
3 5
3 6
4 5
4 6
3 7
4 8
5 7
5 8
6 7
6 8
7 8

result:

wrong answer More than 4 Points' Degrees are Less than 6