QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#97715#6320. Parallel Processing (Hard)whatever#AC ✓10ms6184kbC++146.2kb2023-04-17 23:12:122023-04-17 23:12:16

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-04-17 23:12:16]
  • 评测
  • 测评结果:AC
  • 用时:10ms
  • 内存:6184kb
  • [2023-04-17 23:12:12]
  • 提交

answer

#include <bits/stdc++.h>
#define int long long
#define mod 998244353
using namespace std;
vector<vector<vector<int> > > ans;
void op(vector<vector<int> > v)
{
/*	bitset<2005> A,B,C,D;
	A=(s[v[0][1]]^s[v[0][2]]);
	B=(s[v[1][1]]^s[v[1][2]]);
	C=(s[v[2][1]]^s[v[2][2]]);
	D=(s[v[3][1]]^s[v[3][2]]);
	s[v[0][0]]=A;
	s[v[1][0]]=B;
	s[v[2][0]]=C;
	s[v[3][0]]=D;*/
	ans.push_back(v);
}
int N;

vector<vector<vector<int> > > solve1(int n)
{
	ans.clear();
//	bitset<2005> s[2005];
	int fa[2005]={},cnt[2005]={};
	for(int i=1;i<=n;i++) fa[i]=i-1,cnt[i-1]=1;
	for(int i=1;i<=n;i++)
	{
		vector<vector<int> > v;
		bitset<2005> qwq;
		qwq.reset();
		int C=4;
		for(int j=1;j<=n;j++)
		{
			if(fa[j]!=0&&cnt[j]&&!qwq[fa[j]]&&fa[fa[j]]==0)
			{
				v.push_back({j,fa[j],j});
				--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
				--C;
			}
			if(!C) break;
		}
		for(int j=1;j<=n;j++)
		{
			if(fa[j]!=0&&cnt[j]&&!qwq[fa[j]])
			{
				v.push_back({j,fa[j],j});
				--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
				--C;
			}
			if(!C) break;
		}
		for(int j=1;j<=n;j++)
		{
			if(fa[j]!=0&&!qwq[fa[j]]&&fa[fa[j]]==0)
			{
				v.push_back({j,fa[j],j});
				--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
				--C;
			}
			if(!C) break;
		}
		for(int j=1;j<=n;j++)
		{
			if(fa[j]!=0&&!qwq[fa[j]])
			{
				v.push_back({j,fa[j],j});
				--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
				--C;
			}
			if(!C) break;
		}
		if(v.size()==0) break;
		while(v.size()<4) v.insert(v.begin(),{v.back()[0],2000,2000});
		op(v);
	}
	return ans;
}
vector<vector<vector<int> > > solve2(int n)
{
	if(n!=35&&n>=33&&n!=38||n==23)
	{
		auto qaq=solve2(n-15);
		vector<vector<vector<int> > > qwq=qaq;
		for(int i=0;i<qwq.size();i++)
		{
			for(int j=0;j<qwq[i].size();j++)
			{
				for(int k=0;k<qwq[i][j].size();k++)
					qwq[i][j][k]+=15;
			}
		}
		qwq.insert(qwq.begin(),{{11,10,11},{13,12,13},{15,14,15},{16,14,16}});
		qwq.insert(qwq.begin(),{{7,6,7},{9,8,9},{12,10,12},{14,10,14}});
		qwq.insert(qwq.begin(),{{3,2,3},{5,4,5},{10,8,10},{14,12,14}});
		qwq.insert(qwq.begin(),{{6,4,6},{8,4,8},{14,13,14},{16,15,16}});
		qwq.insert(qwq.begin(),{{4,2,4},{8,6,8},{12,11,12},{10,9,10}});
		qwq.insert(qwq.begin(),{{2,1,2},{4,3,4},{6,5,6},{8,7,8}});
	//	cout << qaq.size() << " " << qwq.size() << "\n";
	//	if(n==50)exit(0);
		return qwq;
	}
	ans.clear();
//	bitset<2005> s[2005];
	int fa[2005]={},cnt[2005]={};
	for(int i=1;i<=n;i++) fa[i]=i-1,cnt[i-1]=1;
	for(int i=1;i<=n;i++)
	{
		if(n%10==6&&i<=6)
		{
			
			vector<vector<int> > v;
			bitset<2005> qwq;
			qwq.reset();
			int C=4;
			for(int j=1;j<=n;j++)
			{
				if(fa[j]!=0&&cnt[j]&&!qwq[fa[j]]&&fa[fa[j]]==0)
				{
					v.push_back({j,fa[j],j});
					--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
					--C;
				}
				if(!C) break;
			}
			for(int j=1;j<=n;j++)
			{
				if(fa[j]!=0&&cnt[j]&&!qwq[fa[j]])
				{
					v.push_back({j,fa[j],j});
					--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
					--C;
				}
				if(!C) break;
			}
			for(int j=1;j<=n;j++)
			{
				if(fa[j]!=0&&!qwq[fa[j]]&&fa[fa[j]]==0)
				{
					v.push_back({j,fa[j],j});
					--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
					--C;
				}
				if(!C) break;
			}
			for(int j=1;j<=n;j++)
			{
				if(fa[j]!=0&&!qwq[fa[j]])
				{
					v.push_back({j,fa[j],j});
					--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
					--C;
				}
				if(!C) break;
			}
			if(v.size()==0) break;
			while(v.size()<4) v.insert(v.begin(),{v.back()[0],2000,2000});
			op(v);
			continue;
		}
		vector<vector<int> > v;
		bitset<2005> qwq;
		qwq.reset();
		int C=4;
		for(int j=1;j<=n;j++)
		{
			if(fa[j]!=0&&cnt[j]&&!qwq[fa[j]]&&fa[fa[j]]==0)
			{
				v.push_back({j,fa[j],j});
				--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
				--C;
			}
			if(!C) break;
		}
		for(int j=1;j<=n;j++)
		{
			if(fa[j]!=0&&!qwq[fa[j]]&&fa[fa[j]]==0)
			{
				v.push_back({j,fa[j],j});
				--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
				--C;
			}
			if(!C) break;
		}
		for(int j=1;j<=n;j++)
		{
			if(fa[j]!=0&&cnt[j]&&!qwq[fa[j]])
			{
				v.push_back({j,fa[j],j});
				--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
				--C;
			}
			if(!C) break;
		}
		for(int j=1;j<=n;j++)
		{
			if(fa[j]!=0&&!qwq[fa[j]])
			{
				v.push_back({j,fa[j],j});
				--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
				--C;
			}
			if(!C) break;
		}
		if(v.size()==0) break;
		while(v.size()<4) v.insert(v.begin(),{v.back()[0],2000,2000});
		op(v);
	}
	auto ttt=ans;
	auto qwq2=solve1(n);
	if(qwq2.size()<ttt.size()) return qwq2;
	return ttt;
}
signed main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n;
	cin >> n;
//	for(int i=1;i<=n;i++) s[i][i]=1;
//	for(int i=1;i<=n;i++) fa[i]=i-1,cnt[i-1]=1;
/*	for(int i=1;i<=n;i++)
	{
		vector<vector<int> > v;
		bitset<2005> qwq;
		qwq.reset();
		int C=4;
		for(int j=1;j<=n;j++)
		{
			if(fa[j]!=0&&cnt[j]&&!qwq[fa[j]])
			{
				v.push_back({j,fa[j],j});
				--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
				--C;
			}
			if(!C) break;
		}
		for(int j=1;j<=n;j++)
		{
			if(fa[j]!=0&&fa[fa[j]]==0&&!qwq[fa[j]])
			{
				v.push_back({j,fa[j],j});
				--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]];
				--C;
			}
			if(!C) break;
		}
		for(int j=1;j<=n;j++)
		{
			if(fa[j]!=0&&!qwq[fa[j]])
			{
				v.push_back({j,fa[j],j});
				--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
				--C;
			}
			if(!C) break;
		}
		if(v.size()==0) break;
		while(v.size()<4) v.push_back({2,1,2});
		op(v);
	}*/
	vector<vector<vector<int> > > qwq;
	for(int i=0;i<=10000;i++) qwq.push_back({{}});
	for(int i=n;i<=max(n,11ll);i++)
	{
		vector<vector<vector<int> > > xx=solve2(i);
		if(xx.size()<qwq.size()) qwq=xx;
		xx=solve1(i);
		if(xx.size()<qwq.size()) qwq=xx;
	}
	ans=qwq;
//
//	assert(((n-1)*2+4)/5==ans.size());
	cout << ans.size() << "\n";
	for(auto t:ans)
	{
		for(auto y:t)
		{
			for(auto x:y) cout << min(2000ll,x) << " ";
			cout << "\n";
		}
	}
/*	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
		{
			cout << s[i][j];
		}
		cout << "\n";
	}*/
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3828kb

input:

17

output:

7
2 1 2 
4 3 4 
6 5 6 
8 7 8 
4 2 4 
3 2 3 
8 6 8 
10 9 10 
6 4 6 
8 4 8 
5 4 5 
11 10 11 
11 8 11 
7 6 7 
9 8 9 
10 8 10 
16 2000 2000 
12 11 12 
14 13 14 
16 15 16 
17 2000 2000 
14 12 14 
13 12 13 
17 16 17 
17 2000 2000 
15 14 15 
16 14 16 
17 14 17 

result:

ok AC

Test #2:

score: 0
Accepted
time: 1ms
memory: 3892kb

input:

18

output:

7
2 1 2 
4 3 4 
6 5 6 
8 7 8 
4 2 4 
3 2 3 
8 6 8 
10 9 10 
6 4 6 
8 4 8 
5 4 5 
11 10 11 
11 8 11 
7 6 7 
9 8 9 
10 8 10 
12 11 12 
14 13 14 
16 15 16 
18 17 18 
14 12 14 
13 12 13 
17 16 17 
18 16 18 
15 14 15 
16 14 16 
17 14 17 
18 14 18 

result:

ok AC

Test #3:

score: 0
Accepted
time: 2ms
memory: 3888kb

input:

19

output:

8
2 1 2 
4 3 4 
6 5 6 
8 7 8 
4 2 4 
3 2 3 
8 6 8 
10 9 10 
6 4 6 
8 4 8 
5 4 5 
11 10 11 
11 8 11 
7 6 7 
9 8 9 
10 8 10 
12 11 12 
14 13 14 
16 15 16 
18 17 18 
14 12 14 
13 12 13 
18 16 18 
17 16 17 
18 14 18 
15 14 15 
16 14 16 
17 14 17 
19 2000 2000 
19 2000 2000 
19 2000 2000 
19 18 19 

result:

ok AC

Test #4:

score: 0
Accepted
time: 3ms
memory: 3884kb

input:

20

output:

8
2 1 2 
4 3 4 
6 5 6 
8 7 8 
4 2 4 
8 6 8 
10 9 10 
12 11 12 
6 4 6 
8 4 8 
12 10 12 
14 13 14 
10 8 10 
12 8 12 
15 14 15 
17 16 17 
15 12 15 
18 17 18 
3 2 3 
5 4 5 
18 15 18 
7 6 7 
9 8 9 
11 10 11 
19 18 19 
13 12 13 
14 12 14 
16 15 16 
20 2000 2000 
20 2000 2000 
17 15 17 
20 19 20 

result:

ok AC

Test #5:

score: 0
Accepted
time: 3ms
memory: 3864kb

input:

21

output:

8
2 1 2 
4 3 4 
6 5 6 
8 7 8 
4 2 4 
3 2 3 
8 6 8 
10 9 10 
6 4 6 
8 4 8 
5 4 5 
11 10 11 
11 8 11 
7 6 7 
9 8 9 
10 8 10 
12 11 12 
14 13 14 
16 15 16 
18 17 18 
14 12 14 
13 12 13 
18 16 18 
20 19 20 
16 14 16 
18 14 18 
15 14 15 
21 20 21 
17 16 17 
19 18 19 
20 18 20 
21 18 21 

result:

ok AC

Test #6:

score: 0
Accepted
time: 3ms
memory: 4040kb

input:

120

output:

48
2 1 2 
4 3 4 
6 5 6 
8 7 8 
4 2 4 
8 6 8 
12 11 12 
10 9 10 
6 4 6 
8 4 8 
14 13 14 
16 15 16 
3 2 3 
5 4 5 
10 8 10 
14 12 14 
7 6 7 
9 8 9 
12 10 12 
14 10 14 
11 10 11 
13 12 13 
15 14 15 
16 14 16 
17 16 17 
19 18 19 
21 20 21 
23 22 23 
19 17 19 
23 21 23 
27 26 27 
25 24 25 
21 19 21 
23 19...

result:

ok AC

Test #7:

score: 0
Accepted
time: 2ms
memory: 4792kb

input:

421

output:

168
2 1 2 
4 3 4 
6 5 6 
8 7 8 
4 2 4 
8 6 8 
12 11 12 
10 9 10 
6 4 6 
8 4 8 
14 13 14 
16 15 16 
3 2 3 
5 4 5 
10 8 10 
14 12 14 
7 6 7 
9 8 9 
12 10 12 
14 10 14 
11 10 11 
13 12 13 
15 14 15 
16 14 16 
17 16 17 
19 18 19 
21 20 21 
23 22 23 
19 17 19 
23 21 23 
27 26 27 
25 24 25 
21 19 21 
23 1...

result:

ok AC

Test #8:

score: 0
Accepted
time: 1ms
memory: 4864kb

input:

464

output:

186
2 1 2 
4 3 4 
6 5 6 
8 7 8 
4 2 4 
8 6 8 
12 11 12 
10 9 10 
6 4 6 
8 4 8 
14 13 14 
16 15 16 
3 2 3 
5 4 5 
10 8 10 
14 12 14 
7 6 7 
9 8 9 
12 10 12 
14 10 14 
11 10 11 
13 12 13 
15 14 15 
16 14 16 
17 16 17 
19 18 19 
21 20 21 
23 22 23 
19 17 19 
23 21 23 
27 26 27 
25 24 25 
21 19 21 
23 1...

result:

ok AC

Test #9:

score: 0
Accepted
time: 2ms
memory: 5688kb

input:

812

output:

325
2 1 2 
4 3 4 
6 5 6 
8 7 8 
4 2 4 
8 6 8 
12 11 12 
10 9 10 
6 4 6 
8 4 8 
14 13 14 
16 15 16 
3 2 3 
5 4 5 
10 8 10 
14 12 14 
7 6 7 
9 8 9 
12 10 12 
14 10 14 
11 10 11 
13 12 13 
15 14 15 
16 14 16 
17 16 17 
19 18 19 
21 20 21 
23 22 23 
19 17 19 
23 21 23 
27 26 27 
25 24 25 
21 19 21 
23 1...

result:

ok AC

Test #10:

score: 0
Accepted
time: 6ms
memory: 5780kb

input:

862

output:

345
2 1 2 
4 3 4 
6 5 6 
8 7 8 
4 2 4 
8 6 8 
12 11 12 
10 9 10 
6 4 6 
8 4 8 
14 13 14 
16 15 16 
3 2 3 
5 4 5 
10 8 10 
14 12 14 
7 6 7 
9 8 9 
12 10 12 
14 10 14 
11 10 11 
13 12 13 
15 14 15 
16 14 16 
17 16 17 
19 18 19 
21 20 21 
23 22 23 
19 17 19 
23 21 23 
27 26 27 
25 24 25 
21 19 21 
23 1...

result:

ok AC

Test #11:

score: 0
Accepted
time: 5ms
memory: 6184kb

input:

996

output:

398
2 1 2 
4 3 4 
6 5 6 
8 7 8 
4 2 4 
8 6 8 
12 11 12 
10 9 10 
6 4 6 
8 4 8 
14 13 14 
16 15 16 
3 2 3 
5 4 5 
10 8 10 
14 12 14 
7 6 7 
9 8 9 
12 10 12 
14 10 14 
11 10 11 
13 12 13 
15 14 15 
16 14 16 
17 16 17 
19 18 19 
21 20 21 
23 22 23 
19 17 19 
23 21 23 
27 26 27 
25 24 25 
21 19 21 
23 1...

result:

ok AC

Test #12:

score: 0
Accepted
time: 3ms
memory: 6148kb

input:

997

output:

399
2 1 2 
4 3 4 
6 5 6 
8 7 8 
4 2 4 
8 6 8 
12 11 12 
10 9 10 
6 4 6 
8 4 8 
14 13 14 
16 15 16 
3 2 3 
5 4 5 
10 8 10 
14 12 14 
7 6 7 
9 8 9 
12 10 12 
14 10 14 
11 10 11 
13 12 13 
15 14 15 
16 14 16 
17 16 17 
19 18 19 
21 20 21 
23 22 23 
19 17 19 
23 21 23 
27 26 27 
25 24 25 
21 19 21 
23 1...

result:

ok AC

Test #13:

score: 0
Accepted
time: 5ms
memory: 6172kb

input:

998

output:

399
2 1 2 
4 3 4 
6 5 6 
8 7 8 
4 2 4 
8 6 8 
12 11 12 
10 9 10 
6 4 6 
8 4 8 
14 13 14 
16 15 16 
3 2 3 
5 4 5 
10 8 10 
14 12 14 
7 6 7 
9 8 9 
12 10 12 
14 10 14 
11 10 11 
13 12 13 
15 14 15 
16 14 16 
17 16 17 
19 18 19 
21 20 21 
23 22 23 
19 17 19 
23 21 23 
27 26 27 
25 24 25 
21 19 21 
23 1...

result:

ok AC

Test #14:

score: 0
Accepted
time: 7ms
memory: 6116kb

input:

999

output:

400
2 1 2 
4 3 4 
6 5 6 
8 7 8 
4 2 4 
8 6 8 
12 11 12 
10 9 10 
6 4 6 
8 4 8 
14 13 14 
16 15 16 
3 2 3 
5 4 5 
10 8 10 
14 12 14 
7 6 7 
9 8 9 
12 10 12 
14 10 14 
11 10 11 
13 12 13 
15 14 15 
16 14 16 
17 16 17 
19 18 19 
21 20 21 
23 22 23 
19 17 19 
23 21 23 
27 26 27 
25 24 25 
21 19 21 
23 1...

result:

ok AC

Test #15:

score: 0
Accepted
time: 10ms
memory: 6128kb

input:

1000

output:

400
2 1 2 
4 3 4 
6 5 6 
8 7 8 
4 2 4 
8 6 8 
12 11 12 
10 9 10 
6 4 6 
8 4 8 
14 13 14 
16 15 16 
3 2 3 
5 4 5 
10 8 10 
14 12 14 
7 6 7 
9 8 9 
12 10 12 
14 10 14 
11 10 11 
13 12 13 
15 14 15 
16 14 16 
17 16 17 
19 18 19 
21 20 21 
23 22 23 
19 17 19 
23 21 23 
27 26 27 
25 24 25 
21 19 21 
23 1...

result:

ok AC