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Submission #601811

# Submission time Handle Problem Language Result Execution time Memory
601811 2022-07-22T10:26:12 Z Jasiekstrz Zagonetka (COI18_zagonetka) C++17
78 / 100
 97 ms 424 KB 
#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
const int N=100;
int tab[N+10];
int g[N+10];
int tmp[N+10];
bool edg[N+10][N+10];
int deg[N+10];
vector<int> need[N+10];
bool vis[N+10];
void topo(int l,int r)
{
	priority_queue<int> pq;
	for(int i=l;i<=r;i++)
	{
		deg[i]=0;
		for(int j=l;j<i;j++)
			deg[i]+=edg[j][i];
		if(deg[i]==0)
		{
			pq.emplace(i);
			deg[i]=-1;
		}
	}
	int it=l;
	while(!pq.empty())
	{
		auto x=pq.top();
		pq.pop();
		tmp[g[x]]=it++;
		for(int i=x+1;i<=r;i++)
		{
			deg[i]-=edg[x][i];
			if(deg[i]==0)
			{
				pq.emplace(i);
				deg[i]=-1;
			}
		}
	}
	return;
}
void dfs1(int x,vector<int> &ans,int n)
{
	vis[x]=true;
	for(int i=1;i<=n;i++)
	{
		if(!vis[g[i]] && edg[i][tab[x]])
		{
			ans.push_back(g[i]);
			dfs1(g[i],ans,n);
		}
	}
	return;
}
void srt1(int x)
{
	static int nr=1;
	while(!need[x].empty())
	{
		if(tmp[need[x].back()]==0)
			srt1(need[x].back());
		need[x].pop_back();
	}
	tmp[x]=nr++;
	return;
}
void srt1_(int n)
{
	for(int i=1;i<=n;i++)
		tmp[i]=0;
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
			vis[j]=false;
		need[i].clear();
		dfs1(i,need[i],n);
		sort(need[i].begin(),need[i].end());
		reverse(need[i].begin(),need[i].end());
	}
	for(int i=1;i<=n;i++)
	{
		if(tmp[i]==0)
			srt1(i);
	}
	return;
}
void dfs2(int x,vector<int> &ans,int n)
{
	vis[x]=true;
	for(int i=1;i<=n;i++)
	{
		if(!vis[g[i]] && edg[tab[x]][i])
		{
			ans.push_back(g[i]);
			dfs2(g[i],ans,n);
		}
	}
	return;
}
void srt2(int x,int n)
{
	static int nr=-1;
	if(nr==-1)
		nr=n;
	while(!need[x].empty())
	{
		if(tmp[need[x].back()]==0)
			srt2(need[x].back(),n);
		need[x].pop_back();
	}
	tmp[x]=nr--;
	return;
}
void srt2_(int n)
{
	for(int i=1;i<=n;i++)
		tmp[i]=0;
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
			vis[j]=false;
		need[i].clear();
		dfs2(i,need[i],n);
		sort(need[i].begin(),need[i].end());
		reverse(need[i].begin(),need[i].end());
	}
	for(int i=1;i<=n;i++)
	{
		if(tmp[i]==0)
			srt2(i,n);
	}
	return;
}
void srt(int n,int c)
{
	if(c==-1)
		srt1_(n);
	else
		srt2_(n);
	return;
}
int main()
{
	int n;
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		cin>>tab[i];
		g[tab[i]]=i;
	}
	for(int j=2;j<=n;j++)
	{
		for(int i=j-1;i>=1;i--)
		{
			for(int k=1;k<=n;k++)
				tmp[k]=tab[k];
			topo(i,j);

			//cerr<<i<<" "<<j<<endl;
			//for(int k=1;k<=n;k++)
			//	cerr<<tmp[k]<<" ";
			//cerr<<endl;

			for(int k=1;k<=n;k++)
			{
				if(tmp[g[k]]==i)
				{
					edg[i][j]=true;
					break;
				}
				if(tmp[g[k]]==j)
				{
					edg[i][j]=false;
					break;
				}
			}
			if(edg[i][j])
				continue;
			cout<<"query ";
			for(int k=1;k<=n;k++)
				cout<<tmp[k]<<" ";
			cout<<endl;
			cout.flush();
			bool w;
			cin>>w;
			if(!w)
				edg[i][j]=true;
			else
				edg[i][j]=false;
		}
	}

	//cerr<<endl;
	//for(int i=1;i<=n;i++)
	//{
	//	for(int j=i+1;j<=n;j++)
	//	{
	//		if(edg[i][j])
	//			cerr<<i<<" "<<j<<endl;
	//	}
	//}
	//cerr<<endl;

	cout<<"end"<<endl;
	for(int it:{-1,1})
	{
		for(int i=1;i<=n;i++)
			tmp[i]=tab[i];
		srt(n,it);
		for(int i=1;i<=n;i++)
			cout<<tmp[i]<<" ";
		cout<<endl;
	}
	cout.flush();
	return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 288 KB Output is correct
2 Correct 29 ms 208 KB Output is correct
3 Correct 37 ms 208 KB Output is correct
4 Correct 35 ms 292 KB Output is correct
5 Correct 10 ms 312 KB Output is correct
6 Correct 39 ms 308 KB Output is correct
7 Correct 5 ms 208 KB Output is correct
8 Correct 9 ms 208 KB Output is correct
9 Correct 28 ms 208 KB Output is correct
10 Correct 14 ms 308 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 6 ms 208 KB Output is correct
4 Incorrect 5 ms 208 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 90 ms 296 KB Output is correct
2 Correct 97 ms 292 KB Output is correct
3 Correct 71 ms 288 KB Output is correct
4 Correct 16 ms 308 KB Output is correct
5 Correct 22 ms 312 KB Output is correct
6 Correct 25 ms 328 KB Output is correct
7 Correct 24 ms 288 KB Output is correct
8 Correct 31 ms 308 KB Output is correct
9 Correct 33 ms 296 KB Output is correct
10 Correct 89 ms 208 KB Output is correct
11 Correct 68 ms 208 KB Output is correct
12 Correct 77 ms 208 KB Output is correct
13 Correct 82 ms 308 KB Output is correct
14 Correct 65 ms 292 KB Output is correct
15 Correct 91 ms 424 KB Output is correct
16 Correct 81 ms 208 KB Output is correct