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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
#351846#8315. Candy AdsLynkcatWA 12ms77096kbC++202.6kb2024-03-12 16:16:332024-03-12 16:16:33

Judging History

你现在查看的是最新测评结果

  • [2024-03-12 16:16:33]
  • 评测
  • 测评结果:WA
  • 用时:12ms
  • 内存:77096kb
  • [2024-03-12 16:16:33]
  • 提交

answer

#include<bits/stdc++.h>
#define poly vector<int>
#define IOS ios::sync_with_stdio(false)
#define ll long long
#define mp make_pair
#define mt make_tuple
#define pa pair < int,int >
#define fi first
#define se second
#define inf 1e18
#define mod 998244353
#define sz(x) ((int)((x).size()))
// #define int ll
// #define N 
using namespace std;
const int N=100005;
bitset<50001>L[3][2005],R[3][2005],vs[2];
int dfn[N],idfn[N],DFN;
int n,W,H;
poly G[N],rG[N];
int scc[N],scc_tot;
int l[N][3],r[N][3];
inline int id(int x,int y)
{
	return 2*x-1+y;
}
inline int fd(int k,int x)
{
	bitset<50001>now=vs[x];
	for (int i=0;i<3;i++) now&=L[i][l[k][i]]&R[i][r[k][i]];
	now[k]=0;
	return now._Find_first();
}
void dfs(int k)
{
	dfn[k]=++DFN;
	idfn[DFN]=k;
	if (!(k%2))
	{
		while (1)
		{
			int v=fd((k+1)/2,0);
			if (v==50001) break;
			dfs(v*2-1);
		}
	} else
		vs[0][(k+1)/2]=0;
	for (auto u:G[k])
		if (!dfn[u])
		{
			dfs(u);
		}
}
void dfs1(int k)
{
	// assert(!scc[k]);
	scc[k]=scc_tot;
	// cout<<k<<" "<<scc[k]<<" "<<endl;
	if ((k%2))
	{
		while (1)
		{
			int v=fd((k+1)/2,1);
			if (v==50001) break;
			dfs1(v*2);
		}
	} else
		vs[1][(k+1)/2]=0;
	for (auto u:rG[k])
		if (!scc[u])
		{
			dfs1(u);
		}
}
void BellaKira()
{
	cin>>n>>W>>H;
	for (int i=1;i<=n;i++)
	{
		cin>>l[i][0]>>r[i][0];
		cin>>l[i][1]>>l[i][2];
		r[i][1]=l[i][1]+W-1;
		r[i][2]=l[i][2]+H-1;

		r[i][1]=min(r[i][1],2000);
		r[i][2]=min(r[i][2],2000);
		// for (int j=0;j<3;j++) cout<<l[i][j]<<";"<<r[i][j]<<'\n';
		// cout<<endl;
	}
	for (int j=0;j<3;j++)
	{
		for (int i=1;i<=n;i++)
			L[j][r[i][j]][i]=1,
			R[j][l[i][j]][i]=1;
		for (int i=1;i<=2000;i++) R[j][i]|=R[j][i-1];
		for (int i=2000;i>=1;i--) L[j][i]|=L[j][i+1];
	}
	int m;
	cin>>m;
	while (m--)
	{
		int x,y;
		cin>>x>>y;
		G[id(x,0)].push_back(id(y,1));
		G[id(y,0)].push_back(id(x,1));

		rG[id(x,1)].push_back(id(y,0));
		rG[id(y,1)].push_back(id(x,0));
	}
	for (int i=1;i<=n;i++) vs[0][i]=1;
	// vs[0][2]=0;
	// cout<<"???asdasd "<<fd(1,0)<<endl;
	for (int i=1;i<=2*n;i++)
		if (!dfn[i]) dfs(i);
	
	for (int i=1;i<=n;i++) vs[1][i]=1;
	for (int i=2*n;i>=1;i--)
		if (!scc[idfn[i]])
		{
			++scc_tot;
			dfs1(idfn[i]);
		}
	
	for (int i=1;i<=n;i++)
		if (scc[id(i,0)]==scc[id(i,1)]) 
		{
			cout<<"No\n";
			return;
		}
	cout<<"Yes\n";
	for (int i=1;i<=n;i++)
		cout<<(scc[id(i,1)]<scc[id(i,0)]);
	cout<<'\n';
}
signed main()
{
	IOS;
	cin.tie(0);
	int T=1;
	while (T--)
	{
		BellaKira();
	}
}
/*list:
1.mod 998244353 or 1e9+7 or ???
2.N
3.duipai shuju xingtai duoyidian
...
*/

详细

Test #1:

score: 100
Accepted
time: 12ms
memory: 76956kb

input:

2 2 2
1 2 1 1
2 3 2 2
1
1 2

output:

Yes
10

result:

ok accepted

Test #2:

score: 0
Accepted
time: 4ms
memory: 77096kb

input:

3 2 2
1 2 1 1
1 3 1 2
2 3 2 2
3
1 2
2 3
1 3

output:

No

result:

ok accepted

Test #3:

score: -100
Wrong Answer
time: 8ms
memory: 77000kb

input:

10 3 3
2 3 7 10
1 3 9 6
3 5 2 1
4 5 8 9
4 7 1 7
3 4 4 4
6 8 9 5
1 3 6 7
2 5 7 4
6 9 9 9
10
9 1
6 2
8 5
9 5
10 4
5 1
3 2
10 9
9 5
8 2

output:

Yes
1101001000

result:

wrong answer both 8 and 5 are not chosen