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
#139831#4891. 树上的孤独zhouhuanyi0 231ms51592kbC++144.7kb2023-08-14 17:57:322023-08-14 17:57:35

Judging History

你现在查看的是最新测评结果

  • [2023-08-14 17:57:35]
  • 评测
  • 测评结果:0
  • 用时:231ms
  • 内存:51592kb
  • [2023-08-14 17:57:32]
  • 提交

answer

#include<iostream>
#include<cstdio>
#include<vector>
#include<set>
#include<algorithm>
#define N 300000
using namespace std;
int read()
{
	char c=0;
	int sum=0;
	while (c<'0'||c>'9') c=getchar();
	while ('0'<=c&&c<='9') sum=sum*10+c-'0',c=getchar();
	return sum;
}
struct reads
{
	int num,data;
	bool operator < (const reads &t)const
	{
		return data<t.data;
	}
};
reads tong[N+1];
struct rds
{
	int num,data,data2;
	bool operator < (const rds &t)const
	{
		return data2!=t.data2?data<t.data2:data<t.data;	
	}
};
rds tongs[N+1];
int n,m,q,ans,length,lg[N+1],rt[N+1],rt2[N+1],st[N+1],lengs,dque[N+1],top,dfn[N+1],sz[N+1],leng,v1[N+1],v2[N+1],fa[N+1],fa2[N+1][21],depth[N+1],depth2[N+1];
bool used[N+1],used2[N+1];
vector<int>E[N+1];
vector<int>E2[N+1];
set<reads>s[N+1];
void add(int x,int y)
{
	E[x].push_back(y),E[y].push_back(x);
	return;
}
void add2(int x,int y)
{
	E2[x].push_back(y),E2[y].push_back(x);
	return;
}
void dfs(int x)
{
	used[x]=1;
	for (int i=0;i<E[x].size();++i)
		if (!used[E[x][i]])
			fa[E[x][i]]=x,depth[E[x][i]]=depth[x]+1,dfs(E[x][i]);
	return;
}
void dfs2(int x)
{
	dfn[x]=++leng,used2[x]=sz[x]=1;
	for (int i=0;i<E2[x].size();++i)
		if (!used2[E2[x][i]])
			fa2[E2[x][i]][0]=x,depth2[E2[x][i]]=depth2[x]+1,dfs2(E2[x][i]),sz[x]+=sz[E2[x][i]];
	return;
}
bool cmp(int x,int y)
{
	return depth[x]<depth[y];
}
int lca(int x,int y)
{
	if (depth2[x]<depth2[y]) swap(x,y);
	for (int i=lg[m];i>=0;--i)
		if (depth2[fa2[x][i]]>=depth2[y])
			x=fa2[x][i];
	if (x==y) return x;
	for (int i=lg[m];i>=0;--i)
		if (fa2[x][i]!=fa2[y][i])
			x=fa2[x][i],y=fa2[y][i];
	return fa2[x][0];
}
void dfs3(int x,int d)
{
	if (depth[x]<=d) dque[++top]=v1[x];
	for (int i=0;i<E[x].size();++i)
		if (fa[E[x][i]]==x)
			dfs3(E[x][i],d);
	return;
}
struct seg
{
	struct node
	{
		int ls,rs,data;
	};
	node tree[100*N+1];
	void push_up(int k)
	{
		tree[k].data=tree[tree[k].ls].data+tree[tree[k].rs].data;
		return;
	}
	int add(int k,int L,int R,int x,int d)
	{
		int nw=++length;
		tree[nw]=tree[k];
		if (L==R)
		{
			tree[nw].data+=d;
			return nw;
		}
		int mid=(L+R)>>1;
		if (x<=mid) tree[nw].ls=add(tree[nw].ls,L,mid,x,d);
		else tree[nw].rs=add(tree[nw].rs,mid+1,R,x,d);
		push_up(nw);
		return nw;
	}
	int query(int k,int L,int R,int l,int r)
	{
		if (L==l&&R==r) return tree[k].data;
		int mid=(L+R)>>1;
		if (r<=mid) return query(tree[k].ls,L,mid,l,r);
		else if (l>=mid+1) return query(tree[k].rs,mid+1,R,l,r);
		else return query(tree[k].ls,L,mid,l,mid)+query(tree[k].rs,mid+1,R,mid+1,r);
	}
};
seg T;
int main()
{
	int op,x,y,d,d1,d2,ps,l,r,pv,nt;
	for (int i=2;i<=N;++i) lg[i]=lg[i>>1]+1;
	n=read(),m=read(),q=read();
	for (int i=1;i<=n-1;++i) x=read(),y=read(),add(x,y);
	for (int i=1;i<=m-1;++i) x=read(),y=read(),add2(x,y);
	for (int i=1;i<=n;++i) v1[i]=read();
	for (int i=1;i<=m;++i) v2[i]=read(),st[++lengs]=v2[i];
	sort(st+1,st+lengs+1),lengs=unique(st+1,st+lengs+1)-st-1,depth[1]=depth2[1]=1,dfs(1),dfs2(1);
	for (int i=1;i<=m;++i) tong[i]=(reads){i,depth2[i]};
	sort(tong+1,tong+m+1);
	for (int i=1;i<=lg[m];++i)
		for (int j=1;j<=m;++j)
			fa2[j][i]=fa2[fa2[j][i-1]][i-1];
	for (int i=1;i<=m;++i)
	{
		int d=lower_bound(st+1,st+lengs+1,v2[tong[i].num])-st;
		auto it=s[d].lower_bound((reads){tong[i].num,dfn[tong[i].num]});
		rt[i]=T.add(rt[i-1],1,m,dfn[tong[i].num],1);
		if (it!=s[d].end()) nt=(*it).num;
		else nt=-1;
		if (it!=s[d].begin()) it--,pv=(*it).num;
		else pv=-1;
		if (pv!=-1) rt[i]=T.add(rt[i],1,m,dfn[lca(pv,tong[i].num)],-1);
		if (nt!=-1) rt[i]=T.add(rt[i],1,m,dfn[lca(nt,tong[i].num)],-1);
		if (pv!=-1&&nt!=-1) rt[i]=T.add(rt[i],1,m,dfn[lca(pv,nt)],1);
		s[d].insert((reads){tong[i].num,dfn[tong[i].num]});
	}
	for (int i=1;i<=m;++i) tongs[i]=(rds){i,depth[i],lower_bound(st+1,st+leng+1,v2[i])-st};
	sort(tongs+1,tongs+m+1);
	for (int i=1;i<=m;++i) rt2[i]=T.add(rt2[i-1],1,m,dfn[tongs[i].num],1);
	while (q--)
	{
		op=read();
		if (op==1)
		{
			x=read(),y=read(),d1=read()^ans,d2=read()^ans,ps=lower_bound(tong+1,tong+m+1,(reads){0,depth2[y]+d2+1})-tong-1,ans=T.query(rt[ps],1,m,dfn[y],dfn[y]+sz[y]-1),top=0,dfs3(x,depth[x]+d1),sort(dque+1,dque+top+1),top=unique(dque+1,dque+top+1)-dque-1;
			for (int i=1;i<=top;++i)
			{
				if (st[lower_bound(st+1,st+lengs+1,dque[i])-st]==dque[i])
				{
					d=lower_bound(st+1,st+lengs+1,dque[i])-st,l=lower_bound(tongs+1,tongs+m+1,(rds){0,0,d})-tongs,r=lower_bound(tongs+1,tongs+m+1,(rds){0,depth2[y]+d2+1,d})-tongs-1,ans+=(T.query(rt2[r],1,m,dfn[y],dfn[y]+sz[y]-1)-T.query(rt2[l-1],1,m,dfn[y],dfn[y]+sz[y]-1)==0);
				}
				else ans++;
			}
			printf("%d\n",ans);
		}
		else x=read(),d=read(),v1[x]=d;
	}
	return 0;
}

详细

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 231ms
memory: 51592kb

input:

20 2000 2000
8 15
8 13
14 8
14 7
12 14
12 1
9 13
9 4
5 9
5 10
2 5
2 19
6 19
6 16
11 7
11 20
18 2
18 17
3 6
1395 1783
1395 1735
1735 457
457 739
739 438
438 101
101 441
441 1879
1879 1238
1238 501
501 1732
1732 1910
1910 2000
2000 834
834 917
917 111
111 780
780 1966
1966 1604
1604 623
623 1748
1748 ...

output:

106
91
2
44
19
56
210
25
70
20
22
211
74
94
138
34
72
71
56
44
21
10
25
84
64
101
27
219
42
77
104
21
93
36
216
70
29
50
11
20
55
62
24
5
110
158
23
21
15
111
43
116
26
83
164
93
30
148
134
9
137
33
114
150
130
72
35
69
18
42
57
50
59
14
37
149
118
149
157
204
22
89
80
18
73
26
29
40
164
55
63
53
10...

result:

wrong answer 1st numbers differ - expected: '105', found: '106'

Subtask #2:

score: 0
Time Limit Exceeded

Test #3:

score: 0
Time Limit Exceeded

input:

20 200000 500000
8 18
8 4
2 4
2 14
13 4
13 16
6 4
6 3
1 4
1 17
15 6
15 19
7 17
7 11
5 14
5 10
20 7
12 15
9 8
165302 77239
165302 198189
165302 180850
165302 192738
165302 173589
165302 194087
165302 191990
165302 167370
165302 101092
165302 92553
165302 163654
165302 122381
165302 152105
165302 1919...

output:


result:


Subtask #3:

score: 0
Time Limit Exceeded

Test #7:

score: 0
Time Limit Exceeded

input:

20 100000 100000
16 12
16 20
6 12
6 18
2 16
2 8
5 20
5 13
3 6
3 11
19 11
19 17
9 12
9 15
4 15
4 7
10 5
14 15
14 1
85812 94626
85812 91172
91172 93788
93788 96567
96567 75524
75524 23275
23275 98340
98340 81608
81608 91480
91480 75108
75108 56605
56605 93317
93317 41617
41617 77160
77160 727
727 7559...

output:


result:


Subtask #4:

score: 0
Time Limit Exceeded

Test #13:

score: 0
Time Limit Exceeded

input:

1 200000 500000
189127 137023
189127 199761
199761 160701
160701 130639
130639 190908
190908 176819
176819 193363
193363 188021
188021 182446
182446 186028
186028 198828
198828 190792
190792 155378
155378 189428
189428 177276
177276 146159
146159 175923
175923 188073
188073 182206
182206 131072
1310...

output:


result:


Subtask #5:

score: 0
Time Limit Exceeded

Test #15:

score: 0
Time Limit Exceeded

input:

20 200000 1000000
13 10
13 5
19 5
19 20
15 10
15 6
12 6
12 3
8 10
8 2
1 20
1 11
14 10
14 16
18 3
18 7
4 3
9 10
9 17
194055 154514
194055 148156
148156 115271
115271 198116
198116 179433
179433 171975
171975 196600
196600 167194
167194 185078
185078 191409
191409 163496
163496 178243
178243 154093
15...

output:


result: