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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#353964#7839. 虹NATURAL60 656ms693256kbC++144.0kb2024-03-14 19:57:212024-03-14 19:57:21

Judging History

你现在查看的是最新测评结果

  • [2024-03-14 19:57:21]
  • 评测
  • 测评结果:0
  • 用时:656ms
  • 内存:693256kb
  • [2024-03-14 19:57:21]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
inline int qread()
{
	int a=0,f=1;char ch=getchar();
	while(!isdigit(ch)){if(ch=='-')f=-1;ch=getchar();}
	while(isdigit(ch)){(a*=10)+=(ch^48);ch=getchar();}
	return a*f;
}
int n,m,a[80010],OP[80010],L[80010],R[80010],vis[80010];
int cl,c[80010],ed[80010];
int dep[80010],fa[80010],st[17][80010],F[17][80010],ST[17][80010];
int gcd[80010],P,pri[80010];
vector<int>e[80010],Q[80010],Qs[80010];
vector< pair<int,int> >pre[80010],suf[80010];
bitset<80001>S[80001],cx,Z;
inline int cmp(int x,int y){return dep[x]<dep[y]?x:y;}
inline void U(int x,int p)
{
	if(x==1)return ;
	for(int i=x;i<=n;i+=x)Z[i]=a[gcd[i]*=p]&1;
	return ;
}
inline void M(int x,int p)
{ 
	if(x==1)return ;
	for(int i=x;i<=n;i+=x)Z[i]=a[gcd[i]/=p]&1;
	return ;
}
inline void dfs(int x,int h)
{
	if(!vis[x])
	{
		for(int i:Qs[x])S[i]=Z;
		vis[x]=1;
	}
	if(h==P+1)return ;
	if(1ll*x*pri[h]>n)return ;
	for(long long y=1;1ll*x*y<=n;y*=pri[h])
	{
		U(y,pri[h]);
		dfs(x*y,h+1);
	}
	for(long long y=1;1ll*x*y<=n;y*=pri[h])M(y,pri[h]);
	return ;
}
inline void dfss(int rt,int da)
{
	dep[rt]=dep[da]+1;
	st[0][rt]=rt;fa[rt]=da;
	F[0][rt]=da;ST[0][rt]=rt;
	for(int i=1;i<=16;++i)F[i][rt]=F[i-1][F[i-1][rt]];
	for(int i:e[rt])
	{
		if(i==da)continue;
		dfss(i,rt);
	}
	return ;
}
inline int get_lca(int x,int y)
{
	if(!x||!y)return x|y;
	if(dep[x]<dep[y])swap(x,y);
	for(int i=16;~i;--i)while(dep[F[i][x]]>=dep[y])x=F[i][x];
	if(x==y)return x;
	for(int i=16;~i;--i)while(F[i][x]^F[i][y])x=F[i][x],y=F[i][y];
	return F[0][x];
}
inline void dfsss(int rt,int da)
{
	cx.set(rt);
	for(int i:Q[rt])S[i]=S[i]^cx;
	for(int i:e[rt])
	{
		if(i==da)continue;
		dfsss(i,rt);
	}
	cx.reset(rt);
	return ;
}
inline int get_min(int l,int r)
{
	int s=31-__builtin_clz(r-l+1);
	return cmp(st[s][l],st[s][r-(1<<s)+1]);
}
inline int get_range_lca(int l,int r)
{
	int s=31-__builtin_clz(r-l+1);
	return get_lca(ST[s][l],ST[s][r-(1<<s)+1]);
}
signed main()
{
	n=qread(),m=qread();
	cl=min(n,(int)sqrt(n)+1);
//	cl=n;
	for(int i=1;i<=n;++i)a[i]=qread(),ed[c[i]=(i-1)/cl+1]=i;
	for(int i=1,u,v;i<n;++i)
	{
		u=qread(),v=qread();
		e[u].emplace_back(v);
		e[v].emplace_back(u);
	}
	dfss(1,0);
	for(int i=1;i<=16;++i)for(int j=1;j+(1<<i)-1<=n;++j)
	{
		st[i][j]=cmp(st[i-1][j],st[i-1][j+(1<<(i-1))]);
		ST[i][j]=get_lca(ST[i-1][j],ST[i-1][j+(1<<(i-1))]);
	}
	for(int i=1;i<=m;++i)
	{
		OP[i]=qread();L[i]=qread();R[i]=qread();
		if(OP[i]==2)Qs[qread()].emplace_back(i);
		else
		{
			Q[get_lca(L[i],R[i])].emplace_back(i);
			if(c[L[i]]==c[R[i]])
			{
				cx.reset();
				for(int j=L[i],p;j<=R[i];++j)
				{
					p=j;
					while(!cx[p])cx.set(p),p=fa[p];
				}
				S[i]=cx;
			}
			else
			{
				pre[ed[c[L[i]]]].emplace_back(make_pair(L[i],i));
				suf[ed[c[L[i]]]].emplace_back(make_pair(R[i],i));
			}
		}
	}
	for(int I=1,i,lp,p;I<=c[n];++I)
	{
		i=ed[I];
		sort(pre[i].begin(),pre[i].end());
		sort(suf[i].begin(),suf[i].end());
		reverse(pre[i].begin(),pre[i].end());
		cx.reset();lp=p=i;
		while(!cx[p])cx.set(p),p=fa[p];
		for(pair<int,int>j:pre[i])
		{
			if(lp>j.first)
			{
				while(lp>j.first)
				{
					p=--lp;
					while(!cx[p])cx.set(p),p=fa[p];
				}
			}
			S[j.second]=S[j.second]|cx;
		}
		cx.reset();lp=p=i;
		while(!cx[p])cx.set(p),p=fa[p];
		for(pair<int,int>j:suf[i])
		{
			if(lp<j.first)
			{
				while(lp<j.first)
				{
					p=++lp;
					while(!cx[p])cx.set(p),p=fa[p];
				}
			}
			S[j.second]=S[j.second]|cx;
		}
	}
	cx.reset();
	dfsss(1,0);
	for(int i=2;i<=n;++i)
	{
		if(!vis[i])pri[++P]=i;
		for(int j=1;j<=P&&pri[j]*i<=n;++j)
		{
			vis[pri[j]*i]=1;
			if(i%pri[j]==0)break;
		}
	}
	for(int i=1;i<=n;++i)Z[i]=a[1]&1,vis[i]=0;
	dfs(1,1);
	cx.reset();
	for(int i=1,x;i<=m;++i)
	{
//		for(int j=1;j<=n;++j)cerr<<S[i][j];puts("");
		if(OP[i]==1)cx^=S[i];
		else 
		{
			x=(((cx&S[i])>>(L[i]-1))<<(80000-R[i]+L[i]-1)).count();
			printf("%lld\n",(1ll*19901991*x+(R[i]-L[i]+1-x))%20242024);
		}
	} 
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 7ms
memory: 23708kb

input:

998 1000
955556485 952505211 899166521 258704448 894183248 636280051 62949347 983956660 113872828 588367167 208142006 665025449 944228063 284736189 169202015 56096447 404419923 30158095 111191865 717455344 790159420 391379127 208279658 426780799 886604643 940903663 618716147 773652834 385881251 1593...

output:

138
17522362
21
153
363
689
763
16501770
4260565
316
18922410
159
469
14662048
913
204
18882074
5121265
553
368
523
6481455
240
656
234
65
62
8181013
9361573
426
10721248
437
195
423
382
13
201
9221347
19902375
220933
7681170
158
100
18882291
115
75
19901992
8861208
670
45
14161909
449
114
698
16702...

result:

wrong answer 1st lines differ - expected: '16521790', found: '138'

Subtask #2:

score: 0
Wrong Answer

Test #4:

score: 0
Wrong Answer
time: 656ms
memory: 693256kb

input:

65531 65535
968854923 932574892 192297572 866236747 654755663 148562561 273214896 947434573 938626677 992982166 219888853 229840279 676071061 383387319 372883953 729287797 601010887 31942080 990584163 823724544 181337075 918252129 896876911 768539961 357780649 890577681 819641335 320266037 55445939 ...

output:

1856
2678
19909941
19919967
19582462
29406
18906745
8086
56293
45313
9098227
43143
480
9413
12137094
19571282
14133329
21323
19927824
4336987

result:

wrong answer 1st lines differ - expected: '2662122', found: '1856'

Subtask #3:

score: 0
Skipped

Dependency #2:

0%

Subtask #4:

score: 0
Skipped

Dependency #1:

0%

Subtask #5:

score: 0
Skipped

Dependency #1:

0%