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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
#393878#7782. Ursa MinorEric_caiML 83ms23504kbC++143.9kb2024-04-19 15:57:292024-04-19 15:57:30

Judging History

你现在查看的是最新测评结果

  • [2024-04-19 15:57:30]
  • 评测
  • 测评结果:ML
  • 用时:83ms
  • 内存:23504kb
  • [2024-04-19 15:57:29]
  • 提交

answer

#include<bits/stdc++.h>
#define ll long long
using namespace std;
const ll mod=998244353;
const ll base=20080129;
const int maxn=2e5+5;
const int maxb=505;
ll gcd(ll x,ll y)
{
	if(x==0 || y==0) return x+y;
	return gcd(y,x%y);
}
ll qp(ll x,ll y)
{
	ll ret=1;
	while(y)
	{
		if(y&1) ret=ret*x%mod;
		x=x*x%mod;
		y>>=1;
	}
	return ret;
}
int n,m,q,num;
int id[maxn],L[maxn],R[maxn],len;
ll a[maxn],b[maxn];
ll p[maxn],sp[maxn],invp[maxn];
ll sk0[maxb][maxb],hh[maxb][maxn],skh[maxb][maxb];
ll sumah[maxn],sskah[maxb];
ll d[maxn<<2];
void pushup(int id)
{
	d[id]=gcd(d[id<<1],d[id<<1|1]);
}
void update(int id,int l,int r,int x,int w)
{
	if(l==r)
	{
		d[id]=w;
		return;
	}
	int mid=(l+r)>>1;
	if(x<=mid) update(id<<1,l,mid,x,w);
	else update(id<<1|1,mid+1,r,x,w);
	pushup(id);
}
int query(int id,int l,int r,int x,int y)
{
	if(l>=x && r<=y) return d[id];
	int mid=(l+r)>>1,ret=0;
	if(x<=mid) ret=gcd(ret,query(id<<1,l,mid,x,y));
	if(y>mid) ret=gcd(ret,query(id<<1|1,mid+1,r,x,y));
	return ret;
}
void upd0(int x,ll w)
{
	for(int i=1;i<=len;i++)
		sk0[i][id[x]]=(sk0[i][id[x]]-(x%i==0)*a[x]+(x%i==0)*w)%mod;
}
ll q0(int l,int r,int k)
{
	ll ret=0;
	if(k>len)
	{
		for(int i=k;i<=n;i+=k)
			ret=(ret+(i>=l && i<=r && i%k==0)*a[i])%mod;
		return ret;
	}
	if(id[l]==id[r])
	{
		for(int i=l;i<=r;i++) ret=(ret+a[i]*(i%k==0))%mod;
		return ret;
	}
	for(int i=id[l]+1;i<=id[r]-1;i++) ret=(ret+sk0[k][i])%mod;
	for(int i=l;i<=R[id[l]];i++) ret=(ret+a[i]*(i%k==0))%mod;
	for(int i=L[id[r]];i<=r;i++) ret=(ret+a[i]*(i%k==0))%mod;
	return ret;
}
void updh(int x,ll w)
{
	for(int i=1;i<=len;i++)
	{
		hh[i][x]=w*p[x%i]%mod;
		skh[i][id[x]]=(skh[i][id[x]]-a[x]*p[x%i]+w*p[x%i])%mod;
	}
}
void updah(int x,ll w)
{
	for(int i=x;i<=R[id[x]];i++)
		sumah[i]=(sumah[i]-a[x]*p[x]+w*p[x])%mod;
	for(int i=id[x];i<=num;i++)
		sskah[i]=(sskah[i]-a[x]*p[x]+w*p[x])%mod;
}
ll qah(int l,int r)
{
	if(l>r) return 0;
	if(id[l]==id[r]) return (sumah[r]-sumah[l-1]*(id[l]==id[l-1]))%mod;
	return (sskah[id[r]-1]-sskah[id[l]]+sumah[R[id[l]]]-sumah[l-1]*(id[l]==id[l-1])+sumah[r])%mod;
}
ll qh(int l,int r,int k)
{
	ll ret=0;
	if(k<=len)
	{
		if(id[l]==id[r])
		{
			for(int i=l;i<=r;i++) ret=(ret+hh[k][i])%mod;
			return ret;
		}
		for(int i=id[l]+1;i<=id[r]-1;i++) ret=(ret+skh[k][i])%mod;
		for(int i=l;i<=R[id[l]];i++) ret=(ret+hh[k][i])%mod;
		for(int i=L[id[r]];i<=r;i++) ret=(ret+hh[k][i])%mod;
		return ret;
	}
	int ql,qr;
	ll ww=0;
	for(int i=0;i<=n;i+=k)
	{
		ql=max(l,i),qr=min(r,i+k-1);
		ret=(ret+qah(ql,qr)*invp[i])%mod;
	}
	return ret;
}
int main()
{
	//freopen("circle.in","r",stdin);
	//freopen("circle.out","w",stdout);
	char opt;
	ll x,w,l,r,k,s,t;
	ios::sync_with_stdio(0);
	cin.tie(0);cout.tie(0);
	cin>>n>>m>>q;
	for(int i=1;i<=n;i++) cin>>a[i];
	for(int i=1;i<=m;i++)
	{
		cin>>b[i];
		update(1,1,m,i,b[i]);
	}
	invp[0]=p[0]=sp[0]=1;
	for(int i=1;i<=n;i++)
	{
		p[i]=p[i-1]*base%mod;
		invp[i]=qp(p[i],mod-2);
		sp[i]=(p[i]+sp[i-1])%mod;
	}
	len=sqrt(n);
	for(int i=1;i<=n;i++) id[i]=(i-1)/len+1,L[i]=1e9;
	for(int i=1;i<=n;i++)
		L[id[i]]=min(L[id[i]],i),R[id[i]]=max(R[i],i),num=max(id[i],num);
	for(int i=1;i<=len;i++)
		for(int j=1;j<=n;j++)
		{
			hh[i][j]=a[j]*p[j%i]%mod;
			skh[i][id[j]]=(skh[i][id[j]]+a[j]*p[j%i])%mod;
			sk0[i][id[j]]=(sk0[i][id[j]]+a[j]*(j%i==0))%mod;
		}
	for(int i=1;i<=num;i++)
	{
		sumah[L[i]]=a[L[i]]*p[L[i]]%mod;
		for(int j=L[i]+1;j<=R[i];j++) sumah[j]=(sumah[j-1]+a[j]*p[j])%mod;
		sskah[i]=(sumah[R[i]]+sskah[i-1])%mod;
	}
	int sss;
	for(int i=1;i<=q;i++)
	{
		cin>>opt;
		if(opt=='U')
		{
			cin>>x>>w;
			w%=mod;
			upd0(x,w),updh(x,w),updah(x,w);
			a[x]=w;
		}
		if(opt=='Q')
		{
			cin>>l>>r>>s>>t;
			k=gcd((r-l+1),query(1,1,m,s,t));
			if(((q0(l,r,k)*sp[k-1])%mod+mod)%mod==(qh(l,r,k)%mod+mod)%mod) cout<<"Yes\n";
			else cout<<"No\n";
		}
	}
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 18164kb

input:

6 4 5
1 1 4 5 1 4
3 3 2 4
Q 1 5 1 2
Q 2 5 3 4
U 5 2
Q 1 6 1 2
Q 2 5 3 4

output:

Yes
No
No
Yes

result:

ok 4 tokens

Test #2:

score: 0
Accepted
time: 0ms
memory: 3672kb

input:

1 1 1
0
1
Q 1 1 1 1

output:

Yes

result:

ok "Yes"

Test #3:

score: 0
Accepted
time: 74ms
memory: 5088kb

input:

2000 2000 200000
1 1 2 0 0 2 0 2 0 0 0 0 0 2 2 1 2 0 0 2 2 2 1 0 1 2 1 2 0 0 1 1 1 2 0 0 2 2 2 2 0 2 0 0 2 1 2 0 0 1 2 2 1 0 2 0 0 0 1 2 2 1 2 2 0 0 1 1 1 0 0 2 0 0 1 1 0 2 2 2 1 0 0 1 0 1 2 2 2 1 1 2 2 1 2 1 0 2 2 3 1 3 2 3 1 0 1 2 0 1 1 1 0 2 2 3 2 0 3 2 3 3 1 2 3 1 2 0 1 0 3 1 0 0 2 0 1 2 1 3 2 2...

output:

Yes
Yes
No
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Yes
Yes
No
No
No
No
No
Yes
No
No
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
No
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No...

result:

ok 100554 tokens

Test #4:

score: 0
Accepted
time: 83ms
memory: 9396kb

input:

1 200000 200000
998244353
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

output:

Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
...

result:

ok 100240 tokens

Test #5:

score: 0
Accepted
time: 53ms
memory: 23504kb

input:

6 131072 200000
0 0 0 0 1000000000 1000000000
4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 ...

output:

Yes
Yes
Yes
No
No
No
Yes
No
No
No
No
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
No
No
No
No
No
No
No
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
Yes
Yes
No
Yes
N...

result:

ok 100021 tokens

Test #6:

score: -100
Memory Limit Exceeded

input:

200000 200000 200000
490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877...

output:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
Yes
Yes
Yes
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
Yes
Yes
No
No
No
No
No
No
No
No
N...

result: