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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#382959#7782. Ursa MinorGraphcityWA 2062ms379368kbC++202.8kb2024-04-08 20:30:442024-04-08 20:30:48

Judging History

你现在查看的是最新测评结果

  • [2024-04-08 20:30:48]
  • 评测
  • 测评结果:WA
  • 用时:2062ms
  • 内存:379368kb
  • [2024-04-08 20:30:44]
  • 提交

answer

#include<bits/stdc++.h>
#define For(i,a,b) for(int i=(a);i<=(b);++i)
#define Rof(i,a,b) for(int i=(a);i>=(b);--i)
using namespace std;
const int Maxn=2e5+2,B=448;
const int base=1145141,Mod=1e9+7;

inline int Pow(int x,int y)
{
    int res=1;
    while(y)
    {
        if(y&1) res=1ll*res*x%Mod;
        x=1ll*x*x%Mod,y>>=1;
    }
    return res;
}

int n,m,q,a[Maxn+5],b[Maxn+5],st[Maxn+5][20],pw[Maxn+5];
int L[Maxn+5],R[Maxn+5],idx[Maxn+5],iv[Maxn+5],tot;
inline int Get(int l,int r)
{int len=__lg(r-l+1); return __gcd(st[l][len],st[r-(1<<len)+1][len]);}

struct Block
{
    int sum[B+5],a[Maxn+5];
    inline void Upd(int x,int y)
    {sum[idx[x]]=(1ll*sum[idx[x]]-a[x]+y+Mod)%Mod,a[x]=y;}
    inline int Count(int x)
    {
        if(x==0) return 0;
        int res=0; For(i,1,idx[x]-1) res=(res+sum[i])%Mod;
        For(i,L[idx[x]],x) res=(res+a[i])%Mod; return res;
    }
} T[B+2];

struct Fenwick
{
    int sum[Maxn+5],pr[Maxn+5],a[Maxn+5];
    inline void Upd(int x,int y)
    {
        int dlt=(y-a[x]+Mod)%Mod; a[x]=y;
        For(i,x,R[idx[x]]) pr[i]=(pr[i]+dlt)%Mod;
        For(i,idx[x],tot) sum[i]=(sum[i]+dlt)%Mod;
    }
    inline int Count(int x) {return x==0?0:(sum[idx[x]-1]+pr[x])%Mod;}
} F1,F2;

int main()
{
    // freopen("1.in","r",stdin);

    cin>>n>>m>>q; For(i,1,n) cin>>a[i];
    pw[0]=1; For(i,1,Maxn) pw[i]=1ll*pw[i-1]*base%Mod;
    iv[0]=1; For(i,1,Maxn) iv[i]=Pow(pw[i],Mod-2);
    For(i,1,m) cin>>b[i],st[i][0]=b[i];
    For(j,1,19) for(int i=1;i+(1<<j)-1<=m;++i)
        st[i][j]=__gcd(st[i][j-1],st[i+(1<<j-1)][j-1]);
    for(int i=1;i<=n;i+=B) L[++tot]=i,R[tot]=min(n,i+B-1);
    For(i,1,tot) For(j,L[i],R[i]) idx[j]=i;
    For(i,1,n) For(j,1,B) T[j].Upd(i,1ll*a[i]*pw[i%j]%Mod);
    For(i,1,n) F1.Upd(i,a[i]),F2.Upd(i,1ll*a[i]*pw[i]%Mod);
    while(q--)
    {
        char ch; int l,r,x,y; cin>>ch;
        if(ch=='U')
        {
            cin>>x>>y;
            For(i,1,B) T[i].Upd(x,1ll*y*pw[x%i]%Mod);
            F1.Upd(x,y),F2.Upd(x,1ll*y*pw[x]%Mod);
        }
        if(ch=='Q')
        {
            cin>>l>>r>>x>>y; int k=__gcd(Get(x,y),r-l+1);
            int sum=(F1.Count(r)-F1.Count(l-1)+Mod)%Mod;
            sum=1ll*sum*Pow(k,Mod-2)%Mod;
            sum=1ll*sum*(pw[k]-1)%Mod*Pow(base-1,Mod-2)%Mod;
            int all=0;
            if(k<=B) all=(T[k].Count(r)-T[k].Count(l-1)+Mod)%Mod;
            else
            {
                For(i,1,n/k)
                {
                    int a=i*k,b=(i+1)*k-1; a=max(a,l),b=min(b,r);
                    if(a<=b)
                    {
                        int now=(F2.Count(b)-F2.Count(a-1)+Mod)%Mod;
                        all=(all+1ll*now*iv[i*k]%Mod)%Mod;
                    }
                }
            }
            puts(sum==all?"Yes":"No");
        }
    }
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 23ms
memory: 12376kb

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: 28ms
memory: 14356kb

input:

1 1 1
0
1
Q 1 1 1 1

output:

Yes

result:

ok "Yes"

Test #3:

score: 0
Accepted
time: 647ms
memory: 15936kb

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: 370ms
memory: 26612kb

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: 339ms
memory: 24740kb

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
Wrong Answer
time: 2062ms
memory: 379368kb

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:

wrong answer 180566th words differ - expected: 'Yes', found: 'No'