QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#382953 | #7782. Ursa Minor | Graphcity | WA | 1858ms | 377080kb | C++20 | 2.8kb | 2024-04-08 20:28:58 | 2024-04-08 20:28:58 |
Judging History
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=19260817,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: 26ms
memory: 7912kb
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: 26ms
memory: 7848kb
input:
1 1 1 0 1 Q 1 1 1 1
output:
Yes
result:
ok "Yes"
Test #3:
score: 0
Accepted
time: 551ms
memory: 11500kb
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: 359ms
memory: 24244kb
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: 355ms
memory: 18664kb
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: 1858ms
memory: 377080kb
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'