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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#816865#9870. ItemsCoffinsWA 160ms13912kbC++141.8kb2024-12-16 18:46:392024-12-16 18:46:40

Judging History

你现在查看的是最新测评结果

  • [2024-12-16 18:46:40]
  • 评测
  • 测评结果:WA
  • 用时:160ms
  • 内存:13912kb
  • [2024-12-16 18:46:39]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
using ll=long long;
const int N=1<<19;
const int p=998244353;
const int ig=(p+1)/3;
int n,k,l,a[N],q,r,d;ll m;
ll f[N],g[N],A[N],B[N];int rv[N];
ll ksm(ll a,ll b)
{
    ll ans=1;while(b)
    {
        if(b&1)ans=ans*a%p;
        a=a*a%p,b>>=1;
    }return ans;
}
void init(int n)
{
    for(int i=0;i<=n;i++)
    {
        rv[i]=rv[i>>1]>>1;
        if(i&1)rv[i]|=(l>>1);
    }
}void NTT(ll *a,int n,int o)
{
    for(int i=0;i<n;i++)
    if(rv[i]<i)swap(a[i],a[rv[i]]);
    for(int d=1;d<n;d<<=1)
    {
        ll bs=ksm(ig,(p-1)/d/2);
        if(~o)bs=ksm(bs,p-2);
        for(int i=0;i<n;i+=(d<<1))
        {
            ll vl=1;
            for(int j=i;j<i+d;j++)
            {
                ll x=a[j],y=a[j+d]*vl%p;
                if((a[j]=x+y)>=p)a[j]-=p;
                if((a[j+d]=x+p-y)>=p)a[j+d]-=p;
                vl=vl*bs%p;
            }
        }
    }if(o==-1)
    {
        const ll vl=ksm(n,p-2);
        for(int i=0;i<n;i++)
        a[i]=a[i]*vl%p;
    }
}void mul(ll *f,ll *g)
{
    for(int i=0;i<l;i++)A[i]=f[i];
    for(int i=0;i<l;i++)B[i]=g[i];
    NTT(A,l,1),NTT(B,l,1);
    for(int i=0;i<l;i++)
    A[i]=A[i]*B[i]%p;
    NTT(A,l,-1);
    for(int i=0;i<l;i++)
    if(i+d<l)f[i]=A[i+d];
    else f[i]=0;
}
void solve()
{
    cin>>n>>m;k=n,q=m/n,r=m%n,d=n-r;
    l=1;while(l<=(n<<2))l<<=1;init(l);
    for(int i=1;i<=n;i++)cin>>a[i];
    for(int i=0;i<l;i++)f[i]=0;
    for(int i=0;i<l;i++)g[i]=0;g[d]=1;
    for(int i=1;i<=n;i++)
    {
        const int c=a[i]-q+d;
        if(0<=c&&c<l)f[c]=1;
    }
    while(k)
    {
        if(k&1)mul(g,f);
        mul(f,f),k>>=1;
    }if(g[r+d])cout<<"Yes\n";
    else cout<<"No\n";
}
int main()
{
    ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int t;cin>>t;while(t--)solve();return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 13888kb

input:

4
5 25
0 0 0 0 5
5 11
4 4 4 5 5
5 0
1 2 3 4 5
5 25
0 1 2 3 4

output:

Yes
No
No
No

result:

ok 4 token(s): yes count is 1, no count is 3

Test #2:

score: 0
Accepted
time: 16ms
memory: 13912kb

input:

1314
1 0
0
1 0
1
1 1
0
1 1
1
2 0
0 0
2 0
0 1
2 0
0 2
2 0
1 0
2 0
1 1
2 0
1 2
2 0
2 0
2 0
2 1
2 0
2 2
2 1
0 0
2 1
0 1
2 1
0 2
2 1
1 0
2 1
1 1
2 1
1 2
2 1
2 0
2 1
2 1
2 1
2 2
2 2
0 0
2 2
0 1
2 2
0 2
2 2
1 0
2 2
1 1
2 2
1 2
2 2
2 0
2 2
2 1
2 2
2 2
2 3
0 0
2 3
0 1
2 3
0 2
2 3
1 0
2 3
1 1
2 3
1 2
2 3
2 0...

output:

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

result:

ok 1314 token(s): yes count is 732, no count is 582

Test #3:

score: -100
Wrong Answer
time: 160ms
memory: 13832kb

input:

10000
4 1
0 0 0 0
4 1
0 0 0 1
4 1
0 0 0 2
4 1
0 0 0 3
4 1
0 0 0 4
4 1
0 0 1 0
4 1
0 0 1 1
4 1
0 0 1 2
4 1
0 0 1 3
4 1
0 0 1 4
4 1
0 0 2 0
4 1
0 0 2 1
4 1
0 0 2 2
4 1
0 0 2 3
4 1
0 0 2 4
4 1
0 0 3 0
4 1
0 0 3 1
4 1
0 0 3 2
4 1
0 0 3 3
4 1
0 0 3 4
4 1
0 0 4 0
4 1
0 0 4 1
4 1
0 0 4 2
4 1
0 0 4 3
4 1
0 ...

output:

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

result:

wrong answer expected YES, found NO [6270th token]