QOJ.ac
QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#816936 | #9870. Items | Coffins | WA | 156ms | 13976kb | C++14 | 1.8kb | 2024-12-16 19:17:29 | 2024-12-16 19:17:29 |
Judging History
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;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]|=(n>>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,int d)
{
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&&A[i+d])f[i]=1;
else f[i]=0;
}void calc(int k)
{
if(!k)return;
calc(k>>1);
mul(g,g,n);
if(k&1)mul(g,f,q);
}
void solve()
{
cin>>n>>m;k=n,q=m/n,r=m%n;
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[n]=1;
for(int i=1;i<=n;i++)f[a[i]]=1;
calc(k);if(g[r+n])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;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 13880kb
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: 20ms
memory: 13852kb
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: 0
Accepted
time: 156ms
memory: 13840kb
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:
ok 10000 token(s): yes count is 6168, no count is 3832
Test #4:
score: 0
Accepted
time: 34ms
memory: 13892kb
input:
1612 5 0 0 0 0 0 0 5 0 1 1 1 1 1 5 0 0 1 1 1 1 5 0 2 2 2 2 2 5 0 0 2 2 2 2 5 0 1 2 2 2 2 5 0 0 1 2 2 2 5 0 3 3 3 3 3 5 0 0 3 3 3 3 5 0 1 3 3 3 3 5 0 0 1 3 3 3 5 0 2 3 3 3 3 5 0 0 2 3 3 3 5 0 1 2 3 3 3 5 0 0 1 2 3 3 5 0 4 4 4 4 4 5 0 0 4 4 4 4 5 0 1 4 4 4 4 5 0 0 1 4 4 4 5 0 2 4 4 4 4 5 0 0 2 4 4 4 5...
output:
Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No No No Yes No No No Yes No No No Yes No No No Yes No No No Yes No No No Yes No No No...
result:
ok 1612 token(s): yes count is 864, no count is 748
Test #5:
score: -100
Wrong Answer
time: 94ms
memory: 13976kb
input:
4662 6 0 0 0 0 0 0 0 6 0 1 1 1 1 1 1 6 0 0 1 1 1 1 1 6 0 2 2 2 2 2 2 6 0 0 2 2 2 2 2 6 0 1 2 2 2 2 2 6 0 0 1 2 2 2 2 6 0 3 3 3 3 3 3 6 0 0 3 3 3 3 3 6 0 1 3 3 3 3 3 6 0 0 1 3 3 3 3 6 0 2 3 3 3 3 3 6 0 0 2 3 3 3 3 6 0 1 2 3 3 3 3 6 0 0 1 2 3 3 3 6 0 4 4 4 4 4 4 6 0 0 4 4 4 4 4 6 0 1 4 4 4 4 4 6 0 0 1...
output:
Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes Yes Yes Yes Yes No Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes...
result:
wrong answer expected NO, found YES [68th token]