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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
#66926#5169. 夹娃娃Flamire0 13ms14240kbC++142.9kb2022-12-09 13:08:452022-12-09 13:08:47

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-12-09 13:08:47]
  • 评测
  • 测评结果:0
  • 用时:13ms
  • 内存:14240kb
  • [2022-12-09 13:08:45]
  • 提交

answer

#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;
int n,q,a[21],b[21][1011],lg[100011],c[21][1011],sum[1<<8][521][521],f[21][100011],nf[21][100011],prod[1<<8][521],pcnt[1<<8];char s[1011];
const int p=998244353;long long dp[1<<8][521][521];
namespace ntt
{
	int q,ord[100011];const int G=3;
	inline int qpow(int bs,int ex){int ans=1;while(ex){if(ex&1)ans=1ll*ans*bs%p;ex>>=1;bs=1ll*bs*bs%p;}return ans;}
	void ntt_init(int n,int m)
	{
		q=1;while(q<=n+m)q<<=1;
		ord[0]=0;for(int i=1;i<q;++i)ord[i]=ord[i>>1]>>1|(i&1?q>>1:0);
	}
	void ntt(int *f,bool dft)
	{
		for(int i=0;i<q;++i)if(i<ord[i])swap(f[i],f[ord[i]]);
		for(int len=2;len<=q;len<<=1)
		{
			int lp=len>>1,w=qpow(G,(p-1)/len);if(!dft)w=qpow(w,p-2);
			for(int i=0;i<q;i+=len)
			{
				int cur=1;
				for(int _=i;_<i+lp;++_)
				{
					int tmp=1ll*cur*f[_+lp]%p;
					f[_+lp]=f[_]-tmp;f[_+lp]<0&&(f[_+lp]+=p);
					f[_]+=tmp;f[_]>=p&&(f[_]-=p);cur=1ll*cur*w%p;
				}
			}
		}
	}
	void mul(int *f,int n,int *g,int m)
	{
		ntt_init(n,m);
		ntt(f,1);ntt(g,1);for(int i=0;i<q;++i)f[i]=1ll*f[i]*g[i]%p;ntt(f,0);
		int iq=qpow(q,p-2);
		for(int i=0;i<=n+m;++i)f[i]=1ll*f[i]*iq%p;
	}
};
int main()
{
	// f[0][0]=f[0][3]=f[0][6]=f[0][9]=f[0][12]=1;
	// nf[0][0]=nf[0][5]=nf[0][10]=nf[0][15]=nf[0][20]=nf[0][25]=nf[0][30]=1;
	// ntt::mul(f[0],520,nf[0],520);
	// for(int i=0;i<=10;++i)printf("%d ",f[0][i]);putchar(10);
	scanf("%d%d%*d",&n,&q);
	for(int i=1;i<=n;++i){scanf("%d",a+i);for(int j=1;j<=a[i];++j)scanf("%d%d",b[i]+j,c[i]+j);}
	for(int i=0;i<=n;++i)lg[1<<i]=i+1;
	for(int i=1;i<=n;++i)
	{
		f[i][0]=1;
		for(int j=1;j<=a[i];++j)
		{
			for(int _=0;_<=520;++_)nf[i][_]=0;
			for(int _=0;_*b[i][j]<=520&&_<=c[i][j];++_)nf[i][_*b[i][j]]=1;
			ntt::mul(f[i],520,nf[i],520);
			for(int _=521;_<=2048;++_)f[i][_]=nf[i][_]=0;
		}
		// for(int _=0;_<=520;++_)printf("%d ",f[i][_]);putchar(10);printf("\n");
	}
	dp[0][0][521]=1;
	for(int i=0;i<1<<n;++i)pcnt[i]=pcnt[i>>1]+(i&1);
	for(int i=0;i<1<<n;++i)
	{
		for(int _=0;_<=520;++_)
		{
			prod[i][_]=1;
			for(int __=1;__<=n;++__)if(i>>__-1&1)prod[i][_]=1ll*prod[i][_]*f[__][_]%p;
		}
	}
	for(int S=0;S<1<<n;++S)
	{
		for(int i=0;i<=520;++i)
		{
			for(int las=520;~las;--las)
			{
				for(int T=S;T;T=T-1&S)
				{
					if(i>=las*pcnt[T])dp[S][i][las]+=dp[S^T][i-las*pcnt[T]][las+1]*prod[T][las]%p;
				}
				dp[S][i][las]+=dp[S][i][las+1];
				dp[S][i][las]%=p;
				sum[S][i][las]=((i?sum[S][i-1][las]:0)+dp[S][i][las])%p;
			}
		}
	}
	// for(int S=0;S<1<<n;++S)
	// {
	// 	for(int i=0;i<=20;++i)
	// 	{
	// 		for(int las=0;las<=20;++las)printf("S:%d i:%d las:%d dp:%lld\n",S,i,las,dp[S][i][las]);
	// 	}
	// }
	while(q--)
	{
		int m,k;scanf("%s%d%d",s+1,&m,&k);
		int S=0;for(int i=1;i<=n;++i)S|=s[i]-'0'<<i-1;
		long long ans=0;
		for(int _=0;_<=m;++_)ans+=sum[S][_][k]*dp[(1<<n)-1^S][m-_][0]%p;
		printf("%lld\n",ans%p);
	}return 0;
}

詳細信息

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 13ms
memory: 14240kb

input:

1 521 998244353
39 520 520 11 22 414 8 95 18 229 356 26 407 316 10 24 26 19 61 11 130 482 476 420 15 192 193 208 24 19 233 494 217 275 294 26 28 439 20 272 277 28 198 5 335 22 8 28 17 154 78 6 13 175 17 2 5 477 256 200 4 1 36 427 371 439 23 10 65 426 25 24 27 121 29 28 13 12 453
0 520 1
1 519 1
1 51...

output:

38813347
22154243
567712996
960956978
22154233
960956968
567712974
22154207
567712948
22154175
960956896
960956868
22154091
960956786
960956732
960956668
960956592
567712512
960956386
22153513
567712114
960955920
22152965
567711464
22152413
960954806
960954408
567709954
22150661
960952772
22149313
9...

result:

wrong answer 2nd lines differ - expected: '922143638', found: '22154243'

Subtask #2:

score: 0
Skipped

Dependency #1:

0%

Subtask #3:

score: 0
Skipped

Dependency #2:

0%

Subtask #4:

score: 0
Time Limit Exceeded

Test #9:

score: 0
Time Limit Exceeded

input:

15 52099 998244353
1 9 3
1 9 4
1 9 2
1 8 10
1 4 4
1 3 1
1 2 5
1 4 9
1 1 4
1 9 4
1 7 6
1 1 6
1 2 5
1 5 2
1 3 5
101000000001010 516 1
010001001010101 520 2
000000101000001 519 2
101011111100011 518 1
010110001000111 520 2
000110111100111 516 1
000100101001011 519 3
000111001010011 518 1
00001110010111...

output:


result:


Subtask #5:

score: 0
Skipped

Dependency #3:

0%

Subtask #6:

score: 0
Skipped

Dependency #4:

0%

Subtask #7:

score: 0
Skipped

Dependency #6:

0%