52 lines
1.0 KiB
C++
52 lines
1.0 KiB
C++
#include<cstdio>
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#include<iostream>
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#include<cstring>
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using namespace std;
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int v[105],num[105];
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int dp[100010];
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int main()
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{
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int i,j,k,n,m,tmp,sum;
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while(cin>>n>>m,(m+n))
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{
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sum=0;
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memset(dp,0,sizeof(dp));
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dp[0]=1;
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for(i=1;i<=n;i++)
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{
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cin>>v[i];
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}
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for(i=1;i<=n;i++)
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{
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cin>>num[i];
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}
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for(i=1;i<=n;i++)
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{
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tmp=num[i];
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for(j=1;j<=tmp;j*=2)
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{
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for(k=m;k>=j*v[i];k--)
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{
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dp[k]+=dp[k-j*v[i]];
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}
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tmp-=j;
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}
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if(tmp)
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{
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for(k=m;k>=tmp*v[i];k--)
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{
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dp[k]+=dp[k-tmp*v[i]];
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}
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}
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}
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for(j=1;j<=m;j++)
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{
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if(dp[j])
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{
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sum++;
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}
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}
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cout<<sum<<endl;
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}
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}
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