54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
#include<iostream>
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#include<cstdio>
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#include<cstring>
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#include<cmath>
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#include<algorithm>
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#define N 10005
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#define LL long long
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#define inf 1<<29
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#define eps 1e-7
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using namespace std;
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int n,a[100],m,k,cnt,sg[1005];
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int get_sg(int n){
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if(sg[n]!=-1)
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return sg[n];
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int vis[10000];
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memset(vis,0,sizeof(vis));
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for(int i=0;i<cnt&&a[i]<=n;i++){
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for(int j=0;j<=(n-a[i]);j++){
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if(sg[j]==-1)
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sg[j]=get_sg(j);
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if(sg[n-j-a[i]]==-1)
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sg[n-j-a[i]]=get_sg(n-j-a[i]);
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vis[sg[j]^sg[n-j-a[i]]]=1;
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}
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}
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for(int i=0;;i++)
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if(vis[i]==0)
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return i;
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}
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int main(){
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while(scanf("%d",&n)!=EOF){
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for(int i=0;i<n;i++)
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scanf("%d",&a[i]);
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sort(a,a+n);
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cnt=1;
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for(int i=1;i<n;i++)
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if(a[i]!=a[cnt-1])
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a[cnt++]=a[i];
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int q;
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scanf("%d",&q);
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memset(sg,-1,sizeof(sg));
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while(q--){
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scanf("%d",&k);
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if(sg[k]==-1)
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sg[k]=get_sg(k);
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if(sg[k])
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puts("1");
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else
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puts("2");
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}
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}
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return 0;
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}
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