Files
OI-source/1.5020.cpp
2023-08-03 09:22:52 +08:00

33 lines
656 B
C++

#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;
const int maxn=105;
const int maxv=25005;
int T,n,a[maxn];
int vis[maxv];
int solve()
{
int maxv=a[1];
for(int i=2;i<=n;i++) maxv=max(maxv,a[i]);
memset(vis,0,sizeof(vis));
vis[0]=1;
for(int i=1;i<=n;i++)
for(int k=0;k+a[i]<=maxv;k++)
vis[k+a[i]]=min(2,vis[k+a[i]]+vis[k]);
int res=n;
for(int i=1;i<=n;i++) if(vis[a[i]]>=2) res--;
return res;
}
int main()
{
scanf("%d",&T);
while(T-->0)
{
scanf("%d",&n);
for(int i=1;i<=n;i++) scanf("%d",&a[i]);
printf("%d\n",solve());
}
return 0;
}