28 lines
365 B
C++
28 lines
365 B
C++
#include<cstdio>
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int a[22],n,k;
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bool dfs(int i,int sum)
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{
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if(i==n) return sum==k;
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if(dfs(i+1,sum)) return 1;
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if(dfs(i+1,sum+a[i])) return 1;
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return 0;
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}
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void init()
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{
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int i;
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scanf("%d",&n);
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for(i=0;i<n;i++) scanf("%d",a+i);
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scanf("%d",&k);
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}
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void solve()
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{
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if(dfs(0,0)) printf("Yes\n");
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else printf("No\n");
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}
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int main()
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{
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init();
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solve();
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return 0;
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}
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