17 lines
287 B
C++
17 lines
287 B
C++
#include<iostream>
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#include<cmath>
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using namespace std;
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int n,m,i,j,a[500],f[500];
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int main()
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{
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cin>>n>>m;
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for(i=1; i<=n; i++) cin>>a[i];
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for(i=1; i<=n; i++)
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for(j=m; j>=a[i]; j--)
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{
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f[j]=max(f[j-a[i]]+a[i],f[j]);
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}
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if(f[m]==m) cout<<"yes";
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else cout<<"no";
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}
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