16 lines
285 B
C++
16 lines
285 B
C++
#include<cstdio>
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int n,m,a[1005],f[10005];
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int main()
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{
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#ifdef local
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freopen("pro.in","r",stdin);
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#endif
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scanf("%d%d",&n,&m);
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for(int i=1;i<=n;i++) scanf("%d",&a[i]);
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f[0]=1;
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for(int i=1;i<=n;i++)
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for(int j=m;j>=a[i];j--)
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f[j]+=f[j-a[i]];
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printf("%d\n",f[m]);
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return 0;
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} |