21 lines
254 B
C++
21 lines
254 B
C++
#include<cstdio>
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int f[1001];
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int search(int n)
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{
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if (f[n]) return f[n];
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for (int i=0;i<=n/2;i++)
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f[n]=f[n]+search(i);
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return f[n];
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}
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int main(void)
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{
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int n;
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scanf("%d",&n);
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f[0]=1;
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printf("%d\n",search(n));
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return 0;
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}
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