21 lines
310 B
C++
21 lines
310 B
C++
#include <cstdio>
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#include <cstring>
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#include <iostream>
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#include <cmath>
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using namespace std;
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int main()
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{
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int n,i;
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long long f[1001];
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cin>>n;
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memset(f,0,sizeof(f)); f[1]=1;
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for (i=2;i<=n;i++)
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if (i%2==1) f[i]=f[i-1]; else f[i]=f[i-1]+f[i/2];
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cout<<f[n];
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return 0;
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}
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