25 lines
432 B
C++
25 lines
432 B
C++
#include<stdio.h>
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#include<algorithm>
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#include<string.h>
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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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double sum;
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int f=1;
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while(scanf("%d",&n)!=EOF)
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{
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if(f)
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{
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printf("# Cards Overhang\n");f=0;
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}
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sum=0;
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for(i=1;i<=n;i++)
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{
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sum=sum+1.0/(2*i);
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}
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printf("%5d %.3lf\n",n,sum);
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}
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return 0;
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}
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