deck.txt

以前ACM在哈工程HRBEU做的一些简单题目

#include<stdio.h>

double a[100000];

int main()
{
int i;
a[0] = 0;
for( i = 1; i < 100000; i ++ )
   a[i] = a[i-1] + 1.0/(i*2) ;
printf("Cards  Overhang\n");
while( scanf("%d",&i) != EOF )
{
   printf("%5d%10.3lf\n",i,a[i]);
}
return 0;
}