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Re:大牛看看为什么会错啊？打表法

Posted by kuzalid at 2009-10-07 10:32:38 on Problem 1607
In Reply To:大牛看看为什么会错啊？打表法 Posted by:hmh0512 at 2009-08-01 19:50:50

> #include <stdio.h>
> main()
> {
> 	long n,i;
> 	double a[100000];
> 	a[0]=0;
> 	for(i=1;i<100000;i++)
> 		a[i]+=a[i-1]+0.5/i;	
> 	printf("Cards  Overhang\n");
> 	while(scanf("%d",&n)!=EOF)
> 		printf("%5d     %.3lf\n",n,a[n]);
> }


for(i=1;i<100000;i++)
		a[i]+=a[i-1]+0.5/i;
你的程序解法本身有错误,i是以i+=2递增的,不是加1~~

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