| ||||||||||
| Online Judge | Problem Set | Authors | Online Contests | User | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Web Board Home Page F.A.Qs Statistical Charts | Current Contest Past Contests Scheduled Contests Award Contest | |||||||||
判断一个浮点数是否为0不能直接与0比较!我在注释里指出了错误。In Reply To: 兄弟,帮个忙吧,为什么输入0以后还显示运算结果呢? Posted by:211211 at 2003-11-21 15:13:09 > #include<stdio.h>
> #include<math.h>
> void main(){
> int i;
> float a ; // 加上 scanf("%f",&a);
> while (a!=0.00) { //改成while(fabs(a)>0.000001)
> //判断一个浮点数a是否为0
scanf ("%f",&a); //这句去掉!!
int m=0;
> float sum=0;
> for (i=2;i<276;i++){
> if (sum<a)
> sum+=float(1./i);
> m+=1;
> if (sum>=a) break;
> }
> printf("%d\n",m);//此句后加上 scanf("%f",&a);
> }
>
> }
Followed by:
Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator