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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:
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