高精度小数

 1 #include<stdio.h>
 2 
 3 int q, r;        //全局变量 
 4 int div(int a, int b);
 5 int main(void)
 6 {
 7     int a, b;
 8     int count = 0;
 9     
10     scanf("%d/%d", &a, &b);
11     printf("0.");
12     do
13     {
14         div(a, b);
15         printf("%d", q);
16         count++;
17         if (count == 200)
18         {
19             break;
20         }
21         a = r;
22     } while(r != 0);            
23 } 
24 
25 int div(int a, int b)
26 {
27     q = a * 10 / b;
28     r = a * 10 % b;
29 }