数学趣题——三重回文数字

找出11——999之间的所有三重回文数字,就是a的a,a平方,a立方都是回文

   1: #include "stdio.h"
   2:  
   3: long reverse(long i)
   4: {   /*求i 的倒置数*/
   5:     long m, j = 0;
   6:     m = i;
   7:  
   8:     while(m) {
   9:         j = j * 10 + m % 10;
  10:         m = m / 10;
  11:     }
  12:  
  13:     return j;   /*返回i的倒置数j*/
  14: }
  15:  
  16: long isCircle(long n)
  17: {   /*函数isCircle 判断n是否是回文数字*/
  18:     long m;
  19:     m = reverse(n);
  20:  
  21:     if(m == n)
  22:         return 1;
  23:     else
  24:         return 0;
  25: }
  26:  
  27: void palindrome(long low, long high)
  28: {
  29:     long i;
  30:  
  31:     for(i = low; i <= high; i++)
  32:     {
  33:         if(isCircle(i) && isCircle(i * i) && isCircle(i * i * i))
  34:             printf("%d ", i);
  35:     }
  36: }
  37:  
  38: int main()
  39: {
  40:     printf("The palindrome numbers between 11~999 are\n");
  41:     palindrome(11, 999);
  42:     return 0;
  43: }

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