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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4.  
  5. int count = 0;
  6.  
  7. void RE(char a[])  /* 反轉字串 */
  8. {
  9.     int i, j;
  10.     int len = strlen(a);
  11.  
  12.     for (i = 0; i < len / 2; i++)
  13.     {
  14.         char temp = a[i];
  15.         a[i] = a[len - i - 1];
  16.         a[len - i - 1] = temp;
  17.     }
  18.  
  19.     for (j = 0; j < len; j++)  /* 如果開頭是0的話每一位往前 */
  20.         if (a[0] == '0')
  21.         {
  22.             for (i = 0; i < len - 1; i++)
  23.             {
  24.                 a[i] = a[i + 1];
  25.             }
  26.             a[i] = '\0';
  27.         }
  28.         else
  29.             break;
  30.     return;
  31. }
  32.  
  33. int main()
  34. {
  35.     int n, i, j;
  36.  
  37.     scanf("%d", &n);
  38.  
  39.     for (i = 0; i < n; i++)   /* N筆測資 */
  40.     {
  41.         count = 0;
  42.         char a[50];
  43.         char b[50];
  44.  
  45.         scanf("%s", a);
  46.  
  47.         long long int num;
  48.  
  49.         while (1)
  50.         {
  51.  
  52.             strcpy(b, a);
  53.  
  54.             RE(b);
  55.  
  56.  
  57.  
  58.             if (!strcmp(a, b) && count != 0)   
  59.             {
  60.                 printf("%d %s\n", count, a);
  61.                 break;
  62.             }
  63.  
  64.             else
  65.             {
  66.                 num = atoll(a) + atoll(b);  /*轉成long long int 輸出 */
  67.  
  68.                 count++;
  69.  
  70.                 sprintf(a, "%lld", num);  
  71.             }
  72.         }
  73.     }
  74.     return 0;
  75. }
  76.  
Time limit exceeded #stdin #stdout 5s 9424KB
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stdout 
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https://ideone.com/idULC4
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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