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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     char str[200];
  5.     int nums[100], n = 0, target;
  6.  
  7.  
  8.     fgets(str, sizeof(str), stdin);
  9.  
  10.  
  11.     int i = 0, num = 0, reading = 0;
  12.     while (str[i] != ']') {
  13.         if (str[i] >= '0' && str[i] <= '9') {
  14.             num = num * 10 + (str[i] - '0');
  15.             reading = 1;
  16.         } else {
  17.             if (reading) {
  18.                 nums[n++] = num;
  19.                 num = 0;
  20.                 reading = 0;
  21.             }
  22.         }
  23.         i++;
  24.     }
  25.     if (reading) nums[n++] = num;
  26.  
  27.  
  28.     target = 0;
  29.     reading = 0;
  30.     while (str[i] != '\0') {
  31.         if (str[i] >= '0' && str[i] <= '9') {
  32.             target = target * 10 + (str[i] - '0');
  33.             reading = 1;
  34.         }
  35.         i++;
  36.     }
  37.  
  38.  
  39.     int first = -1, last = -1;
  40.     for (int j = 0; j < n; j++) {
  41.         if (nums[j] == target) {
  42.             first = j;
  43.             break;
  44.         }
  45.     }
  46.     for (int j = n - 1; j >= 0; j--) {
  47.         if (nums[j] == target) {
  48.             last = j;
  49.             break;
  50.         }
  51.     }
  52.  
  53.     printf("%d %d", first, last);
  54.     return 0;
  55. }
  56.  
Success #stdin #stdout 0.01s 5320KB
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stdout
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https://ideone.com/PlOCzg
language:
C (gcc 8.3)
created:
8 days ago
visibility:
public

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