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  1. #include <stdio.h>
  2. #include <string.h>
  3. int main() 
  4. {
  5.     char str[100];
  6.     scanf("%s", str);
  7.     int len = strlen(str);
  8.     int first = -1, count = 0;
  9.     for (int i = 0; i < len; i++) 
  10. 	{
  11.         if (str[i] == 'k') 
  12. 		{
  13.             if (count == 0) {
  14.                 first = i;
  15.             }
  16.             count++;
  17.             printf("%d ", i);
  18.         }
  19.     }
  20.     if (first == -1) {
  21.         printf("Not found!");
  22.     }
  23.     return 0;
  24. }
Success #stdin #stdout 0s 5288KB
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Not found!
https://ideone.com/79vC85
language:
C (gcc 8.3)
created:
8 days ago
visibility:
public

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