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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.     unsigned int i = 0;
  6.     char arr[] = "XXXXXOXXXXOXXXXOXXXXOXXX\0";
  7.  
  8.     while(arr[++i]) {
  9.     	if (!(arr[i] ^ 'O')) {
  10.     		printf("%d, ", i);
  11.     	}
  12.     }
  13.  
  14.     return 0;
  15. }
Success #stdin #stdout 0s 2168KB
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Standard input is empty
stdout
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5, 10, 15, 20,
https://ideone.com/iuKndp
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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