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  1. #include <stdio.h>
  2.  
  3. int main(void)
  4. {
  5. 	char arr[254];
  6. 	int i = 0;
  7. 	while (scanf("%c", &arr[i]) != EOF)
  8. 	{
  9. 		scanf("%c", &arr[i]);
  10. 		i++;
  11. 	}
  12. 	for (i = i; i >= 0; i--)
  13. 	{
  14. 		printf("%c", arr[i]);
  15. 	}
  16. 	return 0;
  17. }
Success #stdin #stdout 0.01s 5268KB
comments (?)
stdin
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Hello world!
stdout
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!lo le
https://ideone.com/WeuOkh
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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