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  1. #include <stdio.h>
  2. int func(int n) {
  3. 	if (n <= 0) {
  4. 		printf("0");
  5. 	}
  6. 	else {
  7. 		printf("%d", n);
  8. 		func(n - 2);
  9. 		printf("%d", n);
  10. 	}
  11. }
  12. int main(void) {
  13. 	func(5);
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5320KB
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5310135
https://ideone.com/Hae2jM
language:
C (gcc 8.3)
created:
6 hours ago
visibility:
public

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