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  1. #include <stdio.h>
  2.  
  3. void sequence(int n)
  4. {
  5. if (n > 0) {
  6. printf("%d ", n); sequence(n-5); printf(" %d", n);
  7. } else {
  8. printf("%d", n);
  9. }
  10. }
  11.  
  12. int main() {
  13. sequence(16); printf("\n");
  14. sequence(10); printf("\n");
  15. sequence(9); printf("\n");
  16. return 0;
  17. }
Success #stdin #stdout 0s 3460KB
stdin
Standard input is empty
stdout
16 11 6 1 -4 1 6 11 16
10 5 0 5 10
9 4 -1 4 9