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  1. #include <stdio.h>
  2. //課題3
  3. int rec(int n){
  4. //rec内を完成させてください
  5. if(n==0)
  6. return 3;
  7. else if(n==1)
  8. return 0;
  9. else if(n==2)
  10. return 2;
  11. else
  12. return rec(n-2)+rec(n-3);
  13. }
  14.  
  15. int main(void) {
  16. int n = 50;
  17. for(int i = 0; i <= n; i++){
  18. printf("%d, ", rec(i));
  19. }
  20.  
  21. return 0;
  22. }
Success #stdin #stdout 0.01s 5312KB
stdin
Standard input is empty
stdout
3, 0, 2, 3, 2, 5, 5, 7, 10, 12, 17, 22, 29, 39, 51, 68, 90, 119, 158, 209, 277, 367, 486, 644, 853, 1130, 1497, 1983, 2627, 3480, 4610, 6107, 8090, 10717, 14197, 18807, 24914, 33004, 43721, 57918, 76725, 101639, 134643, 178364, 236282, 313007, 414646, 549289, 727653, 963935, 1276942,