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  1. #include <stdio.h>
  2. //課題3
  3. int rec(int n){
  4. if(n == 0) return 3;
  5. else if (n == 1) return 0;
  6. else if (n == 2) return 2;
  7. return rec(n-2) + rec(n-3);
  8. //rec内を完成させてください
  9.  
  10. }
  11.  
  12. int main(void) {
  13. int n = 50;
  14. for(int i = 0; i <= n; i++){
  15. printf("%d, ", rec(i));
  16. }
  17.  
  18. return 0;
  19. }
  20.  
  21.  
Success #stdin #stdout 0.02s 5288KB
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,