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  1. #include <stdio.h>
  2. //課題3
  3. int rec(int n){
  4. if(n==0){
  5. return 3;
  6. }
  7. else if(n==1){
  8. return 0;
  9. }
  10. else if(n==2){
  11. return 2;
  12. }
  13. else{
  14. return rec(n-2)+rec(n-3);
  15. }
  16. }
  17.  
  18. int main(void) {
  19. int n = 50;
  20. for(int i = 0; i <= n; i++){
  21. printf("%d, ", rec(i));
  22. }
  23.  
  24. return 0;
  25. }
  26.  
  27.  
Success #stdin #stdout 0.02s 5324KB
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,