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  1. #include <stdio.h>
  2. //課題3
  3. int rec(int n){
  4.  
  5. if(n==0){
  6. return 3;
  7. }
  8. else if(n==1){
  9. return 0;
  10. }
  11. else if(n==2){
  12. return 2;
  13. }
  14. else{
  15. return rec(n-2)+rec(n-3);
  16. }
  17. }
  18.  
  19. int main(void) {
  20. int n = 50;
  21. for(int i = 0; i <= n; i++){
  22. printf("%d, ", rec(i));
  23. }
  24.  
  25. return 0;
  26. }
  27.  
  28.  
Success #stdin #stdout 0.01s 5280KB
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,