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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.  
  8. else return rec(n-2) + rec(n-3);
  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 0.01s 5316KB
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,