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  1. #include <stdio.h>
  2. //課題3
  3. int rec(int n){
  4. if (n == 0) return 3;
  5.     if (n == 1) return 0;
  6.     if (n == 2) return 2;
  7.  
  8.     // 漸化式: an = an-2 + an-3
  9.     return rec(n - 2) + rec(n - 3);
  10.  
  11. }
  12.  
  13. int main(void) {
  14.     int n = 50; 
  15.     for(int i = 0; i <= n; i++){
  16.         printf("%d, ", rec(i));
  17.     }
  18.  
  19. 	return 0;
  20. }
  21.  
  22.  
Success #stdin #stdout 0.01s 5320KB
comments (?)
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,
https://ideone.com/XBhVyT
language:
C (gcc 8.3)
created:
18 hours ago
visibility:
public

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