fork(1) download
copy 
  1. #include <stdio.h>
  2.  
  3. // 課題3 修正版
  4. int rec(int n){
  5.     if(n<0){
  6.         return 0; 
  7.     } else if(n == 0){
  8.         return 3;
  9.     } else if(n == 1){
  10.         return 0;
  11.     } else if(n == 2){
  12.         return 2;
  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.     return 0;
  24. }
Success #stdin #stdout 0.02s 5320KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
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/3QgVoP
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!