fork download
copy 
  1. #include <stdio.h>
  2. //練習問題E
  3. int tri(int n){
  4. if(n==0||n==1){
  5. return 0;}
  6. else if(n==2){
  7. return 1;}
  8. else{
  9. return tri(n-1)+tri(n-2)+tri(n-3);}
  10. }
  11.  
  12.  
  13.  
  14.  
  15. int main(void) {
  16. 	int n = 7;
  17.     printf("数列Tnについて, n=%dのときの値は%d\n", n, tri(n));
  18. 	return 0;
  19. }
  20.  
Success #stdin #stdout 0.01s 5316KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
数列Tnについて, n=7のときの値は13
https://ideone.com/scZW9G
language:
C (gcc 8.3)
created:
1 day 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!