fork download
copy 
  1. #include <stdio.h>
  2. //練習問題E
  3. int tri(int n){
  4. 	if(n==0 || n==1)return 0;
  5. 	else if(n==2)return 1;
  6. 	else return tri(n-1)+tri(n-2)+tri(n-3);
  7. }
  8.  
  9. int main(void) {
  10. 	int n = 7;
  11.     printf("数列Tnについて, n=%dのときの値は%d\n", n, tri(n));
  12. 	return 0;
  13. }
  14.  
Success #stdin #stdout 0s 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/wSDDr9
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!