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  1. #include <stdio.h>
  2. //練習問題E
  3. int tri(int n) {
  4.  
  5. if(n==0)
  6. {
  7. 	return 0;
  8. }
  9.  
  10. else if(n==1)
  11. {
  12. 	return 0;
  13. }
  14.  
  15. else if(n==2)
  16. {
  17. 	return 1;
  18. }
  19.  
  20. else
  21. {
  22. 	return tri(n-1)+tri(n-2)+tri(n-3);
  23. }
  24.  
  25. }
  26.  
  27. int main(void) {
  28. 	int n = 7;
  29. 	tri(n);
  30.     printf("数列Tnについて, n=%dのときの値は%d\n", n, tri(n));
  31. 	return 0;
  32. }
  33.  
Success #stdin #stdout 0s 5312KB
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stdin
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Standard input is empty
stdout
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数列Tnについて, n=7のときの値は13
https://ideone.com/dMuetw
プログラミング2 第6回 練習問題E
language:
C (gcc 8.3)
created:
14 days ago
visibility:
public

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