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  1. #include <stdio.h>
  2. //練習問題D
  3. //a0=-1
  4. //an=3an-1+5
  5.  
  6. int func(int n){
  7. 	int m;
  8. 	if(n==0){
  9. 		m=-1;
  10. 		return m;
  11. 	}
  12.  
  13. 	else{
  14. 		m=3*func(n-1)+5;
  15. 		return m;
  16. 	} 
  17. }
  18.  
  19. int main(void) {
  20. 	int n = 4, m;
  21.     m = func(n);
  22.     printf("数列anについて, n=%dのときの値は%d\n", n, m);
  23. 	return 0;
  24. }
  25.  
Success #stdin #stdout 0s 5316KB
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数列anについて, n=4のときの値は119
https://ideone.com/9ze2Ur
language:
C (gcc 8.3)
created:
19 days ago
visibility:
public

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