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  1. #include <stdio.h>
  2. //練習問題F
  3.  
  4. int func(int n){
  5.     if(n==0)
  6.     return -1;
  7.     else
  8.     return 3*func(n-1)+5;
  9.  
  10.     }
  11.  
  12.  
  13.  
  14.  
  15. int main(void) {
  16. 	int n = 3;
  17.     printf("数列anについて, n=%dのときの値は%d\n", n, func(n));
  18. 	return 0;
  19. }
  20.  
Success #stdin #stdout 0s 5312KB
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数列anについて, n=3のときの値は38
https://ideone.com/tRzyCs
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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