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  1. #include <stdio.h>
  2. //練習問題F
  3.  
  4. int func(int n){
  5.     int a=-1;
  6.     int i;  
  7.     for(i=0;i<n;i++)
  8.     {
  9.     	a=3*a+5;
  10.     }
  11.  
  12.      return a;
  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 5316KB
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数列anについて, n=3のときの値は38
https://ideone.com/wmjq4z
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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