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  1. #include <stdio.h>
  2. int func(int n){
  3.     if(n == 0){
  4.         return -1;
  5.     }
  6.     return 3 * func(n - 1) + 5;
  7. }
  8.  
  9.  
  10. int main(void) {
  11. 	int n = 3, m;
  12.     m = func(n);
  13.     printf("数列anについて, n=%dのときの値は%d\n", n, m);
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5312KB
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Standard input is empty
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数列anについて, n=3のときの値は38
https://ideone.com/zGISc4
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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