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  1. #include <stdio.h>
  2. int func (int n){
  3. 	if (n==0){
  4. 		return -1;
  5. 	}else{
  6. 		return 3*func(n-1)+5;
  7. 	}
  8.  
  9.  
  10.  
  11. }
  12. int main(void) {
  13. 	int n = 3;
  14.     printf("数列anについて, n=%dのときの値は%d\n", n, func(n));
  15. 	return 0;
  16. }
  17.  
Success #stdin #stdout 0s 5320KB
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数列anについて, n=3のときの値は38
https://ideone.com/nBMu5T
language:
C (gcc 8.3)
created:
6 days ago
visibility:
public

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