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  1. #include <stdio.h>
  2. int rec(int n){
  3. if(n==1){
  4. 	return 5;
  5. }	
  6. 	else {
  7. 		return 3*rec(n-1)+4;
  8. 	}
  9. }
  10.  
  11. int main(void) {
  12. 	int n=4;
  13. 	printf("数列のanの%d番目の値は%d\n",n,rec(n));
  14. 	return 0;
  15. }
Success #stdin #stdout 0.01s 5332KB
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数列のanの4番目の値は187
https://ideone.com/20VH6Z
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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