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  1. #include <stdio.h>
  2. //階乗計算を再帰を用いて行う
  3. int an(int n){
  4.     if (n == 1){
  5. 		return 5;
  6.     }
  7.     else{
  8. 		return 4 + 3*an(n-1);
  9.     }
  10. }
  11.  
  12. int main(void) {
  13.     int n = 1;
  14.     printf("a_%d=%d", n, an(n));
  15. 	return 0;
  16. }
  17.  
Success #stdin #stdout 0s 5268KB
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stdin
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Standard input is empty
stdout
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a_1=5
https://ideone.com/n2ctOS
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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