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  1. #include <stdio.h>
  2. //練習問題D
  3. int func(int a)
  4. {
  5. if(a==0)
  6. {
  7. return -1;
  8. }
  9.  
  10. else {
  11. return 3*func(a-1)+5;
  12. }
  13. }
  14.  
  15. int main(void) {
  16. 	int n = 3, m;
  17.     m = func(n);
  18.     printf("数列anについて, n=%dのときの値は%d\n", n, m);
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0s 5288KB
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Standard input is empty
stdout
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数列anについて, n=3のときの値は38
https://ideone.com/CP7i0B
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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