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  1. #include <stdio.h>
  2. int func(int n){
  3.     int a=-1;
  4.     int i;  
  5.  
  6. for(i=1; i<=n; i++){
  7. 	a=3*a+5;
  8. }
  9. 	return a;
  10. }
  11. int main(void) {
  12. 	int n = 3;
  13.     printf("数列anについて, n=%dのときの値は%d\n", n, func(n));
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5324KB
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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/iipF5K
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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