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  1. #include <stdio.h>
  2. //練習問題F
  3.  
  4. int func(int n){
  5.     int a=-1;
  6.     int i;  
  7.  
  8.     for(i=1; i<=n; i++){
  9.     	a = 3*a + 5;
  10.    }	
  11.     	return a;
  12.  
  13.  
  14.  
  15. }
  16. int main(void) {
  17. 	int n = 3;
  18.     printf("数列anについて, n=%dのときの値は%d\n", n, func(n));
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0s 5304KB
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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/F2FRGo
language:
C (gcc 8.3)
created:
12 days ago
visibility:
public

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