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  1. #include <stdio.h>
  2. //フィボナッチ数列(再帰なし版)
  3. int main(void) {
  4.     int n = 10;
  5. //ここを埋める
  6.     int a,b=2;
  7.     int c=1;
  8.     for(int i = 3; i <= n; i++){
  9. //ここも埋める
  10.     a=-6*b-9*c;
  11.     c=b;
  12.     b=a;
  13.  
  14.     }
  15.     printf("フィボナッチ数列の第%d項は%d\n", n, a);
  16. 	return 0;
  17. }
  18.  
  19.  
Success #stdin #stdout 0s 5320KB
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フィボナッチ数列の第10項は275562
https://ideone.com/F5OOJy
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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