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  1. #include <stdio.h>
  2. //練習問題F
  3.  
  4. int func(int n){
  5.     int a=-1,b=1,c,i;
  6.  
  7.     if(n==1||n==2)
  8.     return 1;
  9.  
  10.     for(i=3;i<=n;i++){
  11.     	c=a+b;
  12.     	a=b;
  13.     	b=c;
  14.     }
  15. 	return b;
  16.  
  17. }
  18. int main(void) {
  19. 	int n = 3;
  20.     printf("数列anについて, n=%dのときの値は%d\n", n, func(n));
  21. 	return 0;
  22. }
  23.  
Success #stdin #stdout 0s 5316KB
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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0
https://ideone.com/dfcJDO
language:
C (gcc 8.3)
created:
19 days ago
visibility:
public

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