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  1. #include <stdio.h>
  2. int fib1(int n)
  3. {
  4.     int f1=0,f2=1,f,i;
  5.  
  6.     for(i=0;i<n;i++)
  7.     {
  8.         f=f1+f2;
  9.         f1=f2;
  10.         f2=f;
  11.     }
  12.     return f2;
  13. }
  14.  
  15. int main(void) {
  16.  
  17.     int n;
  18.     scanf("%d",&n);
  19.     printf("1:%d\n",fib1(n));
  20. 	return 0;
  21. }
  22.  
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/d0qhr0
language:
C (gcc 8.3)
created:
15 days ago
visibility:
public

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