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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-1;i++)
  7.     {
  8.         f=f1+f2;
  9.         f1=f2;
  10.         f2=f;
  11.     }
  12. }
  13.  
  14. int main(void) {
  15.  
  16.     int n;
  17.     scanf("%d",&n);
  18.     printf("1:%d\n",fib1(n));
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin 
5
stdout 
1:0
https://ideone.com/5fjru6
language:
C (gcc 8.3)
created:
15 days ago
visibility:
public

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