#include<stdio.h> |
int fun( int n) |
{ |
int i, x=1, y=1,z; |
for (i=3;i<=n;i++){ |
z=x; |
x=y; |
y=y+z; |
} |
return y; |
} |
|
int main() |
{ |
int n; |
printf ( "请输入要输出斐波那契数列n:" ); |
scanf ( "%d" ,&n); |
int i; |
printf ( "第 %d 项是:%d\n" , n, fun(n)); |
return 0; |
} |