添加0509.斐波那契数.md Go版本

This commit is contained in:
reoaah
2021-05-20 14:37:47 +08:00
parent aa92ac3685
commit ed55736738

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@ -207,6 +207,19 @@ class Solution:
``` ```
Go Go
```Go
func fib(n int) int {
if n < 2 {
return n
}
a, b, c := 0, 1, 0
for i := 1; i < n; i++ {
c = a + b
a, b = b, c
}
return c
}
```