From ed557367383ab0df57e47074fcd751bcaba2308d Mon Sep 17 00:00:00 2001
From: reoaah <th961024@126.com>
Date: Thu, 20 May 2021 14:37:47 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A00509.=E6=96=90=E6=B3=A2?=
 =?UTF-8?q?=E9=82=A3=E5=A5=91=E6=95=B0.md=20Go=E7=89=88=E6=9C=AC?=
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---
 problems/0509.斐波那契数.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/problems/0509.斐波那契数.md b/problems/0509.斐波那契数.md
index 112c96f9..5afcd6b8 100644
--- a/problems/0509.斐波那契数.md
+++ b/problems/0509.斐波那契数.md
@@ -207,6 +207,19 @@ class Solution:
 ```
 
 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
+}
+```