From 659595f2b4d09d45d7301b728ac274b1cd52b39a Mon Sep 17 00:00:00 2001
From: NevS <1173325467@qq.com>
Date: Mon, 31 May 2021 22:26:44 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=200202.=E5=BF=AB=E4=B9=90?=
 =?UTF-8?q?=E6=95=B0=20go=E7=89=88?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0202.快乐数.md | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/problems/0202.快乐数.md b/problems/0202.快乐数.md
index c07405ec..396231fe 100644
--- a/problems/0202.快乐数.md
+++ b/problems/0202.快乐数.md
@@ -111,6 +111,24 @@ Python：
 
 
 Go：
+```go
+func isHappy(n int) bool {
+    m := make(map[int]bool)
+    for n != 1 && !m[n] {
+        n, m[n] = getSum(n), true
+    }
+    return n == 1
+}
+
+func getSum(n int) int {
+    sum := 0
+    for n > 0 {
+        sum += (n % 10) * (n % 10)
+        n = n / 10
+    }
+    return sum
+}
+```
 
 javaScript: