From d6bec608eb8c2283b3b9308973ac6427fb58d727 Mon Sep 17 00:00:00 2001
From: Wen <409053122@qq.com>
Date: Wed, 26 Apr 2023 10:33:26 +0800
Subject: [PATCH] =?UTF-8?q?[69]=20x=20=E7=9A=84=E5=B9=B3=E6=96=B9=E6=A0=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/leecode/javascript/69.x-的平方根.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 src/leecode/javascript/69.x-的平方根.js

diff --git a/src/leecode/javascript/69.x-的平方根.js b/src/leecode/javascript/69.x-的平方根.js
new file mode 100644
index 0000000..f21582e
--- /dev/null
+++ b/src/leecode/javascript/69.x-的平方根.js
@@ -0,0 +1,21 @@
+/*
+ * @lc app=leetcode.cn id=69 lang=javascript
+ *
+ * [69] x 的平方根 
+ */
+
+// @lc code=start
+/**
+ * @param {number} x
+ * @return {number}
+ */
+var mySqrt = function(x) {
+  let ret = 1;
+  while (ret * ret < x) {
+    ret += 1;
+  }
+  if (ret * ret > x) ret -= 1;
+  return ret;
+};
+// @lc code=end
+