From fba1fa33d6068f42c255e0ed3c9287594208f0ea Mon Sep 17 00:00:00 2001
From: Jack <965555169@qq.com>
Date: Mon, 9 Aug 2021 09:01:41 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0123.=E4=B9=B0=E5=8D=96?=
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 =?UTF-8?q?=20III-JavaScript=E7=89=88?=
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---
 .../0123.买卖股票的最佳时机III.md    | 39 ++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)

diff --git a/problems/0123.买卖股票的最佳时机III.md b/problems/0123.买卖股票的最佳时机III.md
index 7ff1bfe2..c7193bbc 100644
--- a/problems/0123.买卖股票的最佳时机III.md
+++ b/problems/0123.买卖股票的最佳时机III.md
@@ -278,7 +278,44 @@ class Solution:
         return dp[4]
 ```
 
-Go：
+JavaScript：
+
+> 版本一：
+
+```javascript
+const maxProfit = prices => {
+    const len = prices.length;
+    const dp = new Array(len).fill(0).map(x => new Array(5).fill(0));
+    dp[0][1] = -prices[0];
+    dp[0][3] = -prices[0];
+    for (let i = 1; i < len; i++) {
+        dp[i][0] = dp[i - 1][0];
+        dp[i][1] = Math.max(dp[i - 1][1], dp[i - 1][0] - prices[i]);
+        dp[i][2] = Math.max(dp[i - 1][2], dp[i - 1][1] + prices[i]);
+        dp[i][3] = Math.max(dp[i - 1][3], dp[i - 1][2] - prices[i]);
+        dp[i][4] = Math.max(dp[i - 1][4], dp[i - 1][3] + prices[i]);
+    }
+    return dp[len - 1][4];
+};
+```
+
+> 版本二：
+
+```javascript
+const maxProfit = prices => {
+    const len = prices.length;
+    const dp = new Array(5).fill(0);
+    dp[1] = -prices[0];
+    dp[3] = -prices[0];
+    for (let i = 1; i < len; i++) {
+        dp[1] = Math.max(dp[1], dp[0] - prices[i]);
+        dp[2] = Math.max(dp[2], dp[1] + prices[i]);
+        dp[3] = Math.max(dp[3], dp[2] - prices[i]);
+        dp[4] = Math.max(dp[4], dp[3] + prices[i]);
+    }
+    return dp[4];
+};
+```