From 8fd950f2b9acedd4dabd748d82fad2d0e142f07a Mon Sep 17 00:00:00 2001
From: yuhyeon99 <jujini31@gmail.com>
Date: Mon, 8 Dec 2025 17:09:28 +0900
Subject: [PATCH] best-time-to-buy-and-sell-stock solution

---
 best-time-to-buy-and-sell-stock/yuhyeon99.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 best-time-to-buy-and-sell-stock/yuhyeon99.js

diff --git a/best-time-to-buy-and-sell-stock/yuhyeon99.js b/best-time-to-buy-and-sell-stock/yuhyeon99.js
new file mode 100644
index 0000000000..4e749950e2
--- /dev/null
+++ b/best-time-to-buy-and-sell-stock/yuhyeon99.js
@@ -0,0 +1,19 @@
+/**
+ * @param {number[]} prices
+ * @return {number}
+ * i 번째 날에 주식의 가격을 prices[i]에 담고 있는 배열 prices가 주어졌을 때, 
+ * 주식을 어떤 날에 한 번 사고 나중에 다른 날에 팔아서 달성 가능한 최대 이익을 구하라.
+ * 
+ */
+var maxProfit = function(prices) {
+  var maxProfit = 0;
+  var minPrice = prices[0]
+
+  for(let i = 0; i < prices.length; i ++) {
+      let profit = prices[i] - minPrice;
+      maxProfit = Math.max(profit, maxProfit);
+      minPrice = Math.min(prices[i], minPrice);
+  }
+
+  return maxProfit;
+};