From 6c7105ca45c2ffd0e8634dd28e903a4599975cc2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tasha=28=EC=82=B4=EB=AF=B8=29?=
 <45252527+Lustellz@users.noreply.github.com>
Date: Sat, 23 Aug 2025 23:11:52 +0900
Subject: [PATCH 1/2] maxProfit

---
 best-time-to-buy-and-sell-stock/Lustellz.ts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 best-time-to-buy-and-sell-stock/Lustellz.ts

diff --git a/best-time-to-buy-and-sell-stock/Lustellz.ts b/best-time-to-buy-and-sell-stock/Lustellz.ts
new file mode 100644
index 000000000..1e86a7a70
--- /dev/null
+++ b/best-time-to-buy-and-sell-stock/Lustellz.ts
@@ -0,0 +1,16 @@
+function maxProfit(prices: number[]): number {
+
+        let minPrice: number = prices[0];
+        let maxProfit: number = 0;
+
+        for (let i = 1; i < prices.length; i++) {
+    // 1. compare the number later than now
+            if (prices[i] < minPrice) {
+    // 2. if there's bigger number later, set it as the standard
+                minPrice = prices[i];
+            } else {
+                maxProfit = Math.max(maxProfit, prices[i] - minPrice);
+            }
+        }
+        return maxProfit;
+};

From 8c2011ec52011217115c8d4c7021e2b079086f39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tasha=28=EC=82=B4=EB=AF=B8=29?=
 <45252527+Lustellz@users.noreply.github.com>
Date: Sat, 23 Aug 2025 23:14:52 +0900
Subject: [PATCH 2/2] add comments

---
 best-time-to-buy-and-sell-stock/Lustellz.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/best-time-to-buy-and-sell-stock/Lustellz.ts b/best-time-to-buy-and-sell-stock/Lustellz.ts
index 1e86a7a70..b5e0dcf3d 100644
--- a/best-time-to-buy-and-sell-stock/Lustellz.ts
+++ b/best-time-to-buy-and-sell-stock/Lustellz.ts
@@ -1,5 +1,7 @@
 function maxProfit(prices: number[]): number {
 
+        // Runtime: 1ms
+        // Memory: 66.23MB
         let minPrice: number = prices[0];
         let maxProfit: number = 0;
 
@@ -13,4 +15,7 @@ function maxProfit(prices: number[]): number {
             }
         }
         return maxProfit;
+
+        // What I was planning to do: Recursion
+        // Result: referring other's code
 };