From 823618df8fd16cb8e748bda7a2ecb752963e9d12 Mon Sep 17 00:00:00 2001
From: Jinyoung Jeong <80400463+jyoung2419@users.noreply.github.com>
Date: Tue, 22 Sep 2026 22:38:12 +0900
Subject: [PATCH 1/2] Implement lemonadeChange function for bill handling

---
 .../860. Lemonade Change"                     | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 "leetcode3/\354\240\225\354\247\204\354\230\201/860. Lemonade Change"

diff --git "a/leetcode3/\354\240\225\354\247\204\354\230\201/860. Lemonade Change" "b/leetcode3/\354\240\225\354\247\204\354\230\201/860. Lemonade Change"
new file mode 100644
index 00000000..678b6e0c
--- /dev/null
+++ "b/leetcode3/\354\240\225\354\247\204\354\230\201/860. Lemonade Change"	
@@ -0,0 +1,30 @@
+/**
+ * @param {number[]} bills
+ * @return {boolean}
+ */
+var lemonadeChange = function(bills) {
+    let five = 0;
+    let ten = 0;
+
+    for (let i = 0; i<bills.length; i++){
+        if (bills[i] == 5){
+            five++;
+        } else if (bills[i] == 10){
+            if (five == 0){
+                return false;
+            }
+            ten++;
+            five--;
+        } else {
+            if (ten > 0 && five > 0){
+                ten--;
+                five--;
+            } else if (five >= 3){
+                five -=3;
+            } else {
+                return false;
+            }
+        }
+    }
+    return true;
+};

From 9bdfd7ecf0f5d65b54a8b35e0d166c0abc7055b6 Mon Sep 17 00:00:00 2001
From: Jinyoung Jeong <80400463+jyoung2419@users.noreply.github.com>
Date: Tue, 22 Sep 2026 22:38:34 +0900
Subject: [PATCH 2/2] Add largestOverlap function for image comparison

Implement function to calculate largest overlap between two images.
---
 .../835. Image Overlap"                       | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 "leetcode3/\354\240\225\354\247\204\354\230\201/835. Image Overlap"

diff --git "a/leetcode3/\354\240\225\354\247\204\354\230\201/835. Image Overlap" "b/leetcode3/\354\240\225\354\247\204\354\230\201/835. Image Overlap"
new file mode 100644
index 00000000..c970da64
--- /dev/null
+++ "b/leetcode3/\354\240\225\354\247\204\354\230\201/835. Image Overlap"	
@@ -0,0 +1,19 @@
+/**
+ * @param {number[][]} img1
+ * @param {number[][]} img2
+ * @return {number}
+ */
+var largestOverlap = function(img1, img2) {
+    let count = 0;
+    let max = 0;
+    
+    for (let i = 0; i<img1.length; i++){
+        for (let j = 0; j<img1.length; j++){
+            if (img1[i][j] == 1) {
+
+            }
+        }
+    }
+
+    max = Math.max(max, count);
+};