From 30a04bc9d04eade2da10c798f43dca706f18345b Mon Sep 17 00:00:00 2001
From: dlek-user <141155551+dlek-user@users.noreply.github.com>
Date: Sun, 22 Feb 2026 23:24:08 +0900
Subject: [PATCH] dlek-user-573

[646] Maximum Length of Pair Chain
---
 dlek-user/[646] Maximum Length of Pair Chain | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 dlek-user/[646] Maximum Length of Pair Chain

diff --git a/dlek-user/[646] Maximum Length of Pair Chain b/dlek-user/[646] Maximum Length of Pair Chain
new file mode 100644
index 0000000..9446c25
--- /dev/null
+++ b/dlek-user/[646] Maximum Length of Pair Chain	
@@ -0,0 +1,18 @@
+class Solution {
+    public int findLongestChain(int[][] pairs) {
+        Arrays.sort(pairs, (a, b) -> a[1] - b[1]);
+
+        int count = 0;        
+        int currentEnd = Integer.MIN_VALUE;  
+
+        for (int[] pair : pairs) {
+
+            if (pair[0] > currentEnd) {
+                count++;              
+                currentEnd = pair[1];  
+            }
+        }
+
+        return count;
+    }
+}