From f08b1e6ad0cc6aa1d562437d183fbc5efd010aa7 Mon Sep 17 00:00:00 2001
From: Jinyoung Jeong <80400463+jyoung2419@users.noreply.github.com>
Date: Sat, 10 Oct 2026 23:42:35 +0900
Subject: [PATCH] Create 593. Valid Square

---
 .../593. Valid Square"                        | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 "leetcode3/\354\240\225\354\247\204\354\230\201/593. Valid Square"

diff --git "a/leetcode3/\354\240\225\354\247\204\354\230\201/593. Valid Square" "b/leetcode3/\354\240\225\354\247\204\354\230\201/593. Valid Square"
new file mode 100644
index 00000000..61aede4d
--- /dev/null
+++ "b/leetcode3/\354\240\225\354\247\204\354\230\201/593. Valid Square"	
@@ -0,0 +1,34 @@
+/**
+ * @param {number[]} p1
+ * @param {number[]} p2
+ * @param {number[]} p3
+ * @param {number[]} p4
+ * @return {boolean}
+ */
+var validSquare = function(p1, p2, p3, p4) {
+    function distance(a,b){
+        let dx = a[0] - b[0];
+        let dy = a[1] - b[1];
+
+        return dx * dx + dy * dy;
+    }
+
+     let arr = [
+        distance(p1, p2),
+        distance(p1, p3),
+        distance(p1, p4),
+        distance(p2, p3),
+        distance(p2, p4),
+        distance(p3, p4)
+    ];
+
+    arr.sort((a, b) => a - b);
+
+    return (
+        arr[0] > 0 &&
+        arr[0] === arr[1] &&
+        arr[1] === arr[2] &&
+        arr[2] === arr[3] &&
+        arr[4] === arr[5]
+    );
+};