From 5b9498b516313cfe4623bd53d32af2301be2408c Mon Sep 17 00:00:00 2001
From: Yuya Minamide <dettu1003@gmail.com>
Date: Wed, 14 Jun 2023 19:18:48 -0700
Subject: [PATCH] solved 1128. Number of Equivalent Domino Pairs

---
 1128.number-of-equivalent-domino-pairs.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 1128.number-of-equivalent-domino-pairs.js

diff --git a/1128.number-of-equivalent-domino-pairs.js b/1128.number-of-equivalent-domino-pairs.js
new file mode 100644
index 0000000..22ca73d
--- /dev/null
+++ b/1128.number-of-equivalent-domino-pairs.js
@@ -0,0 +1,21 @@
+/**
+ * URL of this problem
+ * https://leetcode.com/problems/number-of-equivalent-domino-pairs/
+ */
+
+/**
+ * @param {number[][]} dominoes
+ * @return {number}
+ */
+var numEquivDominoPairs = function (dominoes) {
+	let counter = 0;
+
+	for (i = 0; i < dominoes.length; i++) {
+		for (j = i + 1; j < dominoes.length; j++) {
+			if (dominoes[i][0] === dominoes[j][0] && dominoes[i][1] === dominoes[j][1]) counter++;
+			else if (dominoes[i][1] === dominoes[j][0] && dominoes[i][0] === dominoes[j][1]) counter++;
+		}
+	}
+
+	return counter;
+};