From 64c7cf9298e3e3c77d0598cc68cfefbd71d847c3 Mon Sep 17 00:00:00 2001
From: Prad Nukala <prad@sonr.io>
Date: Tue, 18 Aug 2026 14:50:51 -0400
Subject: [PATCH] feat(problems): implement product of array except self
 solution

---
 .../Array/238.product-of-array-except-self.js | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/work/Medium/Array/238.product-of-array-except-self.js b/work/Medium/Array/238.product-of-array-except-self.js
index 0511844..10a834d 100644
--- a/work/Medium/Array/238.product-of-array-except-self.js
+++ b/work/Medium/Array/238.product-of-array-except-self.js
@@ -46,9 +46,22 @@
 */
 
 /**
- * @param {number[]} _nums
+ * @param {number[]} nums
  * @return {number[]}
  */
-var productExceptSelf = function(_nums
-      
+var productExceptSelf = function(nums) {
+  const n = nums.length;
+  const answer = new Array(n).fill(1);
+  const rightArr = new Array(n).fill(1);
+
+  for (let i = 1; i < n; i++) {
+    answer[i] = nums[i - 1] * answer[i - 1];
+  }
+  for (let i = n - 2; i >= 0; i--) {
+    rightArr[i] = nums[i + 1] * rightArr[i + 1];
+  }
+  for (let i = 0; i < n; i++) {
+    answer[i] *= rightArr[i];
+  }
+  return answer;
 };