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Java-based LeetCode algorithm problem solutions, regularly updated
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152\. Maximum Product Subarray
Medium
Given an integer array `nums`, find a contiguous non-empty subarray within the array that has the largest product, and return _the product_.
It is **guaranteed** that the answer will fit in a **32-bit** integer.
A **subarray** is a contiguous subsequence of the array.
**Example 1:**
**Input:** nums = [2,3,-2,4]
**Output:** 6
**Explanation:** [2,3] has the largest product 6.
**Example 2:**
**Input:** nums = [-2,0,-1]
**Output:** 0
**Explanation:** The result cannot be 2, because [-2,-1] is not a subarray.
**Constraints:**
* 1 <= nums.length <= 2 * 104
* `-10 <= nums[i] <= 10`
* The product of any prefix or suffix of `nums` is **guaranteed** to fit in a **32-bit** integer.
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