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238. Product of Array Except Self. Medium. Given an integer array nums, return an array answer such that answer[i] is equal to the product of all the elements of nums except nums[i]. The product of any prefix or suffix of nums is guaranteed to fit in a 32-bit integer.
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class Solution { public: vector<int> productExceptSelf(vector<int>& nums) { const int n = nums.size(); vector<int> ans(n, 1); // Use ans as the prefix product array. for (int i = 1; i < n; ++i) ans[i] = ans[i - 1] * nums[i - 1]; int suffix = 1; // suffix product for (int i = n - 1; i >= 0; --i) { ans[i] *= suffix; suffix *= nums[i]; } return ans...
Apr 15, 2020 · This video explains a very interesting and important problem for interview which is to find product of array except self. I have shown the solution along with example and code using 3 optimizations...
May 26, 2021 · Problem Link: https://neetcode.io/problems/products... 0:00 - Read the problem 2:09 - Drawing Explanation 9:47 - Coding Explanation leetcode 238 This question was identified as an...
238. Product of Array Except Self. Medium Array Prefix Sum. Leetcode Link. Problem Description. The problem provided relates to an array transformation challenge. Specifically, you are given an integer array named nums and the task is to generate a new array named answer.
Feb 13, 2024 · Interviewer : Given an integer array nums, return an array answer such that answer[i] is equal to the product of all the elements of nums except nums[i]. The product of any prefix or suffix of ...
