Container with Most Water

For business inquiries email [email protected] Container With Most Water LeetCode coding solution. One of Facebook's most commonly asked interview questions according to LeetCode.

Coding Interviews Container With Most Water (LeetCode) question and explanation.

This question is a commonly asked by the following companies: Facebook,Google, Microsoft, Airbnb, Goldman Sachs, Alibaba, and Adobe.

Link to problem: https://leetcode.com/problems/contain...

Problem description: Given n non-negative integers a1, a2, ..., an , where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpoints of line i is at (i, ai) and (i, 0). Find two lines, which together with x-axis forms a container, such that the container contains the most water.

Note: You may not slant the container and n is at least 2.

Intuition behind solution: O(n^2) compare every possible 2 pairs of vertical lines and continually update the maximum area. Two pointer approach: continuously move two pointers (that start at the beginning and end of the array) toward each other. At each iteration, calculate the area (updating the max area if necessary) and move the increment or decrement the pointer that is pointing to the smaller vertical line.


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