Ishaan Loves Chocolates | Two Pointer Greedy Approach | Coding Problem Explained

Published: 21 October 2024
on channel: Raj Kumar Mahto

Problem Link: https://www.geeksforgeeks.org/problem...
In this video, we’ll solve the "Ishaan Loves Chocolates" problem using a two-pointer greedy approach. Ishaan is greedy, so he eats the tastier chocolate from either the start or the end of the array, leaving his sister with the last remaining one. We’ll simulate this process step by step using the two-pointer technique.

📝 Problem Description: Ishaan loves chocolates and eats the tastiest square first from either the beginning or the end of the chocolate bar. His sister gets the last chocolate. We need to determine the tastiness level of the chocolate square she gets.

🔑 Key Concepts:
Two-pointer approach
Greedy algorithm
Time complexity: O(N)
Space complexity: O(1)

🖥️ Example 1: Input: arr[] = {5, 3, 1, 6, 9}
Output: 1
Explanation: Ishaan eats the tastiest chocolates first, and the final remaining one, which his sister gets, is 1.

🖥️ Example 2: Input: arr[] = {5, 9, 2, 6}
Output: 2

🔗 GitHub Solution Repository:
Check out the complete solution to this problem here: https://github.com/rajmahto/GeeksforG...

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