3213. Construct String with Minimum Cost | Weekly Leetcode 405
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Hashing Playlist - • Hashing
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Contest Link - https://leetcode.com/contest/weekly-c...
Problem Link - https://leetcode.com/contest/weekly-c...
Solution - https://leetcode.com/problems/constru...
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Timestamps -
00:00 - Agenda
01:20 - Problem Description
04:01 - Intuition to recursion [Brute force]
11:15 - Pseudo code & Time Complexity
16:49 - [Optimisation 1] Intuition
19:20 - [Optimisation 1] How to compute hash efficiently
23:55 - [Optimisation 1] Time Complexity
24:58 - [Optimisation 2] Intuition & Time Complexity
29:25 - Code Walkthrough
40:13 - Example of Inefficient Trie solution
42:10 - Intuition of Trie Solution
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