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Solution: Find the Lexicographically Largest String From Box II

Explore the two pointers approach to efficiently find the lexicographically largest substring from unique splits of a string. This lesson teaches how to use pointer comparisons and prefix skipping to solve the problem in linear time, enhancing your skills in string handling and two pointer techniques.

Statement

You are given a string, word, and an integer numFriends, representing the number of friends participating in a game organized by Alice.

The game consists of multiple rounds, and in each round:

  • The string word is split into exactly numFriends non-empty substrings.

  • The split must be unique; no previous round has produced the same sequence of splits.

  • All resulting substrings from the split are placed into a box.

When all rounds are over and all possible unique splits have been performed, determine ...