Grokking the Coding Interview Patterns in C++/

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Solution: Number of Distinct Islands

Solution: Number of Distinct Islands

Let’s solve the Number of Distinct Islands problem using the Hash Maps pattern.

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Statement

Given an m x n binary matrix where 11 represents land and 00 represents water. An island is a group of connected 1s1s that are adjacent horizontally or vertically. Two islands are considered the same if one matches the other without rotating or flipping. The task is to return the number of distinct ...

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