A group of connected 1\'s forms an island. There is a matrix of N×M. You have to find out the numbers of item
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Severity: 8192
Message: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated
Filename: libraries/Filtered_db.php
Line Number: 23
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Algorithm:
To solve this problem we follow this approach:
C++ Implementation to find the number of islands
Output
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