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Ezvor
Interview prep & careers
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Description
Editorial
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597. Friend Requests I: Overall Acceptance Rate
Easy
Database
Preparing judge…
LeetCode
Database
Hints
Hint 1
Still remember how to count the number of rows in a table?
Hint 2
What is the keyword to filter the duplicated records in a table?
Preparing judge…
Testcase
Test Result
Case 1
Input