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Reverse Prefix of Word Problem

LeetCode 2000. Given a 0-indexed string word and a character...

Users That Actively Request Confirmation Messages Problem

LeetCode 1939. Write an SQL query to find the IDs...

Strong Friendship Problem

LeetCode 1949. Write an SQL query to find all the...

Leetcodify Similar Friends Problem

LeetCode 1919. Write an SQL query to report the similar...

Leetcodify Friends Recommendations Problem

LeetCode 1917. Write an SQL query to recommend friends to...

First and Last Call On the Same Day Problem

LeetCode 1972. Write an SQL query to report the IDs...

Find Cutoff Score for Each School Problem

LeetCode 1988. Write an SQL query to report the minimum...

Employees With Missing Information Problem

LeetCode 1965. Write an SQL query to report the IDs...


Employees Whose Manager Left the Company Problem

LeetCode 1978. Write an SQL query to report the IDs...

Count the Number of Experiments Problem

LeetCode 1990. Write an SQL query to report the number...

Count Salary Categories Problem

LeetCode 1907. Write an SQL query to report the number...

Confirmation Rate Problem

LeetCode 1934. Write an SQL query to find the confirmation...

All the Pairs With the Maximum Number of Common Followers Problem

LeetCode 1951. Write an SQL query to find all the...

The Latest Login in 2020 Problem

LeetCode 1890. Write an SQL query to report the latest...

Suspicious Bank Accounts Problem

LeetCode 1843. Write an SQL query to report the IDs...

Page Recommendations II Problem

LeetCode 1892. Write an SQL query to find all the...