All Posts

Ad-Free Sessions Problem

LeetCode 1809. Write an SQL query to report all the...

03 Apr 2021

String To Interger (atoi) Problem

LeetCode 8. Implement the myAtoi(string s) function, which converts a...

17 Mar 2021

Primary Department For Each Employee Problem

LeetCode 1789. Write an SQL query to report all the...

17 Mar 2021

Grand Slam Titles Problem

LeetCode 1783. Write an SQL query to report the number...

08 Mar 2021

Product's Price For Each Store Problem

LeetCode 1777. Write an SQL query to find the price...

05 Mar 2021

Longest Substring Without Repeating Characters Problem

LeetCode 3. Given a string s, find the length of...

05 Mar 2021

Find The Subtasks That Did Not Execute Problem

LeetCode 1767. Write an SQL query to report the IDs...

05 Mar 2021

Add Two Numbers Problem

LeetCode 2. You are given two non-empty linked lists representing...

05 Mar 2021

Sum Of Unique Elements Problem

LeetCode 1748. You are given an integer array nums. The...

15 Feb 2021

Recyclable And Low Fat Products Problem

LeetCode 1757. Write an SQL query to find the ids...

14 Feb 2021

Leetflex Banned Accounts Problem

LeetCode 1747. Write an SQL query to find the account_id...

10 Feb 2021

Insert Delete GetRandom O(1) Problem

LeetCode 380. Implement a RandomizedSet class.

03 Feb 2021

N-Repeated Element In Size 2N Array Problem

LeetCode 961. In a array A of size 2N, there...

31 Jan 2021

Intersection Of Two Arrays Problem

LeetCode 349. Given two arrays, write a function to compute...

31 Jan 2021

Intersection Of Three Sorted Arrays Problem

LeetCode 1213. Given three integer arrays arr1, arr2 and arr3...

31 Jan 2021

Find Total Time Spent By Each Employee Problem

LeetCode 1741. Write an SQL query to calculate the total...

31 Jan 2021