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Gulshan Kumar

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Results-Driven Agile QA Specialist | Expert in Mobile & Web Testing | Proficient in Test Planning, Execution, and Root Cause Analysis.

Maximum Number of Balloons

Nov 28, 20242 min read

Given a string text, you want to use the characters of text to form as many instances of the word "balloon" as possible. You can use each character in...

Maximum Number of Balloons

Rearrange Characters to Make Target String

Nov 28, 20242 min read

You are given two 0-indexed strings s and target. You can take some letters from s and rearrange them to form new strings. Return the maximum number...

Rearrange Characters to Make Target String

Duplicate Emails

Nov 28, 20241 min read

Table: Person +-------------+---------+ | Column Name | Type | +-------------+---------+ | id | int | | email | varchar...

Duplicate Emails

Employees Earning More Than Their Managers

Nov 28, 20241 min read

Table: Employee +-------------+---------+ | Column Name | Type | +-------------+---------+ | id | int | | name | varchar | |...

Employees Earning More Than Their Managers

Find Champion I

Nov 28, 20242 min read

There are n teams numbered from 0 to n - 1 in a tournament. Given a 0-indexed 2D boolean matrix grid of size n * n. For all i, j that 0 <= i, j <= n -...

Find Champion I

Number of Lines To Write String

Nov 28, 20242 min read

You are given a string s of lowercase English letters and an array widths denoting how many pixels wide each lowercase English letter is....

Number of Lines To Write String