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Gulshan Kumar

Gulshan Kumar

5 followers

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

Count the Number of Special Characters I

Apr 21, 20242 min read

You are given a string word. A letter is called special if it appears both in lowercase and uppercase in word. Return the number of special letters in...

Count the Number of Special Characters I

Find Missing and Repeated Values

Apr 21, 20242 min read

You are given a 0-indexed 2D integer matrix grid of size n * n with values in the range [1, n<sup>2</sup>]. Each integer appears exactly once except a...

Find Missing and Repeated Values

Find Common Elements Between Two Arrays

Apr 21, 20242 min read

You are given two 0-indexed integer arrays nums1 and nums2 of sizes n and m, respectively. Consider calculating the following values: The number of...

Find Common Elements Between Two Arrays

Jewels and Stones

Apr 21, 20241 min read

You're given strings jewels representing the types of stones that are jewels, and stones representing the stones you have. Each character in stones is...

Jewels and Stones

Island Perimeter

Apr 21, 20242 min read

You are given row x col grid representing a map where grid[i][j] = 1 represents land and grid[i][j] = 0 represents water. Grid cells are connected...

Island Perimeter

Final Prices With a Special Discount in a Shop

Apr 21, 20242 min read

You are given an integer array prices where prices[i] is the price of the i<sup>th</sup> item in a shop. There is a special discount for items in the...

Final Prices With a Special Discount in a Shop