Maaz is a freelance content writer and an engineering undergraduate who is experienced working in the software development industry. He likes solving algorithmic problems and finding new approaches to optimize given problems.

## Nginx 403 Forbidden Error

It is obvious that when you work with any system, server, or web resource for maintenance or config…

## Find the Difference (Beautiful Arrangement) Problem Solution

Problem Given two strings, ‘s’ and  ‘t’ have all the characters the…

## Find the sorted triplet in an array

Problem Given an integer array arr, find a sorted triplet such that arr[i] < arr[j] < arr[…

## Activity Selection Problem

Problem Given pairs of integers denoting starting and ending time of each task. Find the maximum…

## Job Sequencing Problem

Problem Given a set of jobs, each with its own deadline and corresponding profit. You get profit…

## Efficiently calculate the frequency of all elements present in a limited range array

Problem Given an array of the sizes n where elements range from 0 to n-1. Calculate the fre…

## Find subarrays with a given sum in an array

Problem Given an unsorted array of nonnegative integers, find a continuous subarray which adds t…

## Find the index that divides an array into two non-empty subarrays with equal sum

Problem Given an integer array, find an index that divides it into two non-empty subarrays havin…

## Count distinct absolute values in a sorted array

Problem Given a sorted array of integers, return the number of distinct absolute values among th…

## Find minimum product among all combinations of triplets in an array

Problem Find the minimum product of any three triplets in an array. Sample Input [1, 2, …

## Print Matrix in Spiral Form

Problem Given an integer matrix, print it in spiral form Sample Input [1 2 3 4] [4 5 6 …

## Shift all matrix elements by 1 in spiral order

Problem Given an M x N matrix, shift all its elements by 1 in spiral order Sample Input …