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 limi…
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 wit…
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 …