DATA STRUCTURE
Find the Difference (Beautiful Arrangement) Problem Solution
Problem Given two strings, ‘s’ and ‘t’ have all the characters the…
10 Best Data Structure and Algorithm Courses Online You Should Opt In
DSA is a core concept in programming. It stands for data structures and algorithms. Any programming…
Rearrange an array such that it contains alternate positive and negat…
Problem You are given an array. Rearrange the elements such that positive and negative integers …
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…
Job Sequencing Problem
Problem Given a set of jobs, each with its own deadline and corresponding profit. You get profit…
Activity Selection Problem
Problem Given pairs of integers denoting starting and ending time of each task. Find the maximum…
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…
Find subarrays with a given sum in an array
Problem Given an unsorted array of nonnegative integers, find a continuous subarray which adds t…
Count distinct absolute values in a sorted array
Problem Given a sorted array of integers, return the number of distinct absolute values among th…
Print Matrix in Spiral Form
Problem Given an integer matrix, print it in spiral form Sample Input [1 2 3 4] [4 5 6 …
Find the sorted triplet in an array
Problem Given an integer array arr, find a sorted triplet such that arr[i] < arr[j] < arr[…
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 …