
Find minimum product among all combinations of triplets in an array
Problem Find minimum product of any three triplets in an array Sample Input [1, 2, 3, 4]…

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 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…

Efficiently calculate the frequency of all elements present in a limited range array
Problem Given an array of size nwhere elements range from 0 to n-1. Calculate frequency of each …

Rearrange an array such that it contains alternate positive and negative numbers
Problem You are given an array, rearrange the elements such that positive and negative integers …

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 maximum num…

Job Sequencing Problem
Problem Given a set of jobs, each with its own deadline and corresponding profit. You get profit…
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 orderSample Input { …
Check if an array is formed by consecutive integers
Problem Given an unsorted array of numbers, check if the array consists of consecutive numbers o…