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Tag Archives: HashSet

Hashing refers to the process of generating a fixed-size output from an input of variable size using the mathematical formulas known as hash functions. This… Read More
Given an array A[] of N non-negative integers and an integer K. Each time, you can do the following two operations Find Average of MAX and… Read More
Given a graph root, and a value K, the task is to find the number of nodes in the graph whose sum of neighbors is… Read More
Given two arrays A[] and B[] of length N and M respectively, the task is to find the minimum number of insertions and deletions on… Read More
Given 3 arrays, arr[], brr[], and crr[], the task is to find the common elements in at least 2 arrays out of the given 3… Read More
Given two strings str1 and str2, the task is to find the minimum number of prefixes and suffixes of str2 required to form the string… Read More
Given an array arr[] consisting of N integers, the task for each array element is to find the absolute difference between the count of distinct… Read More
Given a queue consisting of the first N natural numbers and queries Query[][] of the type {E, X}, the task is to perform the given… Read More
Given an array of pairs arr[][] of the form {X, Y} such that each arr[i] represents the time X at which the candidate with candidate… Read More
Given two arrays A[] and B[] consisting of N integers where A[i] represents the initial position of the ith plane and B[i] is the speed… Read More
Given an array arr[] consisting of N distinct positive integers and a range [L, R], the task is to find the element in the given… Read More
Given an array arr[] consisting of N positive integers, the task is to find the number of pairs such that the Greatest Common Divisor(GCD) of… Read More
Given a string S consisting of N digits, the task is to find the number of distinct Prime Numbers that can be formed using the… Read More
Given an array arr[] consisting of N strings of lowercase characters and a character K such that any string may start with the character K,… Read More
Given a number N, the task is to count the number of unique prime numbers that can be formed by deleting zero or more digits… Read More

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