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Tag Archives: HashSet

Given an array arr[] of length n which contains positive integers (0 ≤ arr[i] ≤ 109), the task is to count the number of elements… Read More
Given the array X[],   the task is to return the maximum suffix sub-array length of the same elements for each distinct element and the… Read More
Given a permutation A[] of first N integers (i.e. array contains integers from 1 to N exactly once) and an integer K, the task is… Read More
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

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