Four Elements that Sum to Given

Problem Statement In four elements that sum to a given problem, we have given an array containing N elements that may be positive or negative. Find the set of four elements whose sum is equal to given value k. Input Format First-line containing an integer N. Second-line containing an array …

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The Celebrity Problem

Problem Statement In the celebrity problem there is a room of N people, Find the celebrity. Conditions for Celebrity is- If A is Celebrity then Everyone else in the room should know A. A shouldn’t know anyone in the room. We need to find the person who satisfies these conditions. …

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Subarray with Given Sum

Problem Statement In the subarray with the given sum problem, we have given an array containing n positive elements. We have to find the subarray in which the sum of all the elements of the subarray equal to a given_sum. Subarray is obtained from the original array by deleting some …

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Find the Lost Element From a Duplicated Array

Problem Statement Given two arrays A and B, one array is a duplicate of the other except one element. The one element is missing from either A or B. we need to find the lost element from a duplicated array. Example 5 1 6 4 8 9 6 4 8 …

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Rearrange given Array in Maximum Minimum Form

Problem Statement In the “Rearrange given Array in Maximum Minimum Form” problem, we have given a sorted array containing N elements. Rearrange the given sorted array of positive integers, such that alternative elements are ith max and ith min. See below for a better understanding of rearrangement of elements- Array[0] …

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