## Count of elements that can be deleted without disturbing the mean of the initial array

Given an array arr[] of N integers, the task is to find the count of elements from the array such that after removing them individually… Read More »

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Given an array arr[] of N integers, the task is to find the count of elements from the array such that after removing them individually… Read More »

Given two arrays arr1[] and arr2[] each of size N. The task is to choose some elements from both the arrays such that no two… Read More »

Given an integer N. The task is to find the number of different ordered triplets(a, b, c) of non-negative integers such that a + b… Read More »

Given an array arr[] of N integers and an integer K. The task is to find the maximum xor subset of size K of the… Read More »

Given four integers X, Y, X2%P, Y2%P, where P is a prime number. The task is to find prime P. Note: Answer always exsits. Examples:… Read More »

Given an array arr[] of size N and an integer K. The task is to find all the unique combinations from the given array such… Read More »

Given a string str representing a string, the task is to convert the given string into an integer. Examples: Input: str = “1234” Output: 1234… Read More »

Given an array arr of size N. The task is to find the sum of the first half (N/2) elements and second half elements (N… Read More »

A car travels with an average speed of S km/h without any stoppage and with stoppage the speed of car reduces to an average of… Read More »

Given an array a[] of positive integers of size N. The task is to remove one element from the given array such that the arithmetic… Read More »

Trie is an efficient information retrieval data structure. Using Trie, search complexities can be brought to an optimal limit (key length). Given a trie. The… Read More »

Trie is an efficient information retrieval data structure. Using Trie, search complexities can be brought to an optimal limit (key length). The task is to… Read More »

Given an array of size N. The task is to remove minimum elements from the array such that twice of minimum number is greater than… Read More »

Given a balanced parenthesis string which consists of ‘(‘ and ‘)‘. The task is to find the number of balanced parenthesis substrings in the given… Read More »

Given three integers A, B and C which are the three angles of a possible triangle in degrees, the task is to check whether the… Read More »