Mathematical

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Find 4 points with equal Manhattan distance between any pair

Last Updated: 23 July 2025

Given an integer N, Find 4 points in a 2D plane having integral coordinates, such that the Manhattan distance between any pair of points is equal to N.Examples:Input: N = ...read more

Mathematical

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DSA

Check if X and Y can be equal in N steps by dividing them with their factors

Last Updated: 18 November 2022

Given positive integers, X, Y, and N, the task is to check whether X can be made equal to Y in exactly N operations wherein each operation:X can be divided by any of its f...read more

Mathematical

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DSA

prime-factor

Find all ranges of consecutive numbers from Array | Set -2 (using Exponential BackOff)

Last Updated: 23 July 2025

Given a sorted array arr[] consisting of N integers without any duplicates, the task is to find the ranges of consecutive numbers from that array.Examples:Input: arr[] = {...read more

Sorting

Mathematical

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DSA

Arrays

Minimum steps to make X equal to Y by performing increment or bitwise OR operation

Last Updated: 23 July 2025

Given two integers X and Y, the task is to find the minimum number of operations required to make X equal to Y by performing the given operations such that:X = X + 1Y = Y ...read more

Bit Magic

Mathematical

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DSA

Minimize sum of count of unique elements in Array after dividing into [1, N] subsets

Last Updated: 23 July 2025

Given an array arr[] of length N, the task is to find the minimum number of unique elements possible in total when the array is divided into K subsets (for all K in the ra...read more

Mathematical

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Minimize insertions in Array to make ratio of each pair as K

Last Updated: 23 July 2025

Given an array arr[] of length N the task is to find the minimum number of elements to be added in the array such that there exists every independent pair in the array who...read more

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DSA

Arrays

Ratio and Proportion

Minimize given Number by swapping adjacent digits with odd difference

Last Updated: 23 July 2025

Given a string S of length N representing an integer that consists of only characters '1', '2' and '3', the task is to find the smallest number that can be formed from the...read more

Strings

Mathematical

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DSA

Arrays

Construct an Array of length N containing exactly K elements divisible by their positions

Last Updated: 23 July 2025

Given two integers N and K, the task is to construct an array of length N containing exactly K elements divisible by their positions.Examples:Input: N = 6, K = 2Output: {5...read more

Pattern Searching

Mathematical

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DSA

Arrays

Represent N as sum of maximum number of unique positive integers

Last Updated: 07 March 2022

Given a number N, the task is to represent N as sum of maximum number of unique positive integers.Examples:Input: N = 12Output: 1+ 2 + 3 + 6Explanation:Possible splits are...read more

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DSA

Find groups in given range having at least K consecutive composite integers

Last Updated: 23 July 2025

Given a range [L, R] and an integer K, find all the groups in the given range having at least K consecutive composite integers. Example:Input: L = 500, R = 650, K = 10Outp...read more

Mathematical

DSA

Sort given Array based on the fractional values

Last Updated: 23 July 2025

Given an array arr[] that contains N real numbers. The task is to sort the array in decreasing order of the Fractional ValuesNote: If the values of the fractional part are...read more

Sorting

Mathematical

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DSA

Generate longest Array containing distinct even integers with sum N

Last Updated: 23 July 2025

Given an integer N. Find the maximum length sequence containing distinct even integers with sum N. In case, such a sequence does not exist, return an empty sequence.Exampl...read more

Mathematical

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DSA

Arrays

Minimum flips to make mean of all k size sub-arrays less than 1

Last Updated: 23 July 2025

Given an array A of size N, having each element either 0 or 1 and an integer K. Find the minimum number of elements that need to be flipped, such that no sub-array of size...read more

Greedy

Mathematical

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Count of 1's after flipping the bits at multiples from 1 to N

Last Updated: 23 July 2025

Given N sized binary array A[] containing all 0's initially. The task is to find the final count of 1's after flipping the bits at multiples from 1 to N.Examples:Input: A[...read more

Mathematical

Puzzles

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DSA

binary-string

Count of cells equal to X in Matrix constructed as sum of rows and columns

Last Updated: 19 September 2022

Given integer N denoting the size of a square matrix whose each element is the sum of its row and column i.e., mat[i][j] = i + j (0 i, j, ≤ N), and an integer X, the task...read more

Mathematical

Matrix

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DSA

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