Category Archives: Mathematical

Given N distinct objects, the task is to find the number of distinct arrangements of N objects if all clockwise arrangements are considered the same.… Read More
Given an array arr[] of size N, the task is to find the number of subarrays having sum of its elements equal to the number… Read More
Given the integers N, K and M, the task is to find the Kth number greater than N whose sum of digits is divisible by… Read More
Given an array triangles[][] consisting of N triangles of the form {x1, y1, x2, y2, x3, y3} and an array cuts[] consisting of M horizontal… Read More
Given an array arr[], the task is to count the number of unordered pairs (arr[i], arr[j]) from the given array such that (arr[i] * arr[j])… Read More
Given an integer N, the task is to construct a binary matrix of size N * N such that the sum of each row and… Read More
Given two arrays A[] and B[] of size N and M respectively, the task is to find the sum of Bitwise AND of all possible… Read More
Given three positive integers L, R, and K, the task is to find the count of numbers in the range [L, R] having K consecutive… Read More
Given an array arr[]of size N and an integer K, the task is to count the number of pairs from the given array such that… Read More
Given an array arr[] consisting of N positive integers, and an integer K, the task is to find the maximum possible even sum of any… Read More
Given an array arr[] consisting of N integers, the task is to count all disjoint pairs having absolute difference at least K. Note: The pair (arr[i],… Read More
Given three integers A, B, C denoting a triplet and three integers P, Q, R denoting another triplet. Repeatedly select any integer and add or… Read More
Given an array arr[] of length N, the task is to find the length of the longest subarray which consists of consecutive numbers in increasing… Read More
Given a string S of length N and an array Q[][] of queries in the form {l, r, y}. For each query, the task is… Read More