In the given problem, we need to rank all the given elements of an array, with the smallest number having the smallest rank and the largest having the largest rank. We also need to change the ranks of a number depending on their frequencies, for examples −Input : 20 30 ... Read More

In this article, we will give an array of size n, which will be an integer. Then, we will compute the sum of elements from index L to index R and execute the queries multiple times, or we need to calculate the sum of the given range from [L, R]. ... Read More

In the given problem, we are required to print all the divisors of a given integer n.Input: 15 Output: 1 3 5 15 Explanation Divisors of 15 are: 1, 3, 5, 15 Input: 30 Output: 1 2 3 5 15 30In the given problem, we can apply the approach ... Read More

In this article we will discuss a problem of finding the number of elements present in the given range that have a kth bit set, for example −Input : arr[] = { 4, 5, 7, 2 } Query 1: L = 2, R = 4, K = 4 Query 2: ... Read More

In this article, we are given a problem, we are given an array, and there are two types of queries we need to answer.Type 0 − we have to calculate the number of greater elements than or equal to x(given value).Type 1 − we have to calculate the number of ... Read More

In this article, we have given a problem in which we are given an array of integers, and we are tasked to find the bitwise AND of the given ranges, for example 7minus;Input: arr[ ] = {1, 3, 1, 2, 32, 3, 3, 4, 4}, q[ ] = {{0, 1}, ... Read More

A pentagonal pyramidal number is equal to the number of items in a pentagonal base pyramid. Look at some Pentagonal numbers below.Sum of Pentagonal Numbers till N equals to Nth Pentagonal Pyramidal Number. In this article, we will discuss finding the Nth Pentagonal Pyramidal number, for exampleInput : N = ... Read More

In the given problem, we are given an integer n we need to find Pn, i.e., the pell number in that position. Now, as we know, pell number is a part of a series given by this formula −Pn = 2*Pn-1 + Pn-2With first two starting numbers − P0 = ... Read More

Discuss a problem based on expanding the matrix. Expanding matrix is a matrix whose size continuously increases by some factor.Here we have a matrix of characters whose size is expanding by a factor of 2, i.e., if the original size of the matrix is N * N, then the size ... Read More

In this article we are given values of several rows and several columns. We need to print a Box pattern such that 1’s get printed on 1st row, 1st column, last row, last column, and 0’s get printed on remaining elements. For example −Input : rows = 5, columns = ... Read More