Minimum number of integers required to fill the NxM grid
Given a grid of size (NxM) is to be filled with integers. Filling of cells in the grid should be done in the following manner:… Read More »
Category Archives: Mathematical
Check whether Bishop can take down Pawn or not
Given the position of a Bishop and a Pawn on a 8 * 8 chessboard, the task is to check whether the Bishop can take… Read More »
Program to calculate the area between two Concentric Circles
Given two concentric circles with radius X and Y where (X > Y). Find the area between them. You are required to find the area… Read More »
Find the values of X and Y in the Given Equations
Given two numbers and . Find the values of X and Y in the equations. A = X + Y B = X xor Y… Read More »
Find maximum operations to reduce N to 1
Given two numbers A and B ( A and B can be up to 106 ) which forms a number N = (A!/B!). The task… Read More »
Program to implement Inverse Interpolation using Lagrange Formula
Given task is to find the value of x for a given y of an unknown function y = f(x) where values of some points… Read More »
Choose points from two ranges such that no point lies in both the ranges
Given two segments [L1, R1] and [L2, R2], the task is to choose two elements x and y from both the ranges (one from range… Read More »
Minimum value to be added to X such that it is at least Y percent of N
Given three integers N, X and Y, the task is to find the minimum integer that should be added to X to make it at… Read More »
Count triplet pairs (A, B, C) of points in 2-D space that satisfy the given condition
Given N points in 2 dimensional space. The task is to count the number of triplets pairs (A, B, C) such that point B is… Read More »
Minimum number of operations to move all uppercase characters before all lower case characters
Given a string str, containing upper case and lower case characters. In a single operations, any lowercase character can be converted to an uppercase character… Read More »
Sub-string that contains all lowercase alphabets after performing the given operation
Given a string str containing lower case alphabets and character ‘?’. The task is to check if it is possible to make str good or… Read More »
Find the winner by adding Pairwise difference of elements in the array until Possible
Given an array arr[] of positive distinct integers, two players A and B are playing a game. At each move, a player selects two numbers… Read More »
Find integers that divides maximum number of elements of the array
Given an array arr[] of integers, the task is to find the element (other than 1) which is the factor of maximum number of elements… Read More »
Smallest integer with digit sum M and multiple of N
Given two positive integers N and M, the task is to find the smallest positive integer which is divisible by N and whose digit sum… Read More »
Find the cordinates of the fourth vertex of a rectangle with given 3 vertices
Given an N * M grid. It contains exactly three ‘*’ and every other cell is a ‘.’ where ‘*’ denotes a vertex of a… Read More »