Given two integers M and X, the task is to find the number of sequences of length M that can be generated comprising of X… Read More

# Category Archives: Pattern Searching

Given two integers N and M denoting the dimensions of a chessboard, and two integers X and Y denoting the King’s position, i.e. the cell… Read More

Given a 2D array, board[][] of size 9 × 9, which represents a solution to the Sudoku puzzle, the task is to check if the… Read More

Given N rows and M columns of a matrix, the task is to fill the matrix cells using first K integers such that: Each group… Read More

Given a string S of length N consisting of lowercase letters and an integer K, where N % K = 0, the task is to… Read More

Given an array arr[] consisting of N integers, the task is to find the mean of the array formed by the products of unordered pairs… Read More

Given an integer N, split the first N natural numbers into two sets such that the absolute difference between their sum is minimum. The task… Read More

Given a string S of length N containing lowercase alphabets. Two players A and B play a game optimally in turns, starting with player A.… Read More

Given an array arr[] consisting of N integers, the task is to count the total number of pairs of array elements from the given array… Read More

Given a string S of length N consisting of “?” and lowercase letters, the task is to replace “?” with lowercase letters such that no… Read More

Given string str, the task is to rearrange the given string to obtain the longest palindromic substring. Examples: Input: str = “geeksforgeeks”Output: eegksfskgeeorExplanation: eegksfskgee is… Read More

Given an integer N, the task is to generate a matrix of dimensions N x N using positive integers from the range [1, N] such… Read More

Given two integers A, B which are any two terms of an Arithmetic Progression series, and an integer N, the task is to to construct… Read More

Given string str of length N, the task is to check if the given string contains only special characters or not. If the string contains… Read More