Problem Statement Suppose you are given a binary string, and two numbers x and y. The string consists of 0s and 1s only. The problem “Rearrange a binary string as alternate x and y occurrences” asks to rearrange the string such that the 0 comes x times ⇒ 1 comes …
Problem Statement You have given an array of integers. The problem “Rearrange array such that even index elements are smaller and odd index elements are greater” asks to rearrange the array in such a manner that the even index elements should be smaller than the odd index elements in a …
Problem Statement “Count pairs from two sorted arrays whose sum is equal to a given value x” problem states that you are given two sorted arrays of integers and an integer value called sum. The problem statement asks to find out the total number of pair which sums up to …
Valid Sudoku is a problem in which we have given a 9*9 Sudoku board. We need to find the given Sudoku is valid or not on the basis of the following rules: Each row must contain the digits 1-9 without repetition. Each column must contain the digits 1-9 without repetition. Every of the 9 3×3 sub-boxes …