Problem Statement: Given an array of non-negative integers representation elevation of ground. Your task is to find the water that
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Find the duplicate in an array of N+1 integers
Problem Statement: Given an array of N + 1 size, where each element is between 1 and N. Assuming there
Continue readingFind K-th Permutation Sequence
Problem Statement: Given N and K, where N is the sequence of numbers from 1 to N([1,2,3….. N]) find the
Continue readingBoundary Traversal of a Binary Tree
Problem Statement: BoundaryTraversal of a binary tree. Write a program for the Anti-Clockwise Boundary traversal of a binary tree. Example: Solution
Continue readingCount Maximum Consecutive One’s in the array
Problem Statement: Given an array that contains only 1 and 0 return the count of maximum consecutive ones in the
Continue readingStock Buy And Sell
Problem Statement: You are given an array of prices where prices[i] is the price of a given stock on an
Continue readingArea of largest rectangle in Histogram
Problem Statement: Given an array of integers heights representing the histogram’s bar height where the width of each bar is
Continue readingImplement Queue using Stack
Problem Statement: Given a Stack having some elements stored in it. Can you implement aQueue using the given Stack? Queue:
Continue readingLength of Longest Substring without any Repeating Character
Problem Statement: Given a String, find the length of longest substring without any repeating character. Examples: Example 1: Input: s
Continue readingMorris Preorder Traversal of a Binary Tree
Problem Statement: Morris Preorder Traversal of a Binary tree. Given a Binary Tree, find the Morris preorder traversal of Binary
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