Tagged: Intermediate

1

Sort an Array such that the odd numbers appear first followed by the even numbers . The odd numbers in ascending order and the even numbers in descending order.

Objective: Given an array of intergers, sort it such that the odd numbers appear first followed by the even numbers . The odd numbers in ascending order and the even numbers in descending order....

2

Find the first repeated element in an array by its index

Objective: Given an array of integers, find out the first repeated element. First repeated element means the element occurs atleast twice and has smallest index. Input: An Array Output: The first repeated element Examples...

3

Determine whether given binary tree is binary search tree(BST) or not

Objective: Given a Binary tree, find out whether its binary search tree or not. Input: A Binary Tree. Output: True or false based on whether tree is BST ot not. Approach: Method 1 :...

1

Given two binary trees, check if one binary tree is a subtree of another

Objective: Given two binary trees, check if one binary tree is a subtree of another Input: Two binary trees Output: True or false based on whether one tree is subtree of another Example :...

%d bloggers like this: