Minimum number of stacks possible using boxes of given capacities
Given N boxes with their capacities which denotes the total number of boxes that it can hold above it. You can stack up the boxes… Read More »
Category Archives: Binary Search Tree
Make Binary Search Tree
Given an array arr[] of size N. The task is to find whether it is possible to make Binary Search Tree with the given array… Read More »
Arcesium Interview Experience ( FTE On-Campus)
The whole process was online. All the interviews were help via HackerRank CodePair Platform in our TPC office since they did not visit the campus.… Read More »
MakeMyTrip Interview Experience 2019
I applied for SSE position (Gurgaon Location) There were three rounds.. First round: Data Structures And Problem solving https://www.geeksforgeeks.org/level-order-traversal-in-spiral-form/ https://www.geeksforgeeks.org/rotate-a-matrix-by-90-degree-in-clockwise-direction-without-using-any-extra-space/ https://www.geeksforgeeks.org/design-a-data-structure-that-supports-insert-delete-search-and-getrandom-in-constant-time/ Second Round: Problem solving/Project… Read More »
Count of pairs violating BST property
Given a Binary tree and number of nodes in the tree, the task is to find the number of pairs violating the BST property. Binary… Read More »
Check if a triplet with given sum exists in BST
Given a Binary Search Tree and a SUM. The task is to check if there exists any triplet(group of 3 elements) in the given BST… Read More »
Print all odd nodes of Binary Search Tree
Given a binary search tree. The task is to print all odd nodes of the binary search tree. Examples: Input : 5 / \ 3… Read More »
Ceiling in right side for every element in an array
Given an array of integers, find the closest greater element for every element. If there is no greater element then print -1 Examples: Input :… Read More »
Find closest value for every element in array
Given an array of integers, find the closest element for every element. Examples: Input : arr[] = {10, 5, 11, 6, 20, 12} Output :… Read More »
Find closest smaller value for every element in array
Given an array of integers, find the closest smaller element for every element. If there is no smaller element then print -1 Examples: Input :… Read More »
Remove minimum elements from array so that max <= 2 * min
Given an array arr, the task is to remove minimum number of elements such that after their removal, max(arr) <= 2 * min(arr). Examples: Input:… Read More »
Find closest greater value for every element in array
Given an array of integers, find the closest greater element for every element. If there is no greater element then print -1 Examples: Input :… Read More »
Closest greater or same value on left side for every element in array
Given an array of integers, find the closest (not considering distance, but value) greater or same value on left of every element. If an element… Read More »
Double ended priority queue
A double ended priority queue supports operations of both max heap (a max priority queue) and min heap (a min priority queue). The following operations… Read More »
Find the node with maximum value in a Binary Search Tree
Given a Binary Search Tree, the task is to find the node with the maximum value in a BST. For the above tree, we start… Read More »