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14 posts

Top 50 Tree Coding Problems for Interviews

Last Updated: 21 February 2025

Here is the collection of the Top 50 list of frequently asked interview questions on Tree. Problems in this Article are divided into three Levels so that readers can pract...read more

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Interview-Questions

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Top 50 Problems on Queue Data Structure asked in SDE Interviews

Last Updated: 20 February 2025

A Queue is defined as a linear data structure that is open at both ends and the operations are performed in First In First Out (FIFO) order. We define a queue to be a list...read more

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Top 50 Problems on Stack Data Structure asked in SDE Interviews

Last Updated: 29 March 2025

A Stack is a linear data structure in which the insertion of a new element and removal of an existing element takes place at the same end, represented as the top of the st...read more

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Interview-Questions

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Top Problems on Heap Data Structure asked in SDE Interviews

Last Updated: 29 March 2025

A Heap is a special Tree-based Data Structure in which the tree is a complete binary tree.Generally, heaps are of two types: Max-Heap and Min-Heap. To know more about this...read more

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Interview-Questions

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Top 50 Problems on Recursion Algorithm

Last Updated: 29 March 2025

Recursion is one of the most essential algorithms that uses the concept of code reusability and repeated usage of the same piece of code.In this post, we have curated an e...read more

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Interview-Questions

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Top 50 Problems on Hash Data Structure asked in SDE Interviews

Last Updated: 03 July 2023

Hashing is a technique or process of mapping keys, and values into the hash table by using a hash function. It is done for faster access to elements. The efficiency of map...read more

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Identify the Most Strongest Programmer

Last Updated: 05 December 2023

There are N Players in a Game and you have given M pieces of information about their superiority. The ith information ( infromation[i] = {Ai, Bi} ) states that "Player Ai...read more

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Minimum operations for balancing Array difference

Last Updated: 23 December 2023

Given an integer array A[] consisting of N integers, find the minimum number of operations needed to reduce the difference between the smallest and largest elements in the...read more

Data Structures-Array

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Circular Subsequence Shift with Deque

Last Updated: 17 November 2023

Given a string S of lowercase English letters, each character is linked to one of T's unique identifiers. Specifically, character positions are associated with identifiers...read more

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Maximum Balanced Subsequence Score

Last Updated: 23 July 2024

Given a stock's prices for the past n days in the array stockPrice. Choose a subsequence (an ordered subset of an array's elements) of stock prices, called chosenDays, suc...read more

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cpp-unordered_map

Python dictionary-programs

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Geeks Premier League 2023

Find the number of subsequences of N friends

Last Updated: 29 January 2024

Given two arrays A[] and B[] of length N and M respectively. A[] represents the age of N friends and B[] contains M number of pairs in the form of (X → Y), which denotes X...read more

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Data Structures-Graph

Algorithms-InsertionSort

Permutation and Combination

Pigeonhole Principle

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Geeks Premier League 2023

Find out the maximum value of the expression according to the given constraint

Last Updated: 28 April 2025

Given an array A[] of length N. Then your task is to output the maximum value of (Sum/LCM). Where Sum is the addition of all the elements of A[] and LCM is a number betwee...read more

Geeks Premier League

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Geeks Premier League 2023

Find Maximum Sum of Mountain Triplets

Last Updated: 04 March 2024

Given an array A[] of integers. Then the task is to output the maximum sum of a triplet (Ai, Aj, Ak) such that it must follow the conditions: (i j k) and (Ai Aj Ak). I...read more

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Geeks Premier League 2023

Minimum moves to make X = Y by adding or subtracting numbers starting from 1

Last Updated: 16 April 2024

Given 2 integers X and Y, make X = Y by performing the following operation: Start 'i' from 1 and continue till N(minimum number of moves). Then there are 2 cases: If 'i' i...read more

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