Data Structure Problems
Perseus and The New Challenge The life of princess Andromeda, the daughter of King Cepheus and Queen Cassiopeia of Ados, is in dan... |
Another Update-Query Problem You will be given an array A of length N and you will have to perform Q operations on that array. Th... |
Maximum Meetings I am the boss of my company. I have n employees. The office time of my company starts at 1. Every em... |
Big Tang Theory Shell Don (Shelly in short) is a theoretical physicist who is claimed to be highly intelligent with ... |
Making Football Teams There are N football teams and each team has a positive number of players. You are given Q queries. ... |
Counting Friends Johnny uses a social network called Supernova. Unlike the other social networks, Supernova does not ... |
Smart Query Handler Bit operators perform bit-wise operations between two binary numbers. Wikipedia says, binary operati... |
Subtree MEX You will be given a balanced binary tree of N nodes. Each of the nodes of the tree will contain a no... |
Restore Missing Values Consider an array of 'N' integers which is indexed from '1' to 'N'. Exactly 'Q' queries numbered fr... |
Bored?? "Avoid touching your face, particularly your eyes, nose or mouth to prevent the virus from entering ... |
Donate Our Department We are students of CSE, IU. It is very well known that our departmental instruments are not so good.... |
Escape Plan Hey, you are stuck on prison and you have to get out soon. This prison has one way road and you can ... |
Protik and Hill Climbing Who doesn't want to save a mother? Like everyone, Protik was finding a way to earn some money (he h... |
Distinct Dishting You are given an array of N integers. Then there will be Q commands of the following type: Change ... |
MSIS! Do you know what MSIS is? MSIS is the abbreviation for Maximum Sum Increasing Subsequence. It is a s... |
ICPC World Final ICPC (International Collegiate Programming Contest) World final is one of the most prestigious conte... |
Holy Tree What is a tree? A tree is a bidirectional connected graph with no cycle. In a tree, we can create ... |
Byang and War Tactics Byang is learning about War Tactics from Raat, a famous martial arts master, who has successfully tr... |
Jenga Tower Maybe you all are familiar with Jenga Game. "Jenga is played with 54 wooden blocks. Each block is th... |
Remember the Name... There's a famous song written by Mike Shinoda, which has these lines: This is 10% luck, 20% skill, ... |
Village Fair 2 There are N houses in a village far away from here. They are numbered from 1 to N. For this problem ... |
Array Simulation You are given an array of N elements. Initially all the indices have a value of 0. You have to do fo... |
GCD and Sum Congratulations! You’ve been hired in “Buggy Software Ltd.” And you’ve been already given your first... |
Crayons Five friends A, B, C, D and E has come to a shop to buy crayons for their art project. They need cra... |
City of Burgerland Have you ever heard of The Burgerland City? The city is full of burger shops. You will surely find s... |
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