Data Structure Problems

You are given an array of N integers. Then there will be Q commands of the following type: 1) Change...

• By faiyaz26
• DataStructure, MOSAlgorithm, SegmentTree
• Moderate
• 46/89 Solutions
• 707 Submissions
• uDebug

Given two sets of integers, print the set containing the union of the two input sets. For example, g...

• DataStructure
• Moderate
• 577/672 Solutions
• 1748 Submissions
• uDebug

“Stay at least one metre distance from others.” Corona has affected the World as well as Bangladesh....

• By RamprosadG
• DFS, Graph, Tree
• Moderate
• 9/11 Solutions
• 37 Submissions

You will be given some numbers. Then there will contain some queries. In every query there will be g...

• By bisnu_sarkar
• BinarySearch, DataStructure
• Moderate
• 78/124 Solutions
• 430 Submissions

There are N football teams and each team has positive number of players. You are given Q queries. Q...

• By RamprosadG
• BinarySearch, DataStructure
• Moderate
• 40/59 Solutions
• 186 Submissions

Shefin is playing a video game. In this game, there will be N buildings in a row. i^{th} building ha...

• By tanu_RUET
• DP, DataStructure, Sorting
• Moderate
• 8/14 Solutions
• 72 Submissions

You will be given a sequence of opening and closing brackets of different types ((, ), [, ], {, and ...

• Stack
• Moderate
• 329/359 Solutions
• 781 Submissions

Fahim is a rope seller. He has a special tool for cutting ropes. But recently this tool is behaving ...

• By maruf_0011
• DataStructure
• Moderate
• 76/108 Solutions
• 980 Submissions
• uDebug

Let’s get into the problem directly without much description this time :D . You are given an array A...

• By RamprosadG
• BinarySearch, DataStructure
• Moderate
• 23/67 Solutions
• 197 Submissions

This year Hablu wants to participate in ICPC. He studies in “*Habagoba University*” along with n oth...

• By shihan04
• DataStructure
• Moderate
• 150/223 Solutions
• 681 Submissions

Now Erik has more candies than he had previously. In fact, he has infinite number of candies, and he...

• By skmonir
• DataStructure
• Moderate
• 12/19 Solutions
• 89 Submissions

Koanhali is a strange country. The govt. of Koanhali maintain the marriages of this country. If you ...

• By Riaz_BSMRSTU
• DataStructure, Implementation, Math
• Moderate
• 85/124 Solutions
• 339 Submissions

You are given a tree of n vertices. Each vertex contains an integer. Vertex 1 is the root of the tre...

• By emrul_mu
• DataStructure, FenwickTree, MergeSortTree
• Moderate
• 52/58 Solutions
• 169 Submissions

You are given a string of length L. You have Q queries. In each query, you will be asked to either u...

• By tahmedge, IamHot
• DataStructure, Hashing, SegmentTree
• Moderate
• 4/14 Solutions
• 52 Submissions

Imagine, you have an array of integers of size N. At each index of this array is a unique integer fr...

• By TarifEzaz, backbencher16
• FenwickTree, SegmentTree, Sorting
• Moderate
• 158/269 Solutions
• 706 Submissions

Let’s consider an array A which is initially empty. We’ll perform two types of operation on that arr...

• By moshiur_cse15
• DataStructure
• Moderate
• 56/105 Solutions
• 556 Submissions

“Avoid touching your face, particularly your eyes, nose or mouth to prevent the virus from entering ...

• By Riaz_BSMRSTU
• DisjointSets, FenwickTree, SegmentTree
• Moderate
• 3/19 Solutions
• 50 Submissions

Naruto Uzumaki is one of the strongest ninja of RUET (Rasengan University of Ebisu and Tobi), posses...

• By rohijulislam
• DataStructure, MOSAlgorithm, MergeSortTree, SegmentTree
• Moderate
• 20/35 Solutions
• 101 Submissions

Byang is learning about War Tactics from Raat, a famous martial arts master, who has successfully tr...

• By forthright48
• DataStructure
• Moderate
• 22/49 Solutions
• 168 Submissions
• uDebug

There are N numbers in an array. You will have Q queries. In each query, you can make 2 operations. ...

• By tahmedge
• FenwickTree, NumberTheory, SegmentTree
• Moderate
• 306/400 Solutions
• 1235 Submissions
• uDebug