Distinct Dishting
You are given an array of N integers. Then there will be Q commands of the following type: Change ...
Taju Kage Bunshin No Jutsu
Naruto Uzumaki is one of the strongest ninja of RUET (Rasengan University of Ebisu and Tobi), posses...
Explosion
There is a house named Larcana. It is a very weird house. There are exactly N rooms in total and bet...
Set Union
Given two sets of integers, print the set containing the union of the two input sets. For example, g...
Dengue Affected Areas
Dengue, the talk of the town of Dhaka this year. So many people suffered from dengue fever and a num...
Productive Employees
Congratulations on becoming the new boss of "Horizontal Company, branch: Sylhet"! But now you have a...
Neat Brackets
Given a sequence of opening and closing parentheses ("(" and ")") you will have to determine if it i...
City of Burgerland
Have you ever heard of The Burgerland City? The city is full of burger shops. You will surely find s...
Count the Chaos
Imagine, you have an array of integers of size N. At each index of this array is a unique integer fr...
Find the Good Sequence
Let's say two numbers are called "good" if their difference is at least 2. Similarly, a sequence is ...
Phi Numbers in Range!
In number theory, Euler’s phi function, denoted as ϕ(n), is an arithmetic function which counts the ...
Crayons
Five friends A, B, C, D and E has come to a shop to buy crayons for their art project. They need cra...
Modulo
Let's get straight into the problem. In ths problem, here will be multiple test cases. In each test ...
Ajob Commute II
Once again we return to Ajobshohor, the capital city and the heart of Ajobdesh. Ajobshohor’s road sy...
Mr Max Count Sum
Mr Max , Mr Sum and Mr Count are three neighbours. They have a common enemy, an old man living in th...
Rivalry Friends
Ryo and his girlfriend love to think about challenges. One day his girlfriend gave him a challenge t...
Palindrome Query I
You are given a string of length L. You have Q queries. In each query, you will be asked to either u...
MSIS!
Do you know what MSIS is? MSIS is the abbreviation for Maximum Sum Increasing Subsequence. It is a s...
Naughty Subsequence - V2.0
Mahib loves ‘Naughty Subsequence’-s. He will give you an array of characters ara[0,1,...,n-1] that c...
mashfiqur404 DP, DataStructure Very Easy 38/43/96
Straightforward
No gossip. In this problem I will just say what to do. Initially, you will be given a bracket sequen...
Hamming Distance
Hamming distance between two binary strings of equal length is the number of mismatches between ever...
Poltu and Graph
Poltu has got a graph with N nodes and M edges. Every edge has a weight. There can be multiple edges...
Memes vs. Social Media
In this era of modern technology social media is the most powerful weapon and the viral issue is the...
Mad Engineer Aksir
Can you imagine? Mad Engineer Aksir finally got the job. His job is to set up toggle switch for a se...
Static Tree
You are given a tree containing N vertices. The vertices are numbered from 1 to N. A tree with N ver...
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