A Journey Towards One
Given N. You can perform 3 types of operations: Increase N by 1. Decrease N by 1. Divide N by 2, av...
Game of Palindromes
In a popular computer game, Game of Palindromes also known as GOP there is a city called Palindesh. ...
Shrink the Array
You have an array of size N which contains positive integers. You can apply the following operation ...
Gaaner Koli
The protagonists of this problem are two great programmers of a certain institution Omanush and Ordi...
Police Stations
Recently the government of country S is going to construct some police stations(possibly zero) in so...
Rainy Day
You have to complete N tasks tomorrow, where each task can last for any number of minutes. Each task...
Aliens
19 February 2020, Unidentified flying object (UFO) has captured student’s attention on top of the CS...
Subarray Sum
You are given an array having N integers. You have to select at most K positions in the array and re...
Inversions and Goodbye
It's time to say goodbye to CSEmpur, at least for today. And so you wanted to give the citizens of C...
Interesting Pile Game
Turja and Akash are playing an interesting game. Initially a pile of N stones is given to them. Each...
DP Moderate 39/46/125
COVID-19 Outbreak
COVID-19 outbreak in Atlantis is so bad that the government is forced to lock down the whole country...
Demonic Subset
Lets not waste your time with long tiring problem statement and just go straight to the point. You a...
Do You Know Tree ?
"Stay at least one metre distance from others.” Corona has affected the World as well as Bangladesh....
Maximum Sum
Little Jimmy loves to play with numbers. One day he was playing with a number sequence. In his game,...
Alternative Subsequence: The Extension
Recall that the sequence b is a subsequence of the sequence a, if b can be derived from a by removin...
Super Mario Bros
Every kid loves to play Super Mario Bros. Mario moveু forward and collects coins in a stage. Stages ...
Train Hijack
You and your friend Daneliya Tuleshova are planning to hijack a train. Your friend will go inside a...
Shopping is Fun!!
Mr. Hikiko passed his Eid without shopping because of ongoing lockdown. Now, Govt. removed the lockd...
Game of Tic-Tac-Toe
Alice and Bob is a playing a game of tic-tac-toe, to be precise a variant of tic-tac-toe called Nota...
I Hate Combinatorics!
Rick and Morty are being hunted by the galactic government. They ran away to the cell dimension. The...
Is This a Give-Away?
Once there lived an ancient mage named Farabi. He could always give perfect weather forecast. He nev...
Pathetic Interview II
You all know about the story of Pathetic Interview-I. Today, I am sharing a story of my close friend...
Mina and Raju
Everyone know about Mina & Raju. They are siblings as well as good friend. The friend-circle of Mina...
Distinct Permutations
You are given two binary strings A and B. Recall that binary string is a non-empty sequence of chara...
Make Strings Great Again!
Do you know what is a sub-sequence? A sub-sequence is a sequence that can be derived from another se...
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