Erik: The Candyboy - 1
Erik has N candies, and he wants to distribute those candies among his friends. But he has more frie...
LIDS
We all know about LIS (Longest Increasing Sub sequence). The task to find the length of the longest ...
Help Chokro
Pias and Chokro are good friends. Pias's birthday is coming soon. So, Chokro wants to gift Pias an a...
Train Hijack
You and your friend Daneliya Tuleshova are planning to hijack a train. Your friend will go inside a...
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...
Do You Know Tree ?
"Stay at least one metre distance from others.” Corona has affected the World as well as Bangladesh....
Easy Sequence 1
Let’s define an easy sequence F. Where: F(1)=1 F(2X)=F(X)2+1 F(2X+1)=F(X)×F(X+1)+2 Here X is a posit...
Video Game
Shefin is playing a game. In this game there are N buildings numbered from 1 to N. Each building has...
Rainy Day
You have to complete N tasks tomorrow, where each task can last for any number of minutes. Each task...
Dominoes Forever
Once when I was little, my father took me to a tobacco shop! It is surprising, but true. He asked th...
Snake's Neck
Remember Violet and Dash from the movie "The Incredibles"? The two siblings recently installed the c...
Paranoid Trading
You have been newly appointed as the accountant of Michael Corleone - the famous mafia boss. Your ta...
Holy Tree
What is a tree? A tree is a bidirectional connected graph with no cycle. In a tree, we can create ...
Maximum Sum
Little Jimmy loves to play with numbers. One day he was playing with a number sequence. In his game,...
Counting Murgis
Ever since that wicked thief took away some of her murgis (hens, that is), Meena was ever anxious th...
m-Beautiful Numbers
An m-Beautiful Number is a number which is divisible by $m$ and the sum of the digits is also divisi...
Is Bita Happy?
Bita has learned bitwise-operations recently. She is doing some experiments with these operations no...
Burger King
Every day, more than 11 million guests visit BURGER KING® restaurants around the world. And they do ...
Harry Potter and the Vault of Gringotts
"There was a break-in of Gringotts Wizarding Bank on 1 May, 1998, during the height of the Second Wi...
Gaaner Koli
The protagonists of this problem are two great programmers of a certain institution Omanush and Ordi...
Alice in Candyland
Alice came up with a new game. In this game called "Candy Quest", there is a NxN size 2D grid. In ea...
OCD Returns!
This problem author has OCD (obsessive–compulsive disorder). One day his teacher gave him an array o...
The Perfect Collection
Given an array A of N integers, if we choose any K of these integers and calculate their bitwise XOR...
Subarray Sum
You are given an array having N integers. You have to select at most K positions in the array and re...
Sticking Pins
You are sticking pins on a 2D board at N given coordinates. However, since you are not very good at ...
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