Mr. Hikiko and a Strange Game (Hard)
Mr. Hikiko recently downloaded a strange game on his phone from a store. This game is quite interest...
Help Chokro
Pias and Chokro are good friends. Pias's birthday is coming soon. So, Chokro wants to gift Pias an a...
Osim's Maze
Welcome to Osim's maze! Unfortunately, you are in the maze right now and you want to come outside th...
Array Partition
Today Leena learnt about subarrays and partitions. Given an array $A$, a subarray of this array is a...
Video Game Pro
Shefin is playing a video game. In this game, there will be $N$ buildings in a row. $i^{th}$ buildin...
Defeat in Final Battle
Sifatul Islam is a great fan of Iron man. He is planning to make a suit for iron man. The suit can s...
Penguins of Madagascar
One day the penguins of Madagascar found a string S... Wait... Wait. Actually the setter of the prob...
Shopping is Fun!!
Mr. Hikiko passed his Eid without shopping because of ongoing lockdown. Now, Govt. removed the lockd...
Divisible by 3
You will be given a string containing digits. You have to say the number of sub strings whose sum is...
Lets Play Pipeline
In this problem you will have to solve a puzzle game named "Pipeline". 90's kids knows this game ver...
Make It Big!
You are given a number N (10 ≤ N ≤ 2×109). You have to perform exactly two swap operation. You can c...
Cutting Bamboos
There are $n$ bamboos in a row. Khan the bamboo cutter is going to cut them all one by one. He can d...
Brain Pleased
Like most of the other teenage girls, Shabnam loves to generate strings. But recently, she discovere...
Erik: The Candyboy - 1
Erik has N candies, and he wants to distribute those candies among his friends. But he has more frie...
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....
K-Game
To end the everlasting rivalry between Tom and Jerry, the Lady of the house found an Idea. She gives...
Hasinur's Mission!
Let me tell you something about Hasinur: He is a religious person. He prays 5 times a day. He loves...
COVID-19 Outbreak
COVID-19 outbreak in Atlantis is so bad that the government is forced to lock down the whole country...
Naming Convention
Tony works in a multinational technology company named Voogle LLC. The employees of Voogle follow ce...
Easy
This problem is very easy. As my mood is not so good, I will not elaborate the statement unnecessari...
Powerful Array
You are given an array A of N integers . Now you have to process Q queries in this array. Each query...
Aliens
19 February 2020, Unidentified flying object (UFO) has captured student’s attention on top of the CS...
Subway Surfers
Jake is a character of a well-known game named Subway Surfers. He is being chased by police because ...
Police Stations
Recently the government of country S is going to construct some police stations(possibly zero) in so...
Toph uses cookies. By continuing you agree to our Cookie Policy.