Life Is Dark and Full of Error
The problem title doesn't mean anything, right? Wrong! It's a fact! Anyway, let's get to business. T...
On the Sea
Cherry isn't feeling well right now as she found a problem that she couldn't solve. So she started t...
Binary Rhodium
Xenon is a great alchemist. Recently, he has decided to perform a special type of transmutation. But...
Reverse Hash
Binary strings are strings that can only have 0 or 1 as the characters. The hash value of a string i...
Sticking Pins
You are sticking pins on a 2D board at N given coordinates. However, since you are not very good at ...
Frog and Points
There are N stones on across the diameter of a perfectly circle shaped pond at equal distance. The 1...
Optimistic Parking
N friends are going to market. The shops of the market are located alongside a one-way road. There a...
Gorgeous Space Station
Doro is the chief commanding officer of two space stations, Mungi and Hanzi. To make both stations g...
Sweeper's Dillemma
Minesweeper is a popular single-player puzzle video game from the 60's. It still enjoys the privileg...
Simple Pyramid
You are given a pyramid with a polygonal base. Can you calculate the volume and surface area of the ...
Ajob Commute II
Once again we return to Ajobshohor, the capital city and the heart of Ajobdesh. Ajobshohor’s road sy...
Ant-Man And The Polygon
Ant-Man before escaping from the quantum realm thought about roaming around the realm. And much to h...
Kingdom of Equality
There is a kingdom called DomKi. There are N cities and N – 1 bidirectional roads in DomKi. The citi...
Help to Be Happy
A country named Mueawin has one or more villages and one or more people live in every village. Two p...
Plus Ultra!!
UA high school is one of the most prestigious schools in Japan that aims to train future heroes in a...
Mickey the Magician
Mickey the magician is working on a vaccine for COVID-19. But he is not sure if the vaccine which is...
Betting Business
You have opened a new betting business. You have decided that you will accept bets on the upcoming C...
Budget Tour
Dipu Bhai lives in a country called Chocoland. There are n cities in Chocoland. The cities are numbe...
Efa & Her Array
Efa has received an array a1​,a2​,a3​,…an​ of n integers as her birthday gift. Her younger sister Ta...
The Cipher
In an ancient civilization, shrouded in the mists of time, there existed a group of mathematicians k...
Marks Crisis!!!
Rakib got the result of his previous English exam. But he did very poor in the exam, and went to his...
The Game of Rocks
Alice and Bob have come up with a new game. Bob gives Alice a NxM grid that contains N rows and M co...
Why the Long Face?
Consider the following figure: Ciri and her horse Kelpie are standing at point A. She needs to go to...
Babur Biye
Babu is getting married. Babu's fiancé is a prominent programmer of Bangladesh. She told Babu to sol...
Kingdom of Code
Kingdom CODE is the most peaceful place in the universe. King NOVOSH and Queen ALMIDA is ruling this...
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