Fivefold Removals Alice and Bob are playing a simple game on marbles. They have a bucket containing N marbles, and the... |
Buckets of Water In Abby's area the water is available in the tap only from 6AM to 8AM. So, Abby thought she would st... |
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... |
A Girl Has No Name "Joffrey... Cersei... Ilyn Payne... the Houn.." - Arya Stark Garden of Bones, Game of Thrones S02E04... |
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... |