Help Lazy Tareq
There is a boy named Tareq Abrar who is very lazy. He likes sleeping. He also likes eating. His moth...
Poltu and Minimum Spanning Tree
Boltu gave a simple task to his best friend Poltu. You are a good programmer. So, Poltu hired you to...
Mushrur Injured in Singara Blast
Mashrur Hossain, a programmer, came to Bot-toli from GEC yesterday to attend an event organized by t...
Killing Floor
$N (1 \leq N \leq 10^{18})$ robots have decided to take part on a battle royale. Every robot has a u...
Marks Crisis!!!
Rakib got the result of his previous English exam. But he did very poor in the exam, and went to his...
A New Tree
Bob had N isolated nodes. He decided to connect the nodes by creating new edges and make a tree. So ...
Average the Array
You are given an array A of length N. You have to choose a subset S from given array A, such that av...
Lucky Shirt
Marjokes is a very famous comedy personality in Byteland. He is a poet, a writer, a singer and an ac...
The Exceptional Artist
Irtiza is an extraordinary sketch artist. His obsession with perfection drives him to make every pix...
Spot It!
Have you played the game Spot it!? Though there are many ways to play this game, the basic rule is t...
The Multiplayer Action Game
Have you played the game Agar.io? According to wikipedia, Agar.io is a massively multiplayer action ...
Master Plan
Gakra Miah is a Wollywood movie lover. He watches movies almost everyday. He has watched so many mov...
An Obvious Interactive Problem
I pick a number. You guess it. You can guess at most 25 times. For every guess you make, I will tell...
Be Like Hasib
Hasib, the famous programmer, uses a little game when he teaches Binary Search to his students. He r...
Largest Prime
A positive integer number n is called a prime number, if it is only divisible by 1 and n itself, whe...
Kitorp and His Love
Kitorp loves his wife Asiar(who is a problem solver as well) but he loves math more. To get his atte...
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...
Eet Izz Phet!
A long long time ago, I left the country that was my home and with my head full of brains and shoes ...
I Scream, You Scream!
Meem loves ice cream cones. So much so that she created an ice cream stand to share the joy of ice c...
Complex Operations
You are given an array A of length N. You have to perform two different types of operations. In the ...
The Story of Stringland
The king of Stringland is employing an elite force of undercover agents to protect the kingdom from ...
Poltu and Interesting Number
Poltu Loves interesting number. So he wants to find this type of number. The definition of an intere...
Most Difficult Problem Ever
You are given a function like below: long long F(int A, int B, int C, long long x) { long long res =...
Answer the Queries
Given an array of N elements, indexed from 0 to N−1. Now you are given some queries in the form [L,R...
XOR Partition
Neo has a hidden array A of n integers where 0 ≤ Ai ≤ 109 is satisfied for each i from 1 to n . You ...
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