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 ...

Be Like Hasib

Hasib, the famous programmer, uses a little game when he teaches Binary Search to his students. He r...

Complex Operations

You are given an array A of length N. You have to perform two different types of operations. In the ...

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...

Ice-Cream of Montu Mia Again!

Montu Mia is a student of “Omok School”. He likes to eat an ice-cream every day. But he also likes t...

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, ...

Exists or Not Exists

You will be given some numbers. Then there will contain some queries. In every query there will be g...

Balanced Relief

Thanos just finished his relief work. We all know that Thanos loves balanced things. So he finds som...

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...

A Super Easy Problem - "Array Query"

Let's get into the problem directly without much description this time :D . You are given an array A...

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...

The Story of Stringland

The king of Stringland is employing an elite force of undercover agents to protect the kingdom from ...

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 ...

Poltu and Interesting Number

Poltu Loves interesting number. So he wants to find this type of number. The definition of an intere...

Master Plan

Gakra Miah is a Wollywood movie lover. He watches movies almost everyday. He has watched so many mov...

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 =...

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 ...

M-Sequence

A sequence is called M-sequence if after removing zero or more elements from the sequence the GCD of...

Largest Prime

A positive integer number n is called a prime number, if it is only divisible by 1 and n itself, whe...

Lucky Shirt

Marjokes is a very famous comedy personality in Byteland. He is a poet, a writer, a singer and an ac...

Jenga Tower

Maybe you all are familiar with Jenga Game. "Jenga is played with 54 wooden blocks. Each block ...

N Cities

In a country there are NNN cities numbered from 111 to NNN. To Travel along the cities there are tot...

Watercolor

Bob is the owner of a shop named "Color Maker". He has 256 types of watercolor in his shop...

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...

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