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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...

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...

Balanced Relief

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

Sofdor Ali and Attack Optimization

Tuki and Jha is in the middle of an interplanetary war and their base is under drone attack! They ar...

Be Like Hasib

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

The Multiplayer Action Game

Have you played the game Agar.io? According to wikipedia, Agar.io is a massively multiplayer action ...

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...

Spot It!

Have you played the game Spot it!? Though there are many ways to play this game, the basic rule is t...

Master Plan

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

Lucky Shirt

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

Buildings

There are n buildings in a row. The height of the i'th building is hi. You have ৳k. It is the amount...

Mind Flayer Has Attacked Again!

Mind flayer, the shadow monster has attacked the town of Hawkins again. This time, the mind flayer h...

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, ...

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...

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 N cities numbered from 1 to N. To Travel along the cities there are total N b...

Watercolor

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

City of Burgerland

Have you ever heard of The Burgerland City? The city is full of burger shops. You will surely find s...