# Data Structure Problems

#### Easy Prime!

There are N numbers in an array. You will have Q queries. In eac...

#### New Year Couple

The new year 2017 is here. To celebrate the 31st night, Mr Rio h...

#### Village Fair 2

There are N houses in a village far away from here. They are num...

#### Cut the Rope

Fahim is a rope seller. He has a special tool for cutting ropes....

#### Subarray Sum

You are given an array having N integers. You have to select at ...

#### Data Structure

The operations that are performed in a data structure can be cat...

#### Byang and War Tactics

Byang is learning about War Tactics from Raat, a famous martial ...

#### Sofdor Ali and Bracket Sequence

Sofdor Ali has invented a new game. He asked his assistant Jong ...

#### Smallest Subarray

You are given an array A of N integers A1, A2, A3, …, AN . If we...

#### Array Simulation

You are given an array of N elements. Initially all the indices ...

#### Device ID

A device ID is a distinct number associated with a smartphone or...

#### Primary Key

“Clarity-Lon” is the new awesome e-commerce based startup that w...

#### Rio and Inversion

One day Rio was returning home from his university and unfortuna...

#### Special Pair

Mr. X is an “array pagla” person. He loves doing different types...

#### Maintain the Queue

“Ajob Desh” is a strange country. Anyone who wants to buy train ...

#### Subset of Sequences

You will be given a set of sequences. Each sequence is a list of...

#### Perseus and The New Challenge

The life of princess Andromeda, the daughter of King Cepheus and...

#### Mario and Princess Peach

The world of Mario can be imagined as 2D grid of N rows and M co...

#### Final Days of Goldfinger

We see agent Bond once again being called in time of a great nee...

#### Smart Query Handler

Bit operators perform bit-wise operations between two binary num...

#### Earthquake!

Most houses are not as safe as they could be. Earthquake enginee...

#### Expandable ListView

Minas is working on his new language. He want to add a feature c...

#### Another Update-Query Problem

You will be given an array A of length N and you will have to pe...

#### Battle of Endor

After myriad battles and death of million rebel soldiers, it is ...

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