TarifEzaz

You will be given an integer x. The absolute value of x will be within 100. You have to add 1 to x's...

On 12 June 1942, Anne received a diary as a gift. She started writing on it. Later, her diary had be...

In the year 1992 AD, little Pranoti started to learn how to write. She already figured out that her ...

Arshiya is just three and she already started programming. She has learned how to write loops. Recen...

After the big decentralization process, where Dhaka city's population were relocated, a new city cal...

Ekhlas is a bad boy, not the type of bad that you generally admire. When he was little, his primary ...

In the strange neighborhood of Nocu, a lot of people lives pretty happily, or so they think. Like mo...

As some of you already know, Nocu City has a history of having bad neighbors. These bad ones, take a...

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

Like most of the other teenage girls, Shabnam loves to generate strings. But recently, she discovere...

Byang is the most famous detective of Dhaka City. He has just received a secret document regarding h...

Byang and his little brother Kuno loves Cricket. But they never went to the stadium to watch a match...

Neema and Mouri loves to collect coins. When they get bored, they bring out all of their coins. Usua...

Johnny uses a social network called Supernova. Unlike the other social networks, Supernova does not ...

Imagine, you have an array of integers of size N. At each index of this array is a unique integer fr...

Sometimes, contestants tend to look for patterns in problem descriptions. They try to figure out the...

The operations that are performed in a data structure can be categorized into two types: query and u...

Let’s talk about one fascinating fact about circles. For that, let’s perform the following experimen...

Long ago, after learning how to add two numbers, Shakib came to know about multiplication. Multiplic...

Bubble sort is a sorting algorithm that can sort an array of numbers in increasing order. In each of...

You will be given two integers X and N, you have to calculate XN modulo 1000000007.

The Least Common Multiple of two integers $a$ and $b$ is the smallest integer $x$, such that $x$ is ...

Trisha and her little sister Rafa loves gardening. They plant trees and water them everyday. When th...

Fear no more, this is a problem of geometry! When Moyna was little, he had a math teacher named Shuk...

About two hundred years ago, a serious dispute evoked between the two neighboring colonies of Khulna...

A Common Multiple of two integers a and b is an integer X, such that both a and b divides X. A numbe...

You have been called to an interview at Jifatsum, a company you’ve never heard of and who supposedly...

Jewel is a promising magician. Recently, he has learned a technique to mesmerize his audience. Let's...

In a kingdom far away, $N$ people live in a circle of harmony. Literally, they have constructed a ci...

The economic crisis continues in our beloved kingdom. The king has asked the data scientists to coll...

Tasnim Imran Sunny is the fifth Bangladeshi red coder from Topcoder. This problem is to pay tribute ...

Given any circle, if you divide the circumference of that circle with its diameter, you would always...

The Great Khami is learning Number Theory. He is very excited to know that Euler's Totient Function ...

Anjan was feeling low for nearly a couple of months. To improve his condition, he decided to track h...

The city of Dhaka is experiencing the construction of metro rails. Imagine one such metro rail spans...

Ridoy is a world class programmer. He writes his programs with a lot of care so that the odds of a b...

In a given set of integers, the "mex" or the minimum excluded value is the smallest non-negative int...

The Great Monk Maruf is planning to visit the jungle of Amazon. He loves to prepare himself rigorous...

Fibonacci sequence is a recursive sequence that depends on the following definition: Fib(N) = Fib(N-...

Two numbers are relatively prime or co-prime if their greatest common divisor is 1. In this problem,...

The Great Researcher Dr. Bari loves to do research. Once he was doing research on VLSI Circuit Desig...

A permutation of N integers from 1 to N is an array where each number has appeared exactly once in t...

In the city of Musabad, criminals are punished heavily. Once an enemy is caught, he is kept in the j...

The Bad guys are using the social media to spread their malicious messages to the mass. They have co...

Sofdor Ali loves Computer Science. He prefers hexadecimal number system to decimals, just because it...

Sofdor Ali found interest in mathematics very early in his life. And now, he wants to spread this in...

One of Sofdor Ali’s greatest accomplishment was his Biriyani restaurant! Unlike the traditional rest...

Minesweeper is a popular single-player puzzle video game from the 60's. It still enjoys the privileg...

In the world of computing, giving gifts like arrays are completely acceptable. Instead of exchanging...

Imam has been participating in online programming contests for years. His goal is to become a "Maste...