Formatted Numbers

Read an integer variable and print it in which the digits are separated into groups of three by comm...

Better Passwords

Byang is creating an account on Toph. He needs your help to create a strong password. Byang will gi...

Is Anagram

An anagram is a word formed by rearranging the letters of another word. The words “listen” and “sil...

Is Palindrome

Given a word, print “Yes” if it is a palindrome, otherwise “No”. A palindrome is a word which reads...

Problem in the Printer

Shamim bought a second-hand printer. However, there was a fault in that printer. The printer is prin...

Reverse Man

Monu mia is a reverse man! Never heard of reverse man? It means if you ask him to write something in...

Konami Code

The Konami code is a sequence of key/button presses that is implemented in many video games to unloc...

Genius Needs Help

You all know Emrul bhai, right? He is a genius guy. He knows how to add two integer numbers and so d...

Match the Substring

String Matching is an important problem in computer science research and finds applications in data ...

#Hashtag

Giving Hashtag in Social Network is very popular now a day. But Poltu is very new in Social Network....

Remove Duplicates

The problem is so simple. You are given a string and you have to remove all duplicate characters fro...

Passwords

Alice wants to extract some passwords from a random string. A password can have any number of charac...

Convert String Into Palindrome

A palindrome is a word, number, phrase, or other sequence of characters which reads the same backwar...

Distinctness

A substring of string S is another string S’ which occurs in string S. For example: S = aaba and one...

K-String

We will call a string K-String if it consists of K distinct characters. For example, if K is 3 then ...

New Year Couple

The new year 2017 is here. To celebrate the 31st night, Mr Rio has thrown a big party at his house. ...

Game of Palindromes

In a popular computer game, Game of Palindromes also known as GOP there is a city called Palindesh. ...

Living on a Prayer

Tommy is an unlucky guy who used to work on the docks. He and his wife Gina are not financially stab...

Palindromic Naming Convention

In Strangeland, people name their child in a cute way. I’m sure you already know the way by the prob...

Isomorphic Graph

You are given two connected graphs $G_1$ and $G_2$. Both of the graphs have $N$ vertices and $N$ num...

Who Is the Organizer?

In Sylhet Engineering College a lots of events take place. Some events are oraganized by a single or...