Make More Money
You, the great businessman of TEUB, arrived at ESC land which consists of N cities numbered from 1 t...
Judging Troubles
The NWERC organisers have decided that they want toimprove the automatic grading of the submissions ...
Match Sticks
Bob was playing with match sticks and discovered that he could create alphabets and numbers by arran...
Robi Kaka's Cube
Our beloved Robi Kaka has invented a cube. You have to solve only one side of this cube – a square o...
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...
Next Permutation
A sequence of $N$ distinct integers is called a permutation if all the integers are between $1$ and ...
Revisiting Metro Rail Blocks
The city of Dhaka is experiencing the construction of metro rails. Imagine one such metro rail spans...
Shuvo Noboborsho!
"Shuvo Noboborsho" is the traditional greeting for Bengalis in the Bengali new year which means "Hap...
Tricky Racer
Talent Bob is a galaxy wide known legend and a racer (in game :P). He always wins races by his trick...
Cheers !!
Isabella is from the 19 series of RUET. She loves programming. Also, She considers a number lucky fo...
Final Over
This is ICC World Cup Final and the match is between Bangladesh and Australia. The match goes down t...
Think Inside the Box
Babu Bhai is a student of AUST. He has some favorite numbers. His favorite numbers are those number ...
ACT 1: Ash Counting Trees
Ash Ketchum has a weird rooted tree (read Notes sections if you don't know about tree data structure...
Compressed String
You are given a string $S$ consisting of lowercase latin letters '$a$' & '$b$' only. Your task is to...
String Is Not That Easy
Let's consider a string S which is obtained by concatenating the non-negative integers from 0 to 102...
Locality-Sensitive Hashing I
According to Wikipedia, Locality-Sensitive hashing (LSH) is an algorithmic technique that hashes sim...
Hououin Kyouma!
Okabe Rintarou, the mad scientist is doing research to find the most desired Steins Gate. Besides be...
President of RUET FC
Zenitsu has been elected as the president of RUET FC and now he wants to sign some of the best world...
Help Sakib!
Sakib likes competitive programming. Often he takes part in online programming contests. But due to ...
Jontrona!
Isfan vai is on high demand nowadays. You know why, right? However, his best friend is somewhat disa...
The Game Is Finally On
As Mr. Bean was playing a video game in the previous problem, now he is leveled up. At this level, h...
Who Gets the Money!?
Who doesn’t get happy after getting money in the pockets of clothes before washing them? During this...
Groby
In the 1970-80s, students in the Soviet Union had to face quite a hurdle. The administrators of sele...
Jumbled Communication
Your best friend Adam has recently bought a Raspberry Pi and some equipment, including a wireless te...
Adhoc Moderate 1/1/1
Binary Pigeons
There are $N$ pigeons standing one after another in a straight line. There are two kinds of pigeons:...
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