Strong Passwords Mitu had been using the password mitu1997qt on all her online accounts. And sure enough, her account... |
Clock Fantasy One day the author imagined an analog clock with minute and hour arms. The thought was simple: if we... |
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... |
Tricky Racer Talent Bob is a galaxy wide known legend and a racer (in game :P). He always wins races by his trick... |
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... |
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 ... |
Locality-Sensitive Hashing I According to Wikipedia, Locality-Sensitive hashing (LSH) is an algorithmic technique that hashes sim... |
Revisiting Metro Rail Blocks The city of Dhaka is experiencing the construction of metro rails. Imagine one such metro rail spans... |
Final Over This is ICC World Cup Final and the match is between Bangladesh and Australia. The match goes down t... |
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... |
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... |
Jealous Nobita Shizuka and Dekisugi are playing with a binary tree rooted at 1. In each turn, the player chooses a ... |
Hououin Kyouma! Okabe Rintarou, the mad scientist is doing research to find the most desired Steins Gate. Besides be... |
Shuvo Noboborsho! "Shuvo Noboborsho" is the traditional greeting for Bengalis in the Bengali new year which means "Hap... |
Judging Troubles The NWERC organisers have decided that they want toimprove the automatic grading of the submissions ... |
Cheers !! Isabella is from the 19 series of RUET. She loves programming. Also, She considers a number lucky fo... |
Who Gets the Money!? Who doesn’t get happy after getting money in the pockets of clothes before washing them? During this... |
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... |
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... |