Kingdom of Equality There is a kingdom called DomKi. There are N cities and N – 1 bidirectional roads in DomKi. The citi... |
Help to Be Happy A country named Mueawin has one or more villages and one or more people live in every village. Two p... |
Plus Ultra!! UA high school is one of the most prestigious schools in Japan that aims to train future heroes in a... |
Mickey the Magician Mickey the magician is working on a vaccine for COVID-19. But he is not sure if the vaccine which is... |
Betting Business You have opened a new betting business. You have decided that you will accept bets on the upcoming C... |
Budget Tour Dipu Bhai lives in a country called Chocoland. There are n cities in Chocoland. The cities are numbe... |
Efa & Her Array Efa has received an array a1,a2,a3,…an of n integers as her birthday gift. Her younger sister Ta... |
The Foolish Hunter Abul the hunter goes to X number of places to hunt animals every day. In every place, there are Ynum... |
The Cipher In an ancient civilization, shrouded in the mists of time, there existed a group of mathematicians k... |
Reverse Hash Binary strings are strings that can only have 0 or 1 as the characters. The hash value of a string i... |
Final Days of Goldfinger We see agent Bond once again being called in time of a great need. The vile criminal Auric Goldfinge... |
Biswa and Restaurant Business After huge success in Borhani business, Biswa has recently started restaurant business. He’s got the... |
Magical Pascal Given an integer N, find the number of elements which are even in the first N rows of the Pascal's t... |
Robin Sparkles Robin Sparkle went to the mall one day. While shopping, she remembered that she has a homework due t... |
Life Is Dark and Full of Error The problem title doesn't mean anything, right? Wrong! It's a fact! Anyway, let's get to business. T... |
On the Sea Cherry isn't feeling well right now as she found a problem that she couldn't solve. So she started t... |
Binary Rhodium Xenon is a great alchemist. Recently, he has decided to perform a special type of transmutation. But... |
Building the Number This is a straight-froward problem. You will be given N. You have to find the expected value of buil... |
LFR In this year's RoboFest, there a segment called LFR(Line Follower Robot) contest. An LFR contest is ... |
Incremental Induction The Nordic Collegiate Pong Championship (NCPC) is an insanely competive tournament where every conte... |
LCM Divisible Subsequence You’ll be given an array of $N$ integers and two more integers $K$ and $M$. You have to find the num... |
Path Intersection Extended Do you remember the problem from ICPC Dhaka Regional 2018 named $Path$ $Intersection$ by Md. Imran B... |
Puzzle of 1's and 0's There is a rectangular puzzle board containing N×Mnumber of places. Each place contains a number: ei... |
Repeating Units A number is called repunit (Repeating Units) if the number is made of only 1’s, uch as 1,11 or 11111... |
Static Tree You are given a tree containing N vertices. The vertices are numbered from 1 to N. A tree with N ver... |