Road Minister Techboy Techboy is appointed as the minister of roads and highway in his country Better-Not-Name-It. Now he ... |
Assigning Workstations Penelope is part of the admin team of the newly built supercomputer. Her job is to assign work-stati... |
Flow on Tree Mr. Kaboom has recently learned about maximum flow. Now his friend Mr. Taboom gave him this problem.... |
Jontrona of Liakot Liakot, the king of Cox's Bazar, is currently in a dire situation. His own younger sister Ayesha is ... |
Train Hijack You and your friend Daneliya Tuleshova are planning to hijack a train. Your friend will go inside a... |
Quarantiko "If you feel unwell, stay home." Riaz has created a special encryption algorithm named Quarantiko to... |
Inversions and Goodbye It's time to say goodbye to CSEmpur, at least for today. And so you wanted to give the citizens of C... |
Binary Pigeons There are $N$ pigeons standing one after another in a straight line. There are two kinds of pigeons:... |
Disturbing Students N students were gathered in front of CSEmpur gate. They wanted to take a tour of the famous CSEmpur ... |
Game of Gnomes The enemy and their massive army is approaching your fortress, and all you have to defend it is a le... |
Escape Plan Hey, you are stuck on prison and you have to get out soon. This prison has one way road and you can ... |
Lexicographical Smallest String There is a string $s$ of length $n$ containing lowercase letters and an integer $k$. Among the lette... |
Generation Gap There are n people standing in a queue. The age of the ith person is ai. The more the age gap betwee... |
Permutations and Divisors Let P be a permutation of length n where each value from 1 to n occurs exactly once. A subsequence o... |
Keep It Cool As the workload of the semester is ramping up you get the task of refilling the fridge in the lab wi... |
Birthday Gifts Today is Luke's birthday. Mr. Phil Dunphy (Luke's father) has thrown a birthday party for him and de... |
Flyover in Twinland Rio has become the president of Twinland. Now he wants to develop his country to fulfill his promise... |
Déjà Vu Thor, the Thunder God is fighting a horde of monsters in a cave. The cave is so narrow that it can b... |
Darth Vader and 3PO on a Tree! Did you watch Star Wars yet? No? You should in your free time. Now back to Darth Vader and 3PO. Dart... |
Find the Good Sequence Let's say two numbers are called "good" if their difference is at least 2. Similarly, a sequence is ... |
Angels and Demons You are walking at midnight along a road that has N checkpoints numbered from 1 to N from left to ri... |
Problem Setter Crisis Competitive Programming is very popular in Leading University. There are many great achievements of ... |
Buildings There are n buildings in a row. The height of the i-th building is hi. You have ৳k. It is the amoun... |
Hardest Problem Ever Prof.Dr.DP is very famous professor. He is expert (actually legendary grandmaster) in Dynamic Progra... |
BAPG Russell loves solving math problems and also playing online games. Recently, he has started playing ... |