Taofiq the House Prefect Tomorrow is a very special day for Taofiq. He is participating in an intra school quiz contest. As h... |
Tahsin and Tree Tahsin loves graph theory very much. He is especially fond of trees. For his upcoming birthday his f... |
Road Minister Techboy Techboy is appointed as the minister of roads and highway in his country Better-Not-Name-It. Now he ... |
Incremental Induction The Nordic Collegiate Pong Championship (NCPC) is an insanely competive tournament where every conte... |
Help to Be Happy A country named Mueawin has one or more villages and one or more people live in every village. Two p... |
Kingdom of Equality There is a kingdom called DomKi. There are N cities and N – 1 bidirectional roads in DomKi. The citi... |
Kingdom of Code Kingdom CODE is the most peaceful place in the universe. King NOVOSH and Queen ALMIDA is ruling this... |
Many Paths, Many Costs Alice and Bob are visiting Byteland. They are observing the map of this country. Surprisingly, the m... |
Flow on Tree Mr. Kaboom has recently learned about maximum flow. Now his friend Mr. Taboom gave him this problem.... |
Efficient Construction on Mars Elon Musk has constructed N cities numbered from 0 to N−1 on Mars. He initially planned to construct... |
Preparing for War There were N cities in England. Each contained a warrior with skillset equal to X. All the cities we... |
Spreadsheet v1 Are you trying to find a problem that is easy to solve? Even if it involves writing a lot of code? T... |
Christmas Tree Professor Rio has an amazing Christmas tree. Unlike other trees, this Christmas tree has some specia... |
Unfair Robot Race Two teams of robots, Team A and Team B, are racing in a 2D grid. There will be a total of 6 rounds. ... |
Birthday Present?! As everyone gifts graphs or strings to people on their birthdays, Oyshee’s friends decided to do som... |
Color The Graph You are given an acyclic, bidirectional graph with N nodes and M edges. The nodes are numbered from ... |
Change Queries Today is a very special day for Rubel. Recently he got a job in a software company. Now today is the... |
War in the Wizarding World There is a deadly war going on between two countries (Bitland and Byteland) in the wizarding world. ... |
Hide and Seek You know how to play hide-and-seek, right? In a group of kids, one of them is selected to be the see... |
Reverse The Magic You are probably familiar with the technique of representing a Tree as an array of integers using Eu... |
Big Bang Theory Dr. Sheldon Cooper is working on a project that works on the 2D concept of the universe. In this pro... |
MangoSmash Your friend has come to visit the RUET campus. As the Mango season goes on ⋯, he/she said “Mama Aam ... |
Playing On A Directed Graph You are given a directed graph consisting of n vertices and m edges (each edge is directed, so it ca... |
T5 Racing It is high time for the annual T5 racing and your team is planning to win the race. In T5 racing the... |
Zoba the Misleader Zoba has 3 strings, named S1, S2 and S3. He wanted to make a tough problem for Mihaf with these s... |