Explosion There is a house named Larcana. It is a very weird house. There are exactly N rooms in total and bet... |
Police Stations Recently the government of country S is going to construct some police stations(possibly zero) in so... |
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... |
Do You Know Tree ? "Stay at least one metre distance from others.” Corona has affected the World as well as Bangla... |
Color The Graph You are given an acyclic, bidirectional graph with NNN nodes and M edges. The nodes are numbered fro... |
Race in DomKi There is a kingdom called DomKi. DomKi has N city and N-1 two-way road. Each city is numbered with 1... |
XOR Tree You are given a tree with NNN vertices. A tree is a connected undirected graph without cycles. The t... |
Subtree MEX You will be given a balanced binary tree of NNN nodes. Each of the nodes of the tree will contain a ... |
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