Prisoners
Let me tell you a story of a dangerous prison. There were N prisoners in that prison. It is guarante...
Goku's Tree
Recently Goku has discovered a rooted tree graph. Goku’s tree has N nodes, among them node 1 is the ...
Expected Result
A witch has imprisoned Bob in the 1st room of the Central Witchland Hotel. The hotel is weird. All t...
Building the Number
This is a straight-froward problem. You will be given N. You have to find the expected value of buil...
Morona Virus Arrived
"Cover your nose and mouth with a bent elbow or tissue when you sneeze or cough." World has defeated...
Marbles Per Second
You have a rooted tree of n nodes. If we traverse the tree from the root, let’s say the traversing o...
Toph uses cookies. By continuing you agree to our Cookie Policy.