Maintain the Queue
“Ajob Desh” is a strange country. Anyone who wants to buy train tickets need to go to the railway st...
Rotated Square
You are given N 2D points, and some query 2D points. For each query point you need to find the area ...
faiyaz26 Moderate 2/6/61
Event Timing
Bob is making a new application for Android phones. Front-end of his app has a button like this: Whe...
Cover the Points
You are given a set of points P, and a set of target points M in 2D space. For each point M[i] in M,...
Village Fair 2
There are N houses in a village far away from here. They are numbered from 1 to N. For this problem ...
An Interesting Game
Stackmatch is a very popular game of Matland. In this game, they uses C types of coins and a stack. ...
Keep Moving
Balurmath is a city which has N interesting tourist spots, which are connected between themselves by...
Old Magic!
You: Guess an integer number, but don't tell me. Your friend: Okay! You: Now multiply it by 3. Your ...
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...
Alice and the Chessboard
It's Sunday afternoon, and Alice is in her room trying to figure out the rules of the game called Ch...
The Perfect Collection
Given an array A of N integers, if we choose any K of these integers and calculate their bitwise XOR...
Dot Hunter
The birthday party is near to an end now. You, Sohel bhai and all his others friends are playing a g...
Table Tennis
One day you have invited Sohel bhai to come to East West University to see an intra-University table...
Special Pair
Mr. X is an “array pagla” person. He loves doing different types of things with arrays. Today Mr. X ...
Prime Avoider
Mr. X is a friend of Hafiz bhai. Mr. X loves to play with numbers in his leisure but he hates prime ...
Angry Mamu
We all little brothers of Sohel vai are now gathered in a party at his home. “Mamu”, the most popula...
Mysterious Sum
Sohel vai reads newspaper every morning. The newspaper he reads contains some good features includin...
Rio and Inversion
One day Rio was returning home from his university and unfortunately lost his phone on the way. He a...
Primary Key
"Clarity-Lon" is the new awesome e-commerce based startup that went to the top of the chart within f...
Ghosh vs Datta
About two hundred years ago, a serious dispute evoked between the two neighboring colonies of Khulna...
Flyover in Twinland
Rio has become the president of Twinland. Now he wants to develop his country to fulfill his promise...
Infinite Game
One day Oditi and her two brothers Sam and Ron were feeling bored as their summer vacation was almos...
Gretchen and Strange Function
Gretchen loves experimenting with functions. She came up with an interesting function recently that ...
Gaaner Koli
The protagonists of this problem are two great programmers of a certain institution Omanush and Ordi...
The Multiplayer Action Game
Have you played the game Agar.io? According to wikipedia, Agar.io is a massively multiplayer action ...
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