Anina's Christmas Tree This Christmas Anina and her friends have decided to make some Christmas trees to decorate her town.... |
Predict The Frequency Luis was sleeping. He suddenly woke up with three positive integers N, M and X. He told his younger ... |
Help IKRI Ikri has a binary string s of length n. (each character of s is either 0 or 1) The weight of the bin... |
Buckets of Water In Abby's area the water is available in the tap only from 6AM to 8AM. So, Abby thought she would st... |
Police Stations Recently the government of country S is going to construct some police stations(possibly zero) in so... |
Cent Savings To host a regional contest like NWERC a lot of preparation is necessary: organizing rooms and comput... |
Perseus and The New Challenge The life of princess Andromeda, the daughter of King Cepheus and Queen Cassiopeia of Ados, is in dan... |
Superman and the Buildings of Dahaka To end the long-running feud between Superman and Goku fans regarding who's stronger, Zeron has deci... |
This Is Business “Why brother why…?” “This is Business …” You have started a cupcake factory where two types of cupca... |
A Giveaway Mr. Tom is the head of ICPC world final organizing committee. For the world final, he comes to Dhaka... |
Lets Play Pipeline In this problem you will have to solve a puzzle game named "Pipeline". 90's kids knows this game ver... |
Rainy Day You have to complete N tasks tomorrow, where each task can last for any number of minutes. Each task... |
Mix and Merge You are given an array A of n elements and a constant k. You can perform the following operation on ... |
Bikpik Colony Bikpiks are very small aliens. Day by day they are becoming very dangerous for human being. They liv... |
Subway Surfers Jake is a character of a well-known game named Subway Surfers. He is being chased by police because ... |
Array Partition Today Leena learnt about subarrays and partitions. Given an array $A$, a subarray of this array is a... |
Oishi Teacher and Her Naughty Class Oishi teacher has returned to her class after the tiffin break. She noticed that some students who r... |
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... |
Powerful Array You are given an array A of N integers . Now you have to process Q queries in this array. Each query... |
Smart Feature Phone 2 Alice worked in CIA. Right now he need to send an encrypted message to the headquarter(HQ) of CIA. ... |
Divisible LCM You have a sequence a1, a2, a3, …, an of n integers and q queries. In each query, you are given ... |
Poltu and Digit Product You are given two integer L and R. You have to find the summation of digit product of all number fro... |
Shopping is Fun!! Mr. Hikiko passed his Eid without shopping because of ongoing lockdown. Now, Govt. removed the lockd... |
Aliens 19 February 2020, Unidentified flying object (UFO) has captured student’s attention on top of the CS... |
Mr. Hikiko and a Strange Game (Hard) Mr. Hikiko recently downloaded a strange game on his phone from a store. This game is quite interest... |