Easy Factorial? It is time to show your performance on number theory. Why so late? Come to the point. You are given... |
Gifted Mary is an intellectually gifted 7-year-old girl. On her first day at school, she impressed her math... |
Easy Sequence 1 Let’s define an easy sequence F. Where: F(1)=1 F(2X)=F(X)2+1 F(2X+1)=F(X)×F(X+1)+2 Here X is a posit... |
Doom of Mosquitoes Jahid does not like to study. He loves to do other things during his study time. Killing mosquitoes ... |
Interplanetary Mission The National Space Center(NSC) is planning an interplanetary mission in a new galaxy far far away fr... |
Broken Chain Jahid loves Motorbikes. He really wants to have a bike of his own. So he requests his elder brother ... |
Alien Invasion Fisaow is a farmer. He has a large field covered with grass and wants to create some pattern or desi... |
Gotta Print 'Em All Gray has received N documents this morning and he wants to print as many of them as he can within hi... |
Powerful Array You are given an array A of N integers . Now you have to process Q queries in this array. Each query... |
Shiku Gets Lucky One day while playing, Shiku found a sequence of lowercase English letters. Shiku thought it might b... |
Interesting Triplets (Easy) Niko just learned about tree. Not those give us oxygen but tree from graph theory. After a while, he... |
Sir From CSEmpur Have you seen the monkey sticker set? Maybe not.But I am pretty sure you have seen it a lot if you e... |
Perseus and The New Challenge The life of princess Andromeda, the daughter of King Cepheus and Queen Cassiopeia of Ados, is in dan... |
Dividing the Gifts Today is a very good day in CSEmpur because Tuktuki has bought N gifts! Tuktuki wants to give these ... |
Reform A Substring You are given a string s. You need to reform the string in such a way that there exists at least one... |
OCD Returns! This problem author has OCD (obsessive–compulsive disorder). One day his teacher gave him an array o... |
Clickbait Clickbait is something (such as a headline) designed to make readers want to click on a hyperlink es... |
No Need for Speed Mr. Baker always wanted to be a race car driver. But failing to reach his dream goal, he started his... |
National Flag Today is the 16th December, a red letter day of our national history. The whole country equipped wit... |
Jenia's Homework Jenia is a very talented girl. She got homework from school. She is such a nerd who cries if she can... |
Answer the Queries Given an array of N elements, indexed from 0 to N−1. Now you are given some queries in the form [L,R... |
Description is Pathetic Do you know what is the hardest part of creating a problem? Thinking and writing the description. Yo... |
Maze Ball Game Your friend Yulianna Karaulova, likes to play maze ball game. You are going make a DIY project to bu... |
Poltu the Legend Serajnagar M. A. Pilot Model High School is situated at Raipura, Narsingdi, Bangladesh. This school ... |
Biswa and Restaurant Business After huge success in Borhani business, Biswa has recently started restaurant business. He’s got the... |