Easy Prime! There are N numbers in an array. You will have Q queries. In each query, you can make 2 operations. ... |
GCD Plus LCM In this problem you will be given two integers a, b. You have to answer if GCD(a,b)+LCM(a,b)=a+b is ... |
Nusrat's Treat We all know how much Nusrat loves chocolate! She gets a lot of chocolate from her friends and family... |
Joker's GCD Test Joker has a sequence P of n integers. Each two elements in the sequence are pairwise distinct. He de... |
Thought Game Sadia is one of the nicest persons you will ever meet. In fact, she is one of those persons who like... |
Unique Relief Thanos has now figured out how to visit all the houses in the flood-affected area. However, now he h... |
Relatively Prime Given a positive integer N, determine how many of the integers between 1 and N are co-prime with N. ... |
BigNumSum You will be given two numbers of 40 digits each. You will have to print the summation of these two n... |
Arshiya's First Code Arshiya is just three and she already started programming. She has learned how to write loops. Recen... |
Window Seats on a Bus Karim is traveling by bus. He has the window seat. However, he has to share the window with the pass... |
Black or White Imagine an infinite chess board. The cell on the bottom-left most corner is labelled (0,0). The cell... |
Opera & B2G1 “Don’t practice until you get it right. Practice until you can’t get it wrong” Bangladesh is the ho... |
Area In this problem, you will be given a square which has a length of n. Co-ordinates of the square are ... |
Magic Square A little boy Towhid is good at mathematics. He solves a lot of mathematical equation regularly. He i... |
Chief Thief A group of thieves steal only money. Every morning they deposit the money to their leader. The leade... |
Calculate the Sum If You Can This problem deals with the following expression: 1−2+1−2+1−2+1−2+1−2+1−2+1−2+... Given n, you have ... |
Chance of Passing the Quiz Rocky is starting his online quizzes and he has been provided with some passing criteria. The rule o... |
Red and Green Suppose, there is an array of N integers. Each index of the array is either red or green. The first ... |
Boltu vs Balti Boltu and Balti are two friends. Boltu is a great programmer whereas Balti is a newbie programmer. B... |
Who Ate the Pizza Slices? Misty’s life is very dramatic. No matter how careful she is, some interesting and sometimes unfortun... |
Level Up You are playing a game that has 16 levels. You start with level 1 and after gaining a certain amount... |
Kinderbijslag Kinderbijslag (children's allowance) is a social security payment which is distributed to the parent... |
Sofdor Ali and Histogram The Great Sofdor Ali is now interested in competitive programming. Seeing this, his friend and also ... |
Sofdor Ali and the Puzzle of Weights Sofdor Ali is one of the most famous scientists of Bangladesh. He is also well known for his puzzle ... |
Roll the Dice You have got a 6 sided dice. In a single roll, it may show any integers from 1 to 6. You are going t... |