Lazy Supermen There are two hills in Sonargaon. The heights of them are H1 and H2 meter. The distance between the ... |
Raem's Square Raem is an eight years old boy. One day his family was visiting Dhaka Shishu Park near Shahbag. Besi... |
Super Shop A super shop sells only 26 items, labeled them from ‘A’ to ‘Z’. The shop stores the list of products... |
Lets Make a Plan It’s not easy to hang out with your friends during weekends when you have a full-time job and bills ...
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Ishtiaque and the Rabbit Mr Ishtiaque is in trouble. A few months ago, he bought 2 rabbits. He wanted to have two pet rabbits... |
Angle of Polygon Nusrat is a brilliant student. She is good at all subjects but only get confused with geometry. Toda... |
Life of Phi II You will be given two integers n and m where GCD(n,m)=1. You have to tell that how many numbers are ... |
Dengue Affected Areas Dengue, the talk of the town of Dhaka this year. So many people suffered from dengue fever and a num... |
Boys in the Assembly N boys are standing in the assembly. There is a single line only. Boys are denoted by their roll num... |
Mystery of Fibonacci Fibonacci sequence is a recursive sequence that depends on the following definition: Fib(N) = Fib(N-... |
Exponential Growth You will be given two integers X and N, you have to calculate XN modulo 1000000007. |
Count the Chaos Imagine, you have an array of integers of size N. At each index of this array is a unique integer fr... |
Lucky Stone Game Alice and Bob are playing a stone game. They consider 4 and 7 as lucky numbers and they like to make... |
Super Mario Bros Every kid loves to play Super Mario Bros. Mario moveু forward and collects coins in a stage. Stages ... |
Ne-Zu-Ko Chaaaaaaaaaaaaan! Tanjiro and his sister Nezuko live in a village that is shaped like a circle with a radius R. There'... |
Bulls, Cows, and Digits Let's play a game. This game is a few centuries old. Nonetheless, it is a good one for an interactiv... |
Demonic Subset Lets not waste your time with long tiring problem statement and just go straight to the point. You a... |
Life of Phi The Great Khami is learning Number Theory. He is very excited to know that Euler's Totient Function ... |
Dr. Tanzil's Island Dr Tanzil has a circular shaped lake that he bought long ago. One day while he was visiting there, h... |
A Ridiculous Problem Let's face it. This problem is here just to spite you off. So, I will not beat around the bush. You ... |
He Who Must Not Be Late He Who Must Not Be Named, Lord Voldemort, is chasing Harry and Hermione. They have been able to reac... |
Paranoid Trading You have been newly appointed as the accountant of Michael Corleone - the famous mafia boss. Your ta... |
A Lack of Common Divisors Given a positive integer N, determine how many of the integers between 1 and N are co-prime with N. ... |
Relatively Prime Given a positive integer N, determine how many of the integers between 1 and N are co-prime with N. ... |
Mind Flayer Has Attacked Again! Mind flayer, the shadow monster has attacked the town of Hawkins again. This time, the mind flayer h... |