Spot It!
Have you played the game Spot it!? Though there are many ways to play this game, the basic rule is t...
Inspired by Bermuda Triangle
Do you know about Bermuda Triangle? The Bermuda Triangle is a mythical section of the Atlantic Ocean...
Trust Me , You Can Solve It ;-)
Nafis Shahriar loves to do codeforces programming contests. He is the first candidate master in code...
Beautiful or Not?
Rakib & Raghib are two friends. One day Rakib gave an array of numbers to Raghib and told him to mak...
Hououin Kyouma!
Okabe Rintarou, the mad scientist is doing research to find the most desired Steins Gate. Besides be...
N Cities
In a country there are N cities numbered from 1 to N. To Travel along the cities there are total N b...
Dividing the Gifts
Today is a very good day in CSEmpur because Tuktuki has bought N gifts! Tuktuki wants to give these ...
Productive Employees
Congratulations on becoming the new boss of "Horizontal Company, branch: Sylhet"! But now you have a...
Sofdor Ali and Attack Optimization
Tuki and Jha is in the middle of an interplanetary war and their base is under drone attack! They ar...
Robot
There were many robots in a robotics lab. Some robots had very high IQ (IQ means task performance). ...
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...
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