Distinct Dishting
You are given an array of $N$ integers. Then there will be $Q$ commands of the following type: Cha...
Taju Kage Bunshin No Jutsu
Naruto Uzumaki is one of the strongest ninja of RUET (Rasengan University of Ebisu and Tobi), posses...
Is It A Square?
Shikamaru is the most brilliant student of his class. He is very good at Mathematics. Mr. Asuma is t...
New Divisor Problem
In mathematics, a divisor of an integer n, also called a factor of n, is an integer m that may be mu...
Phi Numbers in Range!
In number theory, Euler’s phi function, denoted as ϕ(n), is an arithmetic function which counts the ...
Crayons
Five friends A, B, C, D and E has come to a shop to buy crayons for their art project. They need cra...
Distribution of Relief
"Please follow all instructions provided by your local health authorities." Due to Coronovirus epide...
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