A. Dream of TwilightACM ICPC is one of the most prestigious competitions which is held every year all over the world. Th...

B. Simple OperationMr. X is a school teacher. He teaches C programming to the students. In every class, he gives some s...

C. Arya’s CountingLittle Arya has learnt to count the highest and the lowest number recently. She can easily find out ...

D. Around the SquareYou are given a square and there are four circles which are overlapping the square. The center of ea...

E. Arya and ORLittle Arya loves to play with numbers. She likes to play in different ways with them. One day she s...

F. Bus Ride in Summer, Hot as HellA bus goes from place A to B and returns from B to A. Now there are N stops in its route. INi people...

G. CoPrime Enemy PairTwo integers A and B are known as coprime or relatively prime if their greatest common divisor GCD ...

H. Save the HeroOne day Taskin just wake up and found himself in a very big circle. He is captured by The ICC. So IC...

Practice contests allow you to rerun contests and experience them as close as possible to the original run.
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