Problems from Practice Contest for the 2019 ICPC Asia Regional Dhaka Site Preliminary

These problems are from a contest hosted on September 20, 2019 at 9:00 AM UTC. See details...

Standings
A. Paranoid Trading
You have been newly appointed as the accountant of Michael Corleone - the famous mafia boss. Your ta...
B. Lucky Stone Game
Alice and Bob are playing a stone game. They consider 4 and 7 as lucky numbers and they like to make...
C. 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...
D. 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 ...
E. Dr. Tanzil's Island
Dr Tanzil has a circular shaped lake that he bought long ago. One day while he was visiting there, h...
F. Life of Phi
The Great Khami is learning Number Theory. He is very excited to know that Euler's Totient Function ...
G. Demonic Subset
Lets not waste your time with long tiring problem statement and just go straight to the point. You a...
H. 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...
I. Ne-Zu-Ko Chaaaaaaaaaaaaan!
Tanjiro and his sister Nezuko live in a village that is shaped like a circle with a radius R. There'...
J. Super Mario Bros
Every kid loves to play Super Mario Bros. Mario moveু forward and collects coins in a stage. Stages ...
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