Hello everyone! Codeforces Round #257 is coming soon.
In this round, you are going to meet our friend Jzzhu. Though my id is jzzhu, the real Jzzhu isn't me, and he is a very cute boy. Now he is facing some challenges. Can you help him to solve the problems?
Have a good time with Jzzhu!
In Div. 1, scores for each problem will be 500-1000-1500-2000-2500.
In Div. 2, scores for each problem will be 500-1000-1500-2000-2500.
The contest is over. Thanks for participating.
Congrats the winners.
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