Welcom to the todays round! Note that this is last possibility to training before VK Cup on Codeforces — don't miss your chance! I hope, everybody will find interesting problems for him, you will not have misunderstanding with statements and there will have a harmony beteen your your solutions and our tests.
And so I want to thank Maria Belova for translation of the statements and Alexanber Kouprin (Alex_KPR) for the statement prereading and the picture =)
Please, pay attantion to unusual problems cost in the first division:
500 — 1000 — 1500 — 2500 — 2500
And without surprise in the second division:
500 — 1000 — 1500 — 2000 — 2500
Good luck for all!
Round is postponed to 30 minutes by technically reasons. Registration is ending in 21:25.