Tomorrow in unusual time round will be held using problemset of Moscow programming competition for school students of grades from 6 to 9. Do not be tricked by the age range of the participants, Moscow jury always tries its best to select interesting problems of various topics. Problems were developed by halin.george, Sehnsucht, _kun_, gritukan and ch_egor.
Thanks to MikeMirzayanov for an excellent platform Codeforces for contests and an excellent platform Polygon, which greatly simplifies the preparation of contests.
Thanks to V--o_o--V for reducing the statements and translating them into english.
Hope to see you in the standings!
UPD1: Scoring 500-1250-1250-1500-2000-2750