On Oct/04/2018 10:05 (Moscow time), the Codeforces Round 513 by Barcelona Bootcamp (rated, Div. 1 + Div. 2) will start. This is a special round, branded by Indeed Tokyo, VTB and the Hello Barcelona Programming Bootcamp. It is rated for all participants, everybody can register on it regardless of a rating. VTB, the largest international bank based in Eastern Europe, continues to be an official partner of the Hello Programming Bootcamp series, adding further quality to the 3rd edition of the Hello Barcelona Programming Bootcamp by bringing their own participants, as well as by supporting top teams from around the world. Indeed Tokyo is Japan's branch of the #1 employment website in the world, giving job seekers free access to millions of jobs from thousands of company websites and job boards. As they sponsor for the second year in a row, Indeed continues to offer the best job opportunities to the boot camp participants. Wish good luck to all the participants!

There will be 7 problems, common for both division. The problems are prepared by me and Arterm with assistance from 300iq. Have fun!