u013023344的专栏

DescriptionSoon there will be held the world's largest programming contest, but the testing system still hasm bugs. The contest organizer, a well-known university, has no choice but to attract u

A. Lineland Mailtime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputAll cities of Lineland are located on the Ox coordin

Codeforces Round #315 (Div. 1)