Codeforces Round #174 (Div. 2) Cows and Sequence(线段树)
摘要:
C. Cows and Sequencetime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputBessie and the cows are playing with sequences and need your help. They start with a sequence, initially containing just the number 0, and perform n operations. Each operation is 阅读全文
posted @ 2013-03-26 19:35 铁树银花 阅读(320) 评论(0) 推荐(1) 编辑