2017年11月19日
Xenia and Bit Operations CodeForces - 339D
摘要： Xenia the beginner programmer has a sequence a, consisting of 2n non-negative integers: a1, a2, ..., a2n. Xenia is currently studying bit operations. 阅读全文
posted @ 2017-11-19 22:19 天之道，利而不害 阅读(378) 评论(0) 推荐(0)
Bottles CodeForces - 730J
摘要： Nick has n bottles of soda left after his birthday. Each bottle is described by two values: remaining amount of soda ai and bottle volume bi (ai ≤ bi) 阅读全文
posted @ 2017-11-19 14:37 天之道，利而不害 阅读(371) 评论(0) 推荐(0)