2019年7月19日
CodeForces - 855B Marvolo Gaunt's Ring（DP）
摘要： Professor Dumbledore is helping Harry destroy the Horcruxes. He went to Gaunt Shack as he suspected a Horcrux to be present there. He saw Marvolo Gaun 阅读全文
posted @ 2019-07-19 20:31 明霞 阅读(348) 评论(0) 推荐(0)
POJ 3687 Labeling Balls
摘要： Description Windy has N balls of distinct weights from 1 unit to N units. Now he tries to label them with 1 to N in such a way that: No two balls shar 阅读全文
posted @ 2019-07-19 16:08 明霞 阅读(177) 评论(0) 推荐(0)