2017年4月7日
POJ-2513 Colored Sticks 【欧拉通路+Trie】
摘要： Description You are given a bunch of wooden sticks. Each endpoint of each stick is colored with some color. Is it possible to align the sticks in a st 阅读全文
posted @ 2017-04-07 21:51 Robin! 阅读(137) 评论(0) 推荐(0) 编辑
POJ-1275 Cashier Employment 【差分约束+二分】
摘要： Description A supermarket in Tehran is open 24 hours a day every day and needs a number of cashiers to fit its need. The supermarket manager has hired 阅读全文
posted @ 2017-04-07 18:05 Robin! 阅读(189) 评论(0) 推荐(0) 编辑