2016年2月19日
Codeforces Round #114 (Div. 1) D. Wizards and Roads 笛卡尔树+树贪心+阅读题
摘要： D. Wizards and Roads 题目连接： http://www.codeforces.com/contest/167/problem/D Description In some country live wizards. They love to build cities and roa 阅读全文
posted @ 2016-02-19 21:20 qscqesze 阅读(489) 评论(0) 推荐(0) 编辑
Codeforces Round #114 (Div. 1) E. Wizards and Bets 高斯消元
摘要： E. Wizards and Bets 题目连接： http://www.codeforces.com/contest/167/problem/E Description In some country live wizards. They like to make weird bets. Two 阅读全文
posted @ 2016-02-19 18:34 qscqesze 阅读(453) 评论(0) 推荐(0) 编辑