Codeforces Codeforces Round #484 (Div. 2) E. Billiard
摘要:
Codeforces Codeforces Round 484 (Div. 2) E. Billiard 题目连接: "http://codeforces.com/contest/982/problem/E" Description Consider a billiard table of rect 阅读全文
posted @ 2018-06-13 06:00 EDGsheryl 阅读(491) 评论(0) 推荐(0)
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