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2019年6月11日

摘要： Problem Description When you arrived at Charles de Gaulle airport, you naively accepted a ride to Paris by an unauthorized driver who offered you “com 阅读全文

posted @ 2019-06-11 20:29 beafreeman的学习报告阅读(422) 评论(0) 推荐(0)

Codeforces Round #563 (Div. 2) D、Ehab and the Expected XOR Problem

摘要： D. Ehab and the Expected XOR Problem Given two integers n and x, construct an array that satisfies the following conditions: for any element ai in the 阅读全文

posted @ 2019-06-11 00:37 beafreeman的学习报告阅读(208) 评论(0) 推荐(0)

2019年6月10日

东北大学校赛题目每日一题

摘要： Problem Description Damon loves to take photos of the places he visits during his travels, to put them into frames. All of his photos are in a square 阅读全文

posted @ 2019-06-10 11:25 beafreeman的学习报告阅读(300) 评论(0) 推荐(0)

2019年6月11日

2019年6月10日

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