比赛录屏 https://www.bilibili.com/video/BV1Aw411n7DP/?vd_source=9a4bbd69c77feaab80f2e4e19721de57vd_source=9a4bbd69c77feaab80f2e4e19721de57 \(Best of N Sets\) https://www.codechef.com/viewsolution/1031196498 \(Minimum XOR\) https://www.codechef.com/viewsolution/1031202227 \(Alter Ego\) https://www.codechef.com/viewsolution/1031240608本栏目推荐文章Adobe Acrobat XI Pro 打开pdf报错 109Educational Codeforces Round 152 (Rated for Div. 2)vp Educational Codeforces Round 160 (Rated for Div. 2)109. 有序链表转换二叉搜索树Educational Codeforces Round 160 (Rated for Div. 2)Educational Codeforces Round 151 (Rated for Div. 2)补题A~DCF1916F Group Division记录CodeForces 1916F Group DivisionEducational Codeforces Round 160 (Rated for Div. 2)Educational Codeforces Round 160 (Rated for Div. 2) 题解A~DStarters Division Rated 109starters division rated 109 codechef starters division报告 rated starters educational codeforces round rated round codeforces rated based rated 158 div for contest april fools rated 109 starters原理starter spring