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====== 2023暑假第一场加训  ======

[[https://codeforces.com/group/mjyX90X3J8/contest/463232|比赛链接]]

===== 赛时记录 =====
传统开局，在50min左右跟榜过掉K题，1h20min左右跟榜过掉G题，之后ljz开D题，因极角排序问题出现WA和RE，期间fks开C题并在RE一发后AC。之后对极角排序进行多次修改后过掉D题。I题尝试使用模拟退火和乱搞做法，没过。A和F在思考后认为是不可做题。

===== 总结 =====

本次比赛开题策略无误，但做题过程中D题因为失误罚时多次，细节问题仍然需要把控。I题未过说明临场发挥能力仍需锻炼。同时本场比赛中在A和F题上耗费精力过多，未能及时分辨出其为不可做题，同时J题的wqs二分未进行仔细思考，还需巩固训练。

===== Dirt =====

C(-1)：数组越界

D(-12)：极角排序出现错误