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"传送门" A. Suits 签到。 Code cpp / Author: heyuhhh Created Time: 2019/12/15 17:21:42 / include include include include include include include include incl 阅读全文
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"传送门" A. Happy Birthday, Polycarp! 签到。 Code B. Make Them Odd 用一个set从大到小模拟一下这个过程即可。 Code C. As Simple as One and Two 题意: 给出一个串$s$,现在要删除最少的字符,使得串中不含$one 阅读全文
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"传送门" 感觉脑子还是转得太慢了QAQ,一些问题老是想得很慢。。。 A. Sweet Problem 签到。 Code B. PIN Codes 注意到$n$很小,不超过$10$,那么就直接暴力改变就行。 可以用一个$map$记录一下。 Code C. Everyone is a Winner! 阅读全文