Repetition

[AGC020D] Min Max Repetition

牛子题 优先满足第二个条件,长度是 \(\lceil \frac{max(A,B)}{min(A,B)+1}\rceil\) ,那么现在要满足字典序最小,发现先填 \(A..ABA..ABA..AB..\) ,中途可能 \(B>>A\) 就填不满 ,就要改变策略,变成 \(B..BAB..BA... ......
Repetition 020D AGC 020 Min

CF1863C MEX Repetition

## 思路 乍一看,感觉无从下手,于是就先列举了几个例子: ``` 02 10 21 02 013 201 320 132 013 12345 01234 50123 45012 34501 23450 12345 ``` 容易发现周期是 $n+1$,下面解释理由: 首先因为数量 $n$,且两两各不 ......
Repetition 1863C 1863 MEX CF

C. MEX Repetition

C. MEX Repetition You are given an array $a_1,a_2,\ldots, a_n$ of pairwise distinct integers from $0$ to $n$. Consider the following operation: consec ......
Repetition MEX
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