Codeforces Round 418 (Div. 2)
A
An abandoned sentiment from past
Codeforces
900
原题
←B →
翻译中…

A few years ago, Hitagi encountered a giant crab, who stole the whole of her body weight. Ever since, she tried to avoid contact with others, for fear that this secret might be noticed.

翻译中…

To get rid of the oddity and recover her weight, a special integer sequence is needed. Hitagi's sequence has been broken for a long time, but now Kaiki provides an opportunity.

翻译中…

Hitagi's sequence $*a*$ has a length of $*n*$. Lost elements in it are denoted by zeros. Kaiki provides another sequence $*b*$, whose length $*k*$ equals the number of lost elements in $*a*$ (i.e. the number of zeros). Hitagi is to replace each zero in $*a*$ with an element from $*b*$ so that each element in $*b*$ should be used exactly once. Hitagi knows, however, that, apart from $0$, no integer occurs in $*a*$ and $*b*$ more than once in total.

翻译中…

If the resulting sequence is not an increasing sequence, then it has the power to recover Hitagi from the oddity. You are to determine whether this is possible, or Kaiki's sequence is just another fake. In other words, you should detect whether it is possible to replace each zero in $*a*$ with an integer from $*b*$ so that each integer from $*b*$ is used exactly once, and the resulting sequence is not increasing.

翻译中…

Input

翻译中…

The first line of input contains two space-separated positive integers $*n*$ ($2 ≤ *n* ≤ 100$) and $*k*$ ($1 ≤ *k* ≤ *n*$) — the lengths of sequence $*a*$ and $*b*$ respectively.

翻译中…

The second line contains $*n*$ space-separated integers $*a*_{1}, *a*_{2}, ..., *a*_{*n*}$ ($0 ≤ *a*_{*i*} ≤ 200$) — Hitagi's broken sequence with exactly $*k*$ zero elements.

翻译中…

The third line contains $*k*$ space-separated integers $*b*_{1}, *b*_{2}, ..., *b*_{*k*}$ ($1 ≤ *b*_{*i*} ≤ 200$) — the elements to fill into Hitagi's sequence.

翻译中…

Input guarantees that apart from $0$, no integer occurs in $*a*$ and $*b*$ more than once in total.

翻译中…

Output

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Output "Yes" if it's possible to replace zeros in $*a*$ with elements in $*b*$ and make the resulting sequence not increasing, and "No" otherwise.

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Note

翻译中…

In the first sample:

翻译中…
  • Sequence $*a*$ is $11, 0, 0, 14$.
  • Two of the elements are lost, and the candidates in $*b*$ are $5$ and $4$.
  • There are two possible resulting sequences: $11, 5, 4, 14$ and $11, 4, 5, 14$, both of which fulfill the requirements. Thus the answer is "Yes".
翻译中…

In the second sample, the only possible resulting sequence is $2, 3, 5, 8, 9, 10$, which is an increasing sequence and therefore invalid.

翻译中…

样例

Input #1
4 2
11 0 0 14
5 4
Output #1
Yes
InputCopy OutputCopy
Input #2
6 1
2 3 0 8 9 10
5
Output #2
No
InputCopy OutputCopy
Input #3
4 1
8 94 0 4
89
Output #3
Yes
InputCopy OutputCopy
Input #4
7 7
0 0 0 0 0 0 0
1 2 3 4 5 6 7
Output #4
Yes
InputCopy OutputCopy
题目信息
题号
814A
时间限制
1 s
内存限制
256 MB
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