Virtual contest is a way to take part in past contest, as close as possible to participation on time. It is supported only ICPC mode for virtual contests.
If you've seen these problems, a virtual contest is not for you - solve these problems in the archive.
If you just want to solve some problem from a contest, a virtual contest is not for you - solve this problem in the archive.
Never use someone else's code, read the tutorials or communicate with other person during a virtual contest.

No tag edit access

The problem statement has recently been changed. View the changes.

×
C. Alyona and Spreadsheet

time limit per test

1 secondmemory limit per test

256 megabytesinput

standard inputoutput

standard outputDuring the lesson small girl Alyona works with one famous spreadsheet computer program and learns how to edit tables.

Now she has a table filled with integers. The table consists of *n* rows and *m* columns. By *a*_{i, j} we will denote the integer located at the *i*-th row and the *j*-th column. We say that the table is sorted in non-decreasing order in the column *j* if *a*_{i, j} ≤ *a*_{i + 1, j} for all *i* from 1 to *n* - 1.

Teacher gave Alyona *k* tasks. For each of the tasks two integers *l* and *r* are given and Alyona has to answer the following question: if one keeps the rows from *l* to *r* inclusive and deletes all others, will the table be sorted in non-decreasing order in at least one column? Formally, does there exist such *j* that *a*_{i, j} ≤ *a*_{i + 1, j} for all *i* from *l* to *r* - 1 inclusive.

Alyona is too small to deal with this task and asks you to help!

Input

The first line of the input contains two positive integers *n* and *m* (1 ≤ *n*·*m* ≤ 100 000) — the number of rows and the number of columns in the table respectively. Note that your are given a constraint that bound the product of these two integers, i.e. the number of elements in the table.

Each of the following *n* lines contains *m* integers. The *j*-th integers in the *i* of these lines stands for *a*_{i, j} (1 ≤ *a*_{i, j} ≤ 10^{9}).

The next line of the input contains an integer *k* (1 ≤ *k* ≤ 100 000) — the number of task that teacher gave to Alyona.

The *i*-th of the next *k* lines contains two integers *l*_{i} and *r*_{i} (1 ≤ *l*_{i} ≤ *r*_{i} ≤ *n*).

Output

Print "Yes" to the *i*-th line of the output if the table consisting of rows from *l*_{i} to *r*_{i} inclusive is sorted in non-decreasing order in at least one column. Otherwise, print "No".

Example

Input

5 4

1 2 3 5

3 1 3 2

4 5 2 3

5 5 3 2

4 4 3 4

6

1 1

2 5

4 5

3 5

1 3

1 5

Output

Yes

No

Yes

Yes

Yes

No

Note

In the sample, the whole table is not sorted in any column. However, rows 1–3 are sorted in column 1, while rows 4–5 are sorted in column 3.

Codeforces (c) Copyright 2010-2022 Mike Mirzayanov

The only programming contests Web 2.0 platform

Server time: May/23/2022 10:56:40 (g2).

Desktop version, switch to mobile version.

Supported by

User lists

Name |
---|