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문제

큐에 들어있는 아이템과 큐 연산이 주어진다. 연산을 모두 수행한 이후에 큐에 들어있는 아이템을 구하는 프로그램을 작성하시오.

큐 연산은 다음과 같은 형식이다.

  • 시작 위치 to 이동할 위치

즉, 시작 위치에 있는 아이템을 이동할 위치로 옮기는 연산이다.

예를 들어, 큐에 들어있는 아이템이 다음과 같은 경우를 생각해보자.

Item1 Item2 Item3 Item4 Item5

Item1의 위치가 1번 위치, Item2의 위치가 2번 위치 이다.

5 to 2 연산을 수행한 후의 큐는 다음과 같다.

Item1 Item5 Item2 Item3 Item4

큐 연산 여러 개를 동시에 수행할 수도 있다. 예를 들어, 큐의 내용이 다음과 같을 때

Item1 Item2 Item3 Item4 Item5 Item6 Item7 Item8

다음과 같연 연산을 수행하면

2 to 6; 6 to 3; 4 to 5; 5 to 2; 7 to 4; 8 to 1

큐는 다음과 같이 된다.

Item8 Item5 Item6 Item7 Item4 Item2 Item1 Item3

큐 연산에 포함되지 않는 아이템은 모두 순서를 유지하고, 빈 위치로 이동하게 된다. 서로 다른 두 개의 큐 연산에 대해 시작 위치가 같거나, 이동할 위치가 같은 경우는 없다.

입력

첫째 줄에 테스트 케이스의 개수가 주어진다. 각 테스트 케이스의 첫째 줄에는 아이템의 수 m과 큐 연산의 수 n이 주어진다. (1 ≤ m, n ≤ 20) 둘째 줄에는 큐에 들어있는 아이템의 이름이 주어진다. 이름은 알파벳과 숫자로 이루어져 있으며, 길이는 최대 8이다. 두 아이템의 이름이 같은 경우는 없다. 다음 n개 줄에는 큐 연산이 한 줄에 하나씩 주어진다.

출력

각 테스트 케이스마다, 입력으로 주어진 연산을 모두 수행한 뒤에 큐에 들어있는 원소를 출력한다.

예제 입력 1

3
5 1
alpha beta gamma delta epsilon
5 2
8 6
a b c d e f g h
2 6
6 3
4 5
5 2
7 4
8 1
3 2
foo bar baz
3 1
1 3

예제 출력 1

alpha epsilon beta gamma delta
h e f g d b a c
baz bar foo
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(1 &le; m, n &le; 20) \ub458\uc9f8 \uc904\uc5d0\ub294 \ud050\uc5d0 \ub4e4\uc5b4\uc788\ub294 \uc544\uc774\ud15c\uc758 \uc774\ub984\uc774 \uc8fc\uc5b4\uc9c4\ub2e4. \uc774\ub984\uc740 \uc54c\ud30c\ubcb3\uacfc \uc22b\uc790\ub85c \uc774\ub8e8\uc5b4\uc838 \uc788\uc73c\uba70, \uae38\uc774\ub294 \ucd5c\ub300 8\uc774\ub2e4. \ub450 \uc544\uc774\ud15c\uc758 \uc774\ub984\uc774 \uac19\uc740 \uacbd\uc6b0\ub294 \uc5c6\ub2e4. \ub2e4\uc74c n\uac1c \uc904\uc5d0\ub294 \ud050 \uc5f0\uc0b0\uc774 \ud55c \uc904\uc5d0 \ud558\ub098\uc529 \uc8fc\uc5b4\uc9c4\ub2e4.<\/p>\r\n","output":"<p>\uac01 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\ub9c8\ub2e4, \uc785\ub825\uc73c\ub85c \uc8fc\uc5b4\uc9c4 \uc5f0\uc0b0\uc744 \ubaa8\ub450 \uc218\ud589\ud55c \ub4a4\uc5d0 \ud050\uc5d0 \ub4e4\uc5b4\uc788\ub294 \uc6d0\uc18c\ub97c \ucd9c\ub825\ud55c\ub2e4.<\/p>\r\n","hint":"","original":"0","problem_lang_code":"\ud55c\uad6d\uc5b4"},{"problem_id":"4540","problem_lang":"1","title":"Q","description":"<p>You&#39;ve got a queue. And you just got to mess with it.&nbsp;<\/p>\r\n\r\n<p>Given a queue of items and a series of queue operations, return the resulting queue.&nbsp;<\/p>\r\n\r\n<p>Queue operations are defined as follows:&nbsp;<\/p>\r\n\r\n<p>starting-position to requested-position<\/p>\r\n\r\n<p>meaning one wants the item at the starting position to be moved to the requested position. So if the queue of items were:&nbsp;<\/p>\r\n\r\n<p>Item1 Item2 Item3 Item4 Item5<\/p>\r\n\r\n<p>(Item1 being in position 1, Item2 in position 2, etc.)&nbsp;<\/p>\r\n\r\n<p>after applying the queue operation:&nbsp;<\/p>\r\n\r\n<p>5 to 2&nbsp;<\/p>\r\n\r\n<p>the resulting queue would be:&nbsp;<\/p>\r\n\r\n<p>Item1 Item5 Item2 Item3 Item4<\/p>\r\n\r\n<p>as Item5 (the item in position 5) was moved to position 2. Multiple queue operations are applied at the same time, however; e.g., given the queue of items:&nbsp;<\/p>\r\n\r\n<p>Item1 Item2 Item3 Item4 Item5 Item6 Item7 Item8<\/p>\r\n\r\n<p>If the following queue operations were applied:&nbsp;<\/p>\r\n\r\n<p>2 to 6; 6 to 3; 4 to 5; 5 to 2; 7 to 4; 8 to 1<\/p>\r\n\r\n<p>then the resulting queue would be:&nbsp;<\/p>\r\n\r\n<p>Item8 Item5 Item6 Item7 Item4 Item2 Item1 Item3<\/p>\r\n\r\n<p>As you can see, the queue operations are strictly enforced, with other items (not involved in queue operations) maintaining their order and moving to vacant positions in the queue. Note that no two queue operations will have the same starting-position or same requested-position defined.&nbsp;<\/p>\r\n","input":"<p>Input to this problem will begin with a line containing a single integer x indicating the number of datasets. Each data set consists of three components:<\/p>\r\n\r\n<ol>\r\n\t<li>Start line &ndash; A single line, &quot;m n&quot; (1 &lt;= m, n &lt;= 20) where m indicates the number of items in the queue and n indicates the number of queue operations.<\/li>\r\n\t<li>Queue items &ndash; A line of short (between 1 and 8 characters) alphanumeric names for the items in the queue. Names are unique for a given data set and contain no whitespace.<\/li>\r\n\t<li>Queue operations &ndash; n lines of queue operations in the format &quot;starting-position requested-position&quot;.<\/li>\r\n<\/ol>\r\n","output":"<p>For each dataset, output the queue after the queue operations have been applied. Print the elements of the queue on a single line, starting from the first and ending with the last, with a single space separating each item.&nbsp;<\/p>\r\n","hint":"","original":"1","problem_lang_code":"\uc601\uc5b4"}]