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31218번 - 자료 구조의 왕 다국어

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문제

흐즈로는 어느 날 집 주변 잔디밭에 무성히 자란 잔디를 보고, 새로 산 잔디깎이 로봇의 성능을 시험해 보기로 했습니다. 잔디밭은 $n$개의 행과 $m$개의 열을 가진 2차원 격자로 구성되어 있으며, 그 중 $r$번째 행의 $c$번째 열에 해당하는 칸을 $(r,c)$로 표기합니다. 초기에 잔디밭의 모든 칸에는 잔디가 있습니다.

잔디깎이 로봇에 네 정수 $d_y,ドル $d_x,ドル $y,ドル $x$를 입력하면, 초기에 $(y,x)$ 에서 출발하여 $\langle d_y,d_x \rangle$ 방향으로 이동하도록 설정됩니다. 이때 $|d_y|+|d_x|=1$이 항상 성립해야 합니다. 다시 말해, 잔디깎이 로봇은 항상 일정한 방향을 따라 이동하며, 상하좌우로 인접한 칸으로만 이동합니다. 잔디깎이 로봇은 다음과 같이 작동합니다.

  1. $(y,x)$에 잔디가 없다면 잔디 깎기를 종료합니다.
  2. $(y,x)$에 있는 잔디를 제거합니다.
  3. 조건 $y+d_y<1,ドル $y+d_y>n,ドル $x+d_x<1,ドル $x+d_x>m$ 중 하나 이상이 참이라면 잔디 깎기를 종료합니다.
  4. $(y, x)$를 $(y+d_y, x+d_x)$로 변경한 뒤, 1번으로 돌아갑니다.

흐즈로는 성능 시험의 일환으로 다음과 같은 쿼리 $Q$개에 대한 답을 찾아야 합니다.

  • 1ドル \ d_y \ d_x \ y \ x$: 방향이 $\langle d_y,d_x \rangle$로 설정된 잔디깎이 로봇을 $(y,x)$에서 출발시킨 뒤, 해당 잔디깎이 로봇의 잔디 깎기가 끝날 때까지 대기합니다.
  • 2ドル \ y \ x$: 쿼리가 들어오기 전 시작한 잔디 깎기가 순서대로 끝나고 난 뒤 $(y,x)$의 상태를 출력합니다. $(y,x)$에 잔디가 있다면 상태는 0ドル,ドル 잔디가 없다면 상태는 1ドル$입니다.
  • 3ドル$: 잔디밭에 잔디가 남아있는 칸의 개수를 출력합니다.

모든 쿼리에 대해 정확한 답을 알지 못하면 잔디깎이 로봇이 제대로 작동하는지 확인할 수 없습니다. 주어진 $Q$개의 쿼리에 대해 정확히 대답하는 프로그램을 작성해 주세요.

입력

첫 번째 줄에 행의 개수 $n,ドル 열의 개수 $m,ドル 쿼리의 개수 $Q$가 공백으로 분리되어 주어집니다. (1ドル \le n,m \le 1000,ドル 1ドル \le Q \le 2\times 10^5$)

두 번째 줄부터 $Q$개의 줄에 걸쳐 쿼리가 한 줄에 하나씩 주어집니다. 모든 쿼리는 본문에서 주어진 종류 중 하나입니다.

모든 쿼리에 대해 1ドル \le y \le n,ドル 1ドル \le x \le m$이며, 모든 1ドル$번 쿼리에 대해 $|d_y|+|d_x|=1$입니다.

출력

모든 2ドル,ドル 3ドル$번 쿼리에 대해 정답을 한 줄에 하나씩 출력합니다.

제한

예제 입력 1

3 3 8
3
2 2 2
1 1 0 1 2
1 0 -1 3 3
2 2 2
2 3 3
2 3 1
3

예제 출력 1

9
0
1
1
0
5

힌트

[{"problem_id":"31218","problem_lang":"0","title":"\uc790\ub8cc \uad6c\uc870\uc758 \uc655","description":"<p>\ud750\uc988\ub85c\ub294 \uc5b4\ub290 \ub0a0 \uc9d1 \uc8fc\ubcc0 \uc794\ub514\ubc2d\uc5d0 \ubb34\uc131\ud788 \uc790\ub780 \uc794\ub514\ub97c \ubcf4\uace0, \uc0c8\ub85c \uc0b0 \uc794\ub514\uae4e\uc774 \ub85c\ubd07\uc758 \uc131\ub2a5\uc744 \uc2dc\ud5d8\ud574 \ubcf4\uae30\ub85c \ud588\uc2b5\ub2c8\ub2e4. \uc794\ub514\ubc2d\uc740 $n$\uac1c\uc758 \ud589\uacfc $m$\uac1c\uc758 \uc5f4\uc744 \uac00\uc9c4 2\ucc28\uc6d0 \uaca9\uc790\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc73c\uba70, \uadf8 \uc911 $r$\ubc88\uc9f8 \ud589\uc758 $c$\ubc88\uc9f8 \uc5f4\uc5d0 \ud574\ub2f9\ud558\ub294 \uce78\uc744 $(r,c)$\ub85c \ud45c\uae30\ud569\ub2c8\ub2e4. \ucd08\uae30\uc5d0 \uc794\ub514\ubc2d\uc758 \ubaa8\ub4e0 \uce78\uc5d0\ub294 \uc794\ub514\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\r\n\r\n<p>\uc794\ub514\uae4e\uc774 \ub85c\ubd07\uc5d0 \ub124 \uc815\uc218 $d_y$, $d_x$, $y$, $x$\ub97c \uc785\ub825\ud558\uba74, \ucd08\uae30\uc5d0 $(y,x)$ \uc5d0\uc11c \ucd9c\ubc1c\ud558\uc5ec $\\langle d_y,d_x \\rangle$ \ubc29\ud5a5\uc73c\ub85c \uc774\ub3d9\ud558\ub3c4\ub85d \uc124\uc815\ub429\ub2c8\ub2e4. \uc774\ub54c $|d_y|+|d_x|=1$\uc774 \ud56d\uc0c1 \uc131\ub9bd\ud574\uc57c \ud569\ub2c8\ub2e4. \ub2e4\uc2dc \ub9d0\ud574, \uc794\ub514\uae4e\uc774 \ub85c\ubd07\uc740 \ud56d\uc0c1 \uc77c\uc815\ud55c \ubc29\ud5a5\uc744 \ub530\ub77c \uc774\ub3d9\ud558\uba70, \uc0c1\ud558\uc88c\uc6b0\ub85c \uc778\uc811\ud55c \uce78\uc73c\ub85c\ub9cc \uc774\ub3d9\ud569\ub2c8\ub2e4. \uc794\ub514\uae4e\uc774 \ub85c\ubd07\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/p>\r\n\r\n<ol>\r\n\t<li>$(y,x)$\uc5d0 \uc794\ub514\uac00 \uc5c6\ub2e4\uba74 \uc794\ub514 \uae4e\uae30\ub97c \uc885\ub8cc\ud569\ub2c8\ub2e4.<\/li>\r\n\t<li>$(y,x)$\uc5d0 \uc788\ub294 \uc794\ub514\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4.<\/li>\r\n\t<li>\uc870\uac74 $y+d_y&lt;1$, $y+d_y&gt;n$, $x+d_x&lt;1$, $x+d_x&gt;m$ \uc911 \ud558\ub098 \uc774\uc0c1\uc774 \ucc38\uc774\ub77c\uba74 \uc794\ub514 \uae4e\uae30\ub97c \uc885\ub8cc\ud569\ub2c8\ub2e4.<\/li>\r\n\t<li>$(y, x)$\ub97c $(y+d_y, x+d_x)$\ub85c \ubcc0\uacbd\ud55c \ub4a4, 1\ubc88\uc73c\ub85c \ub3cc\uc544\uac11\ub2c8\ub2e4.<\/li>\r\n<\/ol>\r\n\r\n<p>\ud750\uc988\ub85c\ub294 \uc131\ub2a5 \uc2dc\ud5d8\uc758 \uc77c\ud658\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \ucffc\ub9ac $Q$\uac1c\uc5d0 \ub300\ud55c \ub2f5\uc744 \ucc3e\uc544\uc57c \ud569\ub2c8\ub2e4.<\/p>\r\n\r\n<ul>\r\n\t<li>$1 \\ d_y \\ d_x \\ y \\ x$: \ubc29\ud5a5\uc774 $\\langle d_y,d_x \\rangle$\ub85c \uc124\uc815\ub41c \uc794\ub514\uae4e\uc774 \ub85c\ubd07\uc744 $(y,x)$\uc5d0\uc11c \ucd9c\ubc1c\uc2dc\ud0a8 \ub4a4, \ud574\ub2f9 \uc794\ub514\uae4e\uc774 \ub85c\ubd07\uc758 \uc794\ub514 \uae4e\uae30\uac00 \ub05d\ub0a0 \ub54c\uae4c\uc9c0 \ub300\uae30\ud569\ub2c8\ub2e4.<\/li>\r\n\t<li>$2 \\ y \\ x$: \ucffc\ub9ac\uac00 \ub4e4\uc5b4\uc624\uae30 \uc804 \uc2dc\uc791\ud55c \uc794\ub514 \uae4e\uae30\uac00 <strong>\uc21c\uc11c\ub300\ub85c<\/strong> \ub05d\ub098\uace0 \ub09c \ub4a4 $(y,x)$\uc758 \uc0c1\ud0dc\ub97c \ucd9c\ub825\ud569\ub2c8\ub2e4. $(y,x)$\uc5d0 \uc794\ub514\uac00 \uc788\ub2e4\uba74 \uc0c1\ud0dc\ub294 $0$, \uc794\ub514\uac00 \uc5c6\ub2e4\uba74 \uc0c1\ud0dc\ub294 $1$\uc785\ub2c8\ub2e4.<\/li>\r\n\t<li>$3$: \uc794\ub514\ubc2d\uc5d0 \uc794\ub514\uac00 \ub0a8\uc544\uc788\ub294 \uce78\uc758 \uac1c\uc218\ub97c \ucd9c\ub825\ud569\ub2c8\ub2e4.<\/li>\r\n<\/ul>\r\n\r\n<p>\ubaa8\ub4e0 \ucffc\ub9ac\uc5d0 \ub300\ud574 \uc815\ud655\ud55c \ub2f5\uc744 \uc54c\uc9c0 \ubabb\ud558\uba74 \uc794\ub514\uae4e\uc774 \ub85c\ubd07\uc774 \uc81c\ub300\ub85c \uc791\ub3d9\ud558\ub294\uc9c0 \ud655\uc778\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc8fc\uc5b4\uc9c4 $Q$\uac1c\uc758 \ucffc\ub9ac\uc5d0 \ub300\ud574 \uc815\ud655\ud788 \ub300\ub2f5\ud558\ub294 \ud504\ub85c\uadf8\ub7a8\uc744 \uc791\uc131\ud574 \uc8fc\uc138\uc694.<\/p>\r\n","input":"<p>\uccab \ubc88\uc9f8 \uc904\uc5d0 \ud589\uc758 \uac1c\uc218 $n$, \uc5f4\uc758 \uac1c\uc218 $m$, \ucffc\ub9ac\uc758 \uac1c\uc218 $Q$\uac00 \uacf5\ubc31\uc73c\ub85c \ubd84\ub9ac\ub418\uc5b4 \uc8fc\uc5b4\uc9d1\ub2c8\ub2e4. ($1 \\le n,m \\le 1000$, $1 \\le Q \\le 2\\times 10^5$)<\/p>\r\n\r\n<p>\ub450 \ubc88\uc9f8 \uc904\ubd80\ud130 $Q$\uac1c\uc758 \uc904\uc5d0 \uac78\uccd0 \ucffc\ub9ac\uac00 \ud55c \uc904\uc5d0 \ud558\ub098\uc529 \uc8fc\uc5b4\uc9d1\ub2c8\ub2e4. \ubaa8\ub4e0 \ucffc\ub9ac\ub294 \ubcf8\ubb38\uc5d0\uc11c \uc8fc\uc5b4\uc9c4 \uc885\ub958 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\r\n\r\n<p>\ubaa8\ub4e0 \ucffc\ub9ac\uc5d0 \ub300\ud574 $1 \\le y \\le n$, $1 \\le x \\le m$\uc774\uba70, \ubaa8\ub4e0 $1$\ubc88 \ucffc\ub9ac\uc5d0 \ub300\ud574 $|d_y|+|d_x|=1$\uc785\ub2c8\ub2e4.<\/p>\r\n","output":"<p>\ubaa8\ub4e0 $2$, $3$\ubc88 \ucffc\ub9ac\uc5d0 \ub300\ud574 \uc815\ub2f5\uc744 \ud55c \uc904\uc5d0 \ud558\ub098\uc529 \ucd9c\ub825\ud569\ub2c8\ub2e4.<\/p>\r\n","hint":"","original":"1","html_title":"0","problem_lang_tcode":"Korean"},{"problem_id":"31218","problem_lang":"1","title":"King of Data Structures","description":"<p>One day, looking at the tall grass grown all around the lawn, Chromate decided to test his new lawn mower robot there. The lawn consists of a&nbsp;2-dimensional grid with $n$ rows and $m$ columns. The cell on the $c$-th column of the $r$-th row is denoted as $(r,c)$. Initially every cell contains grass.<\/p>\r\n\r\n<p>When one gives four integers $d_y$, $d_x$, $y$, $x$ to the lawn mower robot, it is set to start from the cell $(y,x)$ and move towards $\\langle d_y,d_x \\rangle$. Here, $|d_y|+|d_x|=1$ must always hold. In other words, the lawn mower robot always moves towards the same direction, and only moves towards a cell adjacent to the current cell either vertically or horizontally. The lawn mower robot works by following the process explained below.<\/p>\r\n\r\n<ol>\r\n\t<li>Terminate if there is no grass at $(y,x)$.<\/li>\r\n\t<li>Remove the grass on the cell $(y,x)$.<\/li>\r\n\t<li>Terminate if any of $y+d_y&lt;1$, $y+d_y&gt;n$, $x+d_x&lt;1$, $x+d_x&gt;m$ holds.<\/li>\r\n\t<li>Change $y$ to $y+d_y$ and $x$ to $x+d_x$. Then, return to the first step.<\/li>\r\n<\/ol>\r\n\r\n<p>Chromate needs the answers to $Q$ queries of the following kind to verify the lawn mower robot&#39;s performance.<\/p>\r\n\r\n<ul>\r\n\t<li>$1 \\ d_y \\ d_x \\ y \\ x$: Start the lawn mower robot from $(y,x)$ with direction $\\langle d_y,d_x \\rangle$. Then, wait until the process terminates.<\/li>\r\n\t<li>$2 \\ y \\ x$: Output the state of the cell $(y,x)$ after every lawn mowing process before the current query has finished running <strong>sequentially<\/strong>.&nbsp;If there is grass on $(y,x)$ the state is $0$. Otherwise the state is $1$.<\/li>\r\n\t<li>$3$: Output how many cells have grass on it.<\/li>\r\n<\/ul>\r\n\r\n<p>If Chromate do not know the correct answer to each query, he cannot verify if the lawn mower robot is working properly. Please write a program to answer the $Q$ queries correctly.<\/p>\r\n","input":"<p>The first line contains&nbsp;three integers $n$, $m$, and $Q$, corresponding to the number of rows, columns, and queries. ($1 \\le n,m \\le 1000$, $1 \\le Q \\le 2 \\times 10^5$)<\/p>\r\n\r\n<p>The following $Q$ lines contain one query on each line. It is guaranteed that each query is one of the types given above.<\/p>\r\n\r\n<p>It is guaranteed that $1 \\le y \\le n$ and $1 \\le x \\le m$ hold for every query, and $|d_y|+|d_x|=1$ holds for each query of type $1$.<\/p>\r\n","output":"<p>Output the answer for each query of type $2$ or $3$ on a separate line.<\/p>\r\n","hint":"","original":"0","html_title":"0","problem_lang_tcode":"English"}]

출처

Contest > BOJ User Contest > 흐즈로컵 > 제3회 흐즈로컵 (The 3rd Chromate Cup) Algorithm Division D번

(追記) (追記ここまで)

출처

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