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문제

Whiteking은 지역 꾸미기 게임을 하려고 한다. 그가 꾸미려는 지역은 단위 격자가 1 × 1 정사각형 타일로 표현되는 N × N 격자판 형태이며, 가장 왼쪽 위 타일의 좌표가 (1, 1)이고, 가장 오른쪽 아래 타일의 좌표는 (N, N)이다. 이 때 타일의 좌표란 타일의 오른쪽 아래 꼭짓점의 좌표를 말한다. 이로부터 (xy)에 위치한 타일은 [x-1x]×[y-1y]에 해당하는 정사각형 영역을 차지함을 알 수 있다. 각 타일은 고유한 아름다움 값을 가지는데, 초기에 모든 타일의 아름다움 값은 0이다.

지역 꾸미기 게임은 다음 세 가지 행동을 통해 점수를 얻는 게임이다.

  1. 가로 또는 세로로 직선을 그어 격자판을 서로 다른 구역으로 분할한다. 처음에는 N × N 크기의 구역 한 개만 존재하며, 만약 가로와 세로로 직선을 한 번씩 긋는다면 구역은 네 개로 나뉘어질 것이다.
  2. 타일을 하나 선택해 해당 타일이 속한 구역을 꾸민다. 이 결과 꾸며진 구역에 속한 모든 타일의 아름다움은 X만큼 증가한다.
  3. 격자판에 포함되는 직사각형을 하나 선택해 그 안에 속한 타일 중 가장 아름다운 타일의 아름다움만큼 점수를 획득한다.

Whiteking은 자신이 3번 행동을 할 때마다 얻게 될 점수를 미리 알고 싶다. 따라서 그는 자신이 할 행동을 다음과 같은 쿼리로 표현해 여러분에게 알려줄 것이다.

  • 1 a b : a가 0이면 x=b, a가 1이면 y=b로 표현되는 직선을 긋는다.
  • 2 a b X : (a, b)에 위치한 타일을 선택해 2번 행동을 한다.
  • 3 a b c d : 가장 왼쪽 위 타일의 좌표가 (a, b)이고 가장 오른쪽 아래 타일의 좌표가 (c, d)인 직사각형을 선택하여 3번 행동을 한다.

Whiteking을 위해 3번 쿼리가 주어질 때마다 얻을 수 있는 점수를 구해보자!

입력

첫째 줄에는 두 양의 정수 N, Q가 주어진다.

둘째 줄부터 Q개의 줄에는 쿼리가 한 줄에 하나씩 주어진다. 

출력

3번 쿼리가 들어올 때마다 그 시점에서 Whiteking이 얻을 수 있는 최대 점수를 출력해라. 

제한

  • 1 ≤ ≤ 100,000
  • 1 ≤ Q ≤ 300,000
  • 모든 1번 쿼리에 대하여 0 ≤ a ≤ 1, 1 ≤ b ≤ N-1
  • 모든 2번 쿼리에 대하여 1 ≤ a, bN, -109X ≤ 109
  • 모든 3번 쿼리에 대하여 1 ≤ acN, 1 ≤ bdN
  • 2번 쿼리는 최대 25,000번만 주어진다.
  • 3번 쿼리는 하나 이상 주어진다.

예제 입력 1

3 7
3 1 1 3 3
2 1 3 -3
3 1 1 3 3
1 0 1
2 1 1 4
3 2 2 3 3
3 1 1 3 3

예제 출력 1

0
-3
-3
1
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<em>N&nbsp;<\/em>&le; 100,000<\/li>\r\n\t<li>1 &le; <em>Q<\/em> &le; 300,000<\/li>\r\n\t<li>\ubaa8\ub4e0 1\ubc88 \ucffc\ub9ac\uc5d0 \ub300\ud558\uc5ec&nbsp;0 &le; <em>a<\/em> &le; 1, 1&nbsp;&le; <em>b<\/em> &le; N-1<\/li>\r\n\t<li>\ubaa8\ub4e0 2\ubc88 \ucffc\ub9ac\uc5d0 \ub300\ud558\uc5ec&nbsp;1 &le; <em>a<\/em>, <em>b<\/em> &le; <em>N<\/em>, -10<sup>9<\/sup> &le; <em>X<\/em> &le; 10<sup>9<\/sup><\/li>\r\n\t<li>\ubaa8\ub4e0 3\ubc88 \ucffc\ub9ac\uc5d0 \ub300\ud558\uc5ec&nbsp;1 &le; <em>a<\/em> &le; <em>c<\/em> &le; <em>N<\/em>, 1 &le; <em>b<\/em> &le; <em>d<\/em> &le; <em>N<\/em><\/li>\r\n\t<li>2\ubc88 \ucffc\ub9ac\ub294 \ucd5c\ub300 25,000\ubc88\ub9cc \uc8fc\uc5b4\uc9c4\ub2e4.<\/li>\r\n\t<li>3\ubc88 \ucffc\ub9ac\ub294 \ud558\ub098 \uc774\uc0c1 \uc8fc\uc5b4\uc9c4\ub2e4.<\/li>\r\n<\/ul>\r\n"},{"problem_id":"18943","problem_lang":"1","title":"Gardening Game","description":"<p>Whiteking is going to play a local decorating game. The area he wants to decorate is in the form of an $N \\times N$ grid in which the unit grid is represented by $1 \\times 1$ square tiles, the coordinates of the top left tile are $(1, 1)$, and the coordinates of the bottom right tile are $(N, N)$. Thus the coordinates of the tile refer to the coordinates of the lower right corner of the tile. From this, it can be seen that the tile located at $(x, y)$ occupies a square area corresponding to $[x-1, x] \\times [y-1, y]$. Each tile has its own beauty value, initially all tiles have a beauty value of $0$.<\/p>\r\n\r\n<p>The local decorating game is a game where the player earns points using the following three actions.<\/p>\r\n\r\n<ul>\r\n\t<li>Divide the grid into different zones by drawing a straight line horizontally or vertically. Initially, there is only one area of size $N \\times N$. The lines are infinite in both directions: for example, if you draw a straight line horizontally and another one vertically, the initial area will be divided into a total of four areas.<\/li>\r\n\t<li>Select a tile and decorate the area it belongs to. As a result, the beauty of all tiles in the decorated area is increased by a given value.<\/li>\r\n\t<li>Select a rectangle on the grid and earn points equal to the beauty of the most beautiful tile in it.<\/li>\r\n<\/ul>\r\n\r\n<p>Whiteking wants to know in advance how many points he will earn for every action of the third type. So he will show you an ordered list of actions he is going to perform. The actions will be given in the following format:<\/p>\r\n\r\n<ul>\r\n\t<li>&quot;<code>1<\/code> $a$ $b$&quot;: If $a$ is $0$, draw the straight line $x = b$, and if $a$ is $1$, draw $y = b$.<\/li>\r\n\t<li>&quot;<code>2<\/code> $a$ $b$ $X$&quot;: Select the tile located at $(a, b)$ decorate the area it belongs to, increasing the beauty of all tiles in it by $X$.<\/li>\r\n\t<li>&quot;<code>3<\/code> $a$ $b$ $c$ $d$&quot;: Select a rectangle with $(a, b)$ as the top left tile and $(c, d)$ as the bottom right tile, and earn points equal to the beauty of the most beautiful tile in it.<\/li>\r\n<\/ul>\r\n\r\n<p>Help Whiteking find what will be the score for every action of the third type.<\/p>\r\n","input":"<p>The first line contains two integers $N$ and $Q$ ($1 \\le N \\le 10^5$, $1 \\le Q \\le 3 \\cdot 10^5$).<\/p>\r\n\r\n<p>Each of the next $Q$ lines describes an action in the format shown in the problem statement.<\/p>\r\n\r\n<p>For an action of type <code>1<\/code>, $0 \\le a \\le 1$ and $1 \\le b \\le N - 1$.<\/p>\r\n\r\n<p>For an action of type <code>2<\/code>, $1 \\le a, b \\le N$ and $-10^9 \\le X \\le 10^9$.<\/p>\r\n\r\n<p>For an action of type <code>3<\/code>, $1 \\le a \\le c \\le N$ and $1 \\le b \\le d \\le N$.<\/p>\r\n\r\n<p>There are at most $25\\,000$ actions of type $2$, and at least $1$ action of type $3$.<\/p>\r\n","output":"<p>For every action of the third type, print the score that Whiteking will get for that action.<\/p>\r\n","hint":"","original":"0","html_title":"0","problem_lang_tcode":"English"}]

출처

Contest > BOJ User Contest > Semi-Game Cup > Semi-Game Cup G번

Camp > Petrozavodsk Programming Camp > Summer 2020 > Day 6: Korean Contest C번