시간 제한메모리 제한제출정답맞힌 사람정답 비율
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문제

정수 배열 A 와 B가 있다. A는 총 n개의 서로 다른 양의 정수를 포함하고 B는 총 m개의 서로 다른 양의 정수를 포함한다.

A, B를 이용해서 길이가 n인 새로운 배열 C를 만들어보자.

  • C[i] 는 배열 B에 있는 값 중 A[i] 에 가장 가까운 값 (절대값 차이가 가장 작은 값)으로 정의 된다. 
  • 만약 이 조건을 만족하는 값들이 여럿 있는 경우, 그 중 가장 크기가 작은 값으로 정의 된다.

예를 들어 A = [20, 5, 14, 9] 그리고 B = [16, 8, 12] 라고 해보자.

  • C[1] = 16 이다 - 왜냐하면 B[1] = 16이 A[1] = 20에 가장 가깝기 때문이다.
  • C[2] = 8 이다 - 왜냐하면 B[2] = 8이 A[2] = 5에 가장 가깝기 때문이다.
  • C[3] = 12 이다 - 왜냐하면 B[1] = 16 와 B[3] = 12 모두 A[3] = 14에 가장 가깝지만, B[3]의 값이 더 작기 때문이다.
  • C[4] = 8이다.

이 예제의 경우 C = [16, 8, 12, 8]으로 정의된다.

두 배열 A와 B가 주어졌을 때, 새로운 배열 C를 계산하여 배열 C에 포함된 값들의 합을 구하는 프로그램을 작성하시오.

입력

첫 줄에 테스트 케이스의 수 T (1 <= T <= 10)가 주어진다.

각 테스트 케이스는 세 줄에 걸쳐서 주어진다.

첫 줄에는 n과 m이 공백으로 구분되어 주어진다 (1 <= n, m <= 10^6).

두 번째 줄에는 공백으로 구분된 n개의 정수가 주어지며, A[1] 부터 A[n]을 나타낸다 (각각의 값은 1이상 10^9 이하이다).

세 번째 줄에는 공백으로 구분된 m개의 정수가 주어지며, B[1] 부터 B[m]을 나타낸다 (각각의 값은 1이상 10^9 이하이다).

앞서 언급한대로, A와 B는 각각 서로 다른 양의 정수들을 포함한 배열들이다.

출력

각 테스트 케이스에 대해 배열 C를 구하고 해당 배열의 모든 원소 합을 한 줄에 출력하시오.

예제 입력 1

3
4 3
20 5 14 9
16 8 12
3 4
16 8 12
20 5 14 9
3 3
1 2 3
2 3 4

예제 출력 1

44
37
7

힌트

첫 테스트 케이스는 문제에서 언급되었다.

두 번째 테스트 케이스의 경우 A = [16, 8, 12] 이고  B = [20, 5, 14, 9] 이다.

이 경우 배열 C는 [14, 9, 14] 이며 따라서 정답은 14+9+14 = 37이다.

세 번째 테스트의 경우 C = [2 2 3] 이며 정답은 7이다. 

[{"problem_id":"17124","problem_lang":"0","title":"\ub450 \uac1c\uc758 \ubc30\uc5f4","description":"<p>\uc815\uc218 \ubc30\uc5f4 A \uc640 B\uac00 \uc788\ub2e4. A\ub294 \ucd1d n\uac1c\uc758 \uc11c\ub85c \ub2e4\ub978 \uc591\uc758 \uc815\uc218\ub97c \ud3ec\ud568\ud558\uace0 B\ub294 \ucd1d m\uac1c\uc758 \uc11c\ub85c \ub2e4\ub978 \uc591\uc758 \uc815\uc218\ub97c \ud3ec\ud568\ud55c\ub2e4.<\/p>\r\n\r\n<p>A, B\ub97c \uc774\uc6a9\ud574\uc11c \uae38\uc774\uac00 n\uc778 \uc0c8\ub85c\uc6b4 \ubc30\uc5f4 C\ub97c \ub9cc\ub4e4\uc5b4\ubcf4\uc790.<\/p>\r\n\r\n<ul>\r\n\t<li>C[i] \ub294 \ubc30\uc5f4 B\uc5d0 \uc788\ub294 \uac12 \uc911 A[i] \uc5d0 \uac00\uc7a5 \uac00\uae4c\uc6b4 \uac12 (\uc808\ub300\uac12 \ucc28\uc774\uac00 \uac00\uc7a5 \uc791\uc740 \uac12)\uc73c\ub85c \uc815\uc758 \ub41c\ub2e4.&nbsp;<\/li>\r\n\t<li>\ub9cc\uc57d \uc774 \uc870\uac74\uc744 \ub9cc\uc871\ud558\ub294 \uac12\ub4e4\uc774 \uc5ec\ub7ff \uc788\ub294 \uacbd\uc6b0, \uadf8 \uc911 \uac00\uc7a5 \ud06c\uae30\uac00 \uc791\uc740 \uac12\uc73c\ub85c \uc815\uc758 \ub41c\ub2e4.<\/li>\r\n<\/ul>\r\n\r\n<p>\uc608\ub97c \ub4e4\uc5b4 A = [20, 5, 14, 9] \uadf8\ub9ac\uace0 B = [16, 8, 12] \ub77c\uace0 \ud574\ubcf4\uc790.<\/p>\r\n\r\n<ul>\r\n\t<li>C[1] = 16 \uc774\ub2e4 - \uc65c\ub0d0\ud558\uba74 B[1] = 16\uc774 A[1] = 20\uc5d0 \uac00\uc7a5 \uac00\uae5d\uae30 \ub54c\ubb38\uc774\ub2e4.<\/li>\r\n\t<li>C[2] = 8 \uc774\ub2e4 - \uc65c\ub0d0\ud558\uba74 B[2] = 8\uc774 A[2] = 5\uc5d0 \uac00\uc7a5 \uac00\uae5d\uae30 \ub54c\ubb38\uc774\ub2e4.<\/li>\r\n\t<li>C[3] = 12 \uc774\ub2e4 - \uc65c\ub0d0\ud558\uba74 B[1] = 16 \uc640 B[3] = 12 \ubaa8\ub450 A[3] = 14\uc5d0 \uac00\uc7a5 \uac00\uae5d\uc9c0\ub9cc, B[3]\uc758 \uac12\uc774 \ub354 \uc791\uae30 \ub54c\ubb38\uc774\ub2e4.<\/li>\r\n\t<li>C[4] = 8\uc774\ub2e4.<\/li>\r\n<\/ul>\r\n\r\n<p>\uc774 \uc608\uc81c\uc758 \uacbd\uc6b0 C = [16, 8, 12, 8]\uc73c\ub85c \uc815\uc758\ub41c\ub2e4.<\/p>\r\n\r\n<p>\ub450 \ubc30\uc5f4 A\uc640 B\uac00 \uc8fc\uc5b4\uc84c\uc744 \ub54c, \uc0c8\ub85c\uc6b4 \ubc30\uc5f4 C\ub97c \uacc4\uc0b0\ud558\uc5ec \ubc30\uc5f4 C\uc5d0 \ud3ec\ud568\ub41c \uac12\ub4e4\uc758 \ud569\uc744 \uad6c\ud558\ub294 \ud504\ub85c\uadf8\ub7a8\uc744 \uc791\uc131\ud558\uc2dc\uc624.<\/p>\r\n","input":"<p>\uccab \uc904\uc5d0 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\uc758 \uc218 T (1 &lt;= T &lt;= 10)\uac00 \uc8fc\uc5b4\uc9c4\ub2e4.<\/p>\r\n\r\n<p>\uac01 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\ub294 \uc138 \uc904\uc5d0 \uac78\uccd0\uc11c \uc8fc\uc5b4\uc9c4\ub2e4.<\/p>\r\n\r\n<p>\uccab \uc904\uc5d0\ub294 n\uacfc m\uc774 \uacf5\ubc31\uc73c\ub85c \uad6c\ubd84\ub418\uc5b4 \uc8fc\uc5b4\uc9c4\ub2e4 (1 &lt;= n, m &lt;= 10^6).<\/p>\r\n\r\n<p>\ub450 \ubc88\uc9f8 \uc904\uc5d0\ub294 \uacf5\ubc31\uc73c\ub85c \uad6c\ubd84\ub41c n\uac1c\uc758 \uc815\uc218\uac00 \uc8fc\uc5b4\uc9c0\uba70, A[1] \ubd80\ud130 A[n]\uc744 \ub098\ud0c0\ub0b8\ub2e4 (\uac01\uac01\uc758 \uac12\uc740 1\uc774\uc0c1 10^9 \uc774\ud558\uc774\ub2e4).<\/p>\r\n\r\n<p>\uc138 \ubc88\uc9f8 \uc904\uc5d0\ub294 \uacf5\ubc31\uc73c\ub85c \uad6c\ubd84\ub41c m\uac1c\uc758 \uc815\uc218\uac00 \uc8fc\uc5b4\uc9c0\uba70, B[1] \ubd80\ud130 B[m]\uc744 \ub098\ud0c0\ub0b8\ub2e4 (\uac01\uac01\uc758 \uac12\uc740 1\uc774\uc0c1 10^9 \uc774\ud558\uc774\ub2e4).<\/p>\r\n\r\n<p>\uc55e\uc11c \uc5b8\uae09\ud55c\ub300\ub85c, A\uc640 B\ub294 \uac01\uac01 \uc11c\ub85c \ub2e4\ub978 \uc591\uc758 \uc815\uc218\ub4e4\uc744 \ud3ec\ud568\ud55c \ubc30\uc5f4\ub4e4\uc774\ub2e4.<\/p>\r\n","output":"<p>\uac01 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\uc5d0 \ub300\ud574 \ubc30\uc5f4 C\ub97c \uad6c\ud558\uace0 \ud574\ub2f9 \ubc30\uc5f4\uc758 \ubaa8\ub4e0 \uc6d0\uc18c \ud569\uc744 \ud55c \uc904\uc5d0 \ucd9c\ub825\ud558\uc2dc\uc624.<\/p>\r\n","hint":"<p>\uccab \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\ub294 \ubb38\uc81c\uc5d0\uc11c \uc5b8\uae09\ub418\uc5c8\ub2e4.<\/p>\r\n\r\n<p>\ub450 \ubc88\uc9f8 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\uc758 \uacbd\uc6b0 A = [16, 8, 12] \uc774\uace0 &nbsp;B = [20, 5, 14, 9] \uc774\ub2e4.<\/p>\r\n\r\n<p>\uc774 \uacbd\uc6b0 \ubc30\uc5f4 C\ub294 [14, 9, 14] \uc774\uba70 \ub530\ub77c\uc11c \uc815\ub2f5\uc740 14+9+14 = 37\uc774\ub2e4.<\/p>\r\n\r\n<p>\uc138 \ubc88\uc9f8 \ud14c\uc2a4\ud2b8\uc758 \uacbd\uc6b0 C = [2 2 3] \uc774\uba70 \uc815\ub2f5\uc740 7\uc774\ub2e4.&nbsp;<\/p>\r\n","original":"1","html_title":"0","problem_lang_tcode":"Korean"},{"problem_id":"17124","problem_lang":"1","title":"Two Arrays","description":"<p>There are two arrays, A and B, each containing distinct positive integers with length n and m respectively.<\/p>\r\n\r\n<p>Our goal is to construct array C, with length n, as follows:<\/p>\r\n\r\n<p>For each i, C[i] is an element of B that is closest to A[i] (in absolute difference)<\/p>\r\n\r\n<p>If there are multiple possible values, choose the smallest one.<\/p>\r\n\r\n<p>For instance, consider A = [20, 5, 14, 9] and B = [16, 8, 12],<\/p>\r\n\r\n<ul>\r\n\t<li>C[1] = 16 because B[1] = 16 is closest to A[1] = 20.<\/li>\r\n\t<li>C[2] = 8 because B[2] = 8 is closest to A[2] = 5.<\/li>\r\n\t<li>C[3] = 12 because both B[1] = 16 and B[3] = 12 are equally close to A[3] = 14, but B[3] is smaller.<\/li>\r\n\t<li>C[4] = 8.<\/li>\r\n<\/ul>\r\n\r\n<p>Hence in this case we have C = [16, 8, 12, 8].<\/p>\r\n\r\n<p>Given two arrays A and B, construct an array C as above, and output the sum of all elements in C.<\/p>\r\n","input":"<p>The first line will contain the number of test case T (1 &lt;= T &lt;= 10).<\/p>\r\n\r\n<p>A single test case consists of three lines:<\/p>\r\n\r\n<p>The first line will contain two integers n and m (1 &lt;= n, m &lt;= 10^6).<\/p>\r\n\r\n<p>The second line will contain n integers (delimited by whitespace) representing A[1] to A[n] (between 1 and 10^9, inclusive).<\/p>\r\n\r\n<p>The third line will contain m integers (delimited by whitespace) representing B[1] to B[m] (between 1 and 10^9, inclusive).<\/p>\r\n\r\n<p>Recall that A contains distinct integers and B contains distinct integers.<\/p>\r\n","output":"<p>For each test case, compute the array C and output the sum of elements in C.<\/p>\r\n","hint":"<p>The first case was explained in the problem statement.<\/p>\r\n\r\n<p>In the second case, we have A = [16, 8, 12] and B = [20, 5, 14, 9]. C is then [14, 9, 14] and therefore the answer is 37.<\/p>\r\n\r\n<p>For the third case, we have C = [2 2 3] and the answer is 7.<\/p>\r\n","original":"0","html_title":"0","problem_lang_tcode":"English"}]