시간 제한메모리 제한제출정답맞힌 사람정답 비율
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문제

세 어린이 Alice, Bob, Chris는 정수 배열을 이용한 놀이를 즐겨한다.

먼저 길이가 n인 정수배열 V를 고른다 (V[i]는 i번째 원소이며 i = 1, 2, ..., n이다). 1 ≤ i ≤ j ≤ n인 인덱스 i, j에 대해 V[i, j]는 V의 i번째부터 j번째 원소까지를 포함한 길이 (j-i+1)인 부분배열로 정의한다.

다음으로 세 개의 정수 a, b, c를 고르는데 이는 앞으로 세 어린이가 고를 부분배열의 길이를 나타낸다. Alice는 길이가 a인 V의 부분 배열을 고르고 (해당 부분 배열을 A라 하자), Bob은 길이가 b인 부분 배열을 고르고 (이를 B라 하자), Chris는 길이가 c인 부분 배열을 고른다 (이를 C라 하자). 단, 이 세 부분 배열은 공통된 원소를 포함해서는 안된다 (즉, 세 부분 배열이 겹치도록 고를 수 없다).

예를 들어 V = [2, 0, -2, -2] 이고 a = 2, b = 1, c = 1 이라면 A = V[1, 2], B = V[3, 3], C = V[4, 4]가 되도록 고르는 것은 괜찮지만, A = V[1, 2], B = V[2, 2], C = V[1, 1] 로 고를 수는 없다 (후자의 경우 A와 B가 두 번째 원소인 V[2]를 공통으로 포함하고, A와 C는 첫 번째 원소인 V[1]를 공통으로 포함한다).

세 어린이는 각자 자신이 고른 부분 배열의 원소를 모두 더한 후, 이렇게 얻어진 세 개의 정수를 (각 부분 배열의 원소 총합을 SA, SB, SC라 하자) 모두 곱하여 최종 점수를 구한다 -- 즉 SA × SB × SC가 최종 점수가 된다.

앞선 예제에서 A = V[1, 2], B = V[3, 3], C = V[4, 4] 를 골랐다면 SA = 2+0 = 2, SB = -2, SC = -2가 되고, SA × SB × SC = 8이 된다. 만약 A = V[1, 2], B = V[4, 4], C = V[3, 3]을 고르더라도 결과는 같다. 하지만 A = V[3, 4], B = V[1, 1], C = V[2, 2]를 고른다면 SA = -4, SB = 2, SC = 0이 되어 최종 점수는 0이 된다. 이 예제에서 세 어린이가 달성할 수 있는 최종 점수의 최댓값은 8이다.

입력으로 V, n, a, b, c가 주어졌을 때, 세 어린이가 협동하여 얻을 수 있는 최종 점수의 최댓값을 구해보자.

입력

입력 첫 줄에 테스트 케이스의 수 T가 주어진다.

각 테스트 케이스는 두 줄에 걸쳐 주어지며 첫 줄에 n, a, b, c가 공백으로 구분되어 주어진다. 둘째 줄에는 배열 V의 원소인 n개의 정수가 공백으로 구분되어 주어진다.

출력

각 테스트 케이스의 정답을 각 줄에 출력한다.

제한

  • 1 ≤ T ≤ 10
  • 3 ≤ n ≤ 100,000
  • 1 ≤ a, b, c ≤ n-2
  • a + b + c ≤ n
  • -106 ≤ V[i] ≤ 106 (i = 1, 2, ..., n)
  • V의 부분 배열 중 길이가 a 혹은 b 혹은 c인 모든 부분 배열에 대하여 해당 부분 배열의 원소 총합의 절댓값은 106을 초과하지 않는다. 따라서 모든 테스트 케이스의 정답은 -1018 이상 1018 이하임이 보장된다.

예제 입력 1

5
4 2 1 1
2 0 -2 -2
6 1 1 1
2 -2 -3 3 1 -1
7 2 2 2
0 1 -2 3 -4 5 -6
8 2 2 2
1 -1 1 -1 1 -1 1 -1
3 1 1 1
-1000000 -1000000 -1000000

예제 출력 1

8
18
1
0
-1000000000000000000

예제 1: 본문에서 다루었다.

예제 2: A = V[2, 2], B = V[3, 3], C = V[4, 4]를 고르는 것이 한 가지 방법이다.

예제 3: A = [1, 2], B = [3, 4], C = [5, 6]을 고르면 된다.

예제 4: 모든 길이 2인 부분 배열의 원소합은 0이다.

예제 5: 추가 설명 없음.

[{"problem_id":"25574","problem_lang":"0","title":"ABC \ubc30\uc5f4 \ub180\uc774","description":"<p>\uc138 \uc5b4\ub9b0\uc774 Alice, Bob, Chris\ub294 \uc815\uc218 \ubc30\uc5f4\uc744 \uc774\uc6a9\ud55c \ub180\uc774\ub97c \uc990\uaca8\ud55c\ub2e4.<\/p>\r\n\r\n<p>\uba3c\uc800 \uae38\uc774\uac00 n\uc778 \uc815\uc218\ubc30\uc5f4 V\ub97c \uace0\ub978\ub2e4 (V[i]\ub294 i\ubc88\uc9f8 \uc6d0\uc18c\uc774\uba70 i = 1, 2, ..., n\uc774\ub2e4). 1 &le; i &le; j &le; n\uc778 \uc778\ub371\uc2a4 i, j\uc5d0 \ub300\ud574 V[i, j]\ub294 V\uc758 i\ubc88\uc9f8\ubd80\ud130 j\ubc88\uc9f8 \uc6d0\uc18c\uae4c\uc9c0\ub97c \ud3ec\ud568\ud55c \uae38\uc774 (j-i+1)\uc778 \ubd80\ubd84\ubc30\uc5f4\ub85c \uc815\uc758\ud55c\ub2e4.<\/p>\r\n\r\n<p>\ub2e4\uc74c\uc73c\ub85c \uc138 \uac1c\uc758 \uc815\uc218 a, b, c\ub97c \uace0\ub974\ub294\ub370 \uc774\ub294 \uc55e\uc73c\ub85c \uc138 \uc5b4\ub9b0\uc774\uac00 \uace0\ub97c \ubd80\ubd84\ubc30\uc5f4\uc758 \uae38\uc774\ub97c \ub098\ud0c0\ub0b8\ub2e4. Alice\ub294 \uae38\uc774\uac00 a\uc778 V\uc758 \ubd80\ubd84 \ubc30\uc5f4\uc744 \uace0\ub974\uace0 (\ud574\ub2f9 \ubd80\ubd84 \ubc30\uc5f4\uc744 A\ub77c \ud558\uc790), Bob\uc740 \uae38\uc774\uac00 b\uc778 \ubd80\ubd84 \ubc30\uc5f4\uc744 \uace0\ub974\uace0 (\uc774\ub97c B\ub77c \ud558\uc790), Chris\ub294 \uae38\uc774\uac00 c\uc778 \ubd80\ubd84 \ubc30\uc5f4\uc744 \uace0\ub978\ub2e4 (\uc774\ub97c C\ub77c \ud558\uc790). \ub2e8, \uc774 \uc138 \ubd80\ubd84 \ubc30\uc5f4\uc740 \uacf5\ud1b5\ub41c \uc6d0\uc18c\ub97c \ud3ec\ud568\ud574\uc11c\ub294 \uc548\ub41c\ub2e4 (\uc989, \uc138 \ubd80\ubd84 \ubc30\uc5f4\uc774 \uacb9\uce58\ub3c4\ub85d \uace0\ub97c \uc218 \uc5c6\ub2e4).<\/p>\r\n\r\n<p>\uc608\ub97c \ub4e4\uc5b4 V = [2, 0, -2, -2] \uc774\uace0 a = 2, b = 1, c = 1 \uc774\ub77c\uba74 A = V[1, 2], B = V[3, 3], C = V[4, 4]\uac00 \ub418\ub3c4\ub85d \uace0\ub974\ub294 \uac83\uc740 \uad1c\ucc2e\uc9c0\ub9cc, A = V[1, 2], B = V[2, 2], C = V[1, 1] \ub85c \uace0\ub97c \uc218\ub294 \uc5c6\ub2e4 (\ud6c4\uc790\uc758 \uacbd\uc6b0 A\uc640 B\uac00 \ub450 \ubc88\uc9f8 \uc6d0\uc18c\uc778 V[2]\ub97c \uacf5\ud1b5\uc73c\ub85c \ud3ec\ud568\ud558\uace0, A\uc640 C\ub294 \uccab \ubc88\uc9f8 \uc6d0\uc18c\uc778 V[1]\ub97c \uacf5\ud1b5\uc73c\ub85c \ud3ec\ud568\ud55c\ub2e4).<\/p>\r\n\r\n<p>\uc138 \uc5b4\ub9b0\uc774\ub294 \uac01\uc790 \uc790\uc2e0\uc774 \uace0\ub978 \ubd80\ubd84 \ubc30\uc5f4\uc758 \uc6d0\uc18c\ub97c \ubaa8\ub450 \ub354\ud55c \ud6c4, \uc774\ub807\uac8c \uc5bb\uc5b4\uc9c4 \uc138 \uac1c\uc758 \uc815\uc218\ub97c (\uac01 \ubd80\ubd84 \ubc30\uc5f4\uc758 \uc6d0\uc18c \ucd1d\ud569\uc744 S<sub>A<\/sub>, S<sub>B<\/sub>, S<sub>C<\/sub>\ub77c \ud558\uc790) \ubaa8\ub450 \uacf1\ud558\uc5ec \ucd5c\uc885 \uc810\uc218\ub97c \uad6c\ud55c\ub2e4 -- \uc989 S<sub>A<\/sub> &times; S<sub>B<\/sub> &times; S<sub>C<\/sub>\uac00 \ucd5c\uc885 \uc810\uc218\uac00 \ub41c\ub2e4.<\/p>\r\n\r\n<p>\uc55e\uc120 \uc608\uc81c\uc5d0\uc11c A = V[1, 2], B = V[3, 3], C = V[4, 4] \ub97c \uace8\ub790\ub2e4\uba74 S<sub>A<\/sub> = 2+0 = 2, S<sub>B<\/sub> = -2, S<sub>C<\/sub> = -2\uac00 \ub418\uace0, S<sub>A<\/sub> &times; S<sub>B<\/sub> &times; S<sub>C<\/sub> = 8\uc774 \ub41c\ub2e4. \ub9cc\uc57d A = V[1, 2], B = V[4, 4], C = V[3, 3]\uc744 \uace0\ub974\ub354\ub77c\ub3c4 \uacb0\uacfc\ub294 \uac19\ub2e4. \ud558\uc9c0\ub9cc A = V[3, 4], B = V[1, 1], C = V[2, 2]\ub97c \uace0\ub978\ub2e4\uba74 S<sub>A<\/sub> = -4, S<sub>B<\/sub> = 2, S<sub>C<\/sub> = 0\uc774 \ub418\uc5b4 \ucd5c\uc885 \uc810\uc218\ub294 0\uc774 \ub41c\ub2e4. \uc774 \uc608\uc81c\uc5d0\uc11c \uc138 \uc5b4\ub9b0\uc774\uac00 \ub2ec\uc131\ud560 \uc218 \uc788\ub294 \ucd5c\uc885 \uc810\uc218\uc758 \ucd5c\ub313\uac12\uc740 8\uc774\ub2e4.<\/p>\r\n\r\n<p>\uc785\ub825\uc73c\ub85c V, n, a, b, c\uac00 \uc8fc\uc5b4\uc84c\uc744 \ub54c, \uc138 \uc5b4\ub9b0\uc774\uac00 \ud611\ub3d9\ud558\uc5ec \uc5bb\uc744 \uc218 \uc788\ub294 \ucd5c\uc885 \uc810\uc218\uc758 \ucd5c\ub313\uac12\uc744 \uad6c\ud574\ubcf4\uc790.<\/p>\r\n","input":"<p>\uc785\ub825 \uccab \uc904\uc5d0 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\uc758 \uc218 T\uac00 \uc8fc\uc5b4\uc9c4\ub2e4.<\/p>\r\n\r\n<p>\uac01 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\ub294 \ub450 \uc904\uc5d0 \uac78\uccd0 \uc8fc\uc5b4\uc9c0\uba70 \uccab \uc904\uc5d0 n, a, b, c\uac00 \uacf5\ubc31\uc73c\ub85c \uad6c\ubd84\ub418\uc5b4 \uc8fc\uc5b4\uc9c4\ub2e4. \ub458\uc9f8 \uc904\uc5d0\ub294 \ubc30\uc5f4 V\uc758 \uc6d0\uc18c\uc778 n\uac1c\uc758 \uc815\uc218\uac00 \uacf5\ubc31\uc73c\ub85c \uad6c\ubd84\ub418\uc5b4 \uc8fc\uc5b4\uc9c4\ub2e4.<\/p>\r\n","output":"<p>\uac01 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\uc758 \uc815\ub2f5\uc744 \uac01 \uc904\uc5d0 \ucd9c\ub825\ud55c\ub2e4.<\/p>\r\n","hint":"","original":"1","html_title":"0","problem_lang_tcode":"Korean","limit":"<ul>\r\n\t<li>1 &le; T &le; 10<\/li>\r\n\t<li>3 &le; n &le; 100,000<\/li>\r\n\t<li>1 &le; a, b, c &le; n-2<\/li>\r\n\t<li>a + b + c &le; n<\/li>\r\n\t<li>-10<sup>6<\/sup> &le; V[i] &le; 10<sup>6<\/sup> (i = 1, 2, ..., n)<\/li>\r\n\t<li>V\uc758 \ubd80\ubd84 \ubc30\uc5f4 \uc911 \uae38\uc774\uac00 a \ud639\uc740 b \ud639\uc740 c\uc778 \ubaa8\ub4e0 \ubd80\ubd84 \ubc30\uc5f4\uc5d0 \ub300\ud558\uc5ec \ud574\ub2f9 \ubd80\ubd84 \ubc30\uc5f4\uc758 \uc6d0\uc18c \ucd1d\ud569\uc758 \uc808\ub313\uac12\uc740 10<sup>6<\/sup>\uc744 \ucd08\uacfc\ud558\uc9c0 \uc54a\ub294\ub2e4. \t\ub530\ub77c\uc11c \ubaa8\ub4e0 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\uc758 \uc815\ub2f5\uc740 -10<sup>18<\/sup> \uc774\uc0c1 10<sup>18<\/sup> \uc774\ud558\uc784\uc774 \ubcf4\uc7a5\ub41c\ub2e4.<\/li>\r\n<\/ul>\r\n","sample_explain_1":"<p>\uc608\uc81c 1: \ubcf8\ubb38\uc5d0\uc11c \ub2e4\ub8e8\uc5c8\ub2e4.<\/p>\r\n\r\n<p>\uc608\uc81c 2: A = V[2, 2], B = V[3, 3], C = V[4, 4]\ub97c \uace0\ub974\ub294 \uac83\uc774 \ud55c \uac00\uc9c0 \ubc29\ubc95\uc774\ub2e4.<\/p>\r\n\r\n<p>\uc608\uc81c 3: A = [1, 2], B = [3, 4], C = [5, 6]\uc744 \uace0\ub974\uba74 \ub41c\ub2e4.<\/p>\r\n\r\n<p>\uc608\uc81c 4: \ubaa8\ub4e0 \uae38\uc774 2\uc778 \ubd80\ubd84 \ubc30\uc5f4\uc758 \uc6d0\uc18c\ud569\uc740 0\uc774\ub2e4.<\/p>\r\n\r\n<p>\uc608\uc81c 5: \ucd94\uac00 \uc124\uba85 \uc5c6\uc74c.<\/p>\r\n"},{"problem_id":"25574","problem_lang":"1","title":"ABC Array Game","description":"<p>Three children named Alice, Bob, and Chris like to play games with integer arrays.<\/p>\r\n\r\n<p>First, they pick an integer array V of length n (let V[i] be the i-th element where i = 1, 2, ... , n). For indices i, j with 1 &le; i &le; j &le; n, let V[i, j] be the subarray of V containing (j-i+1) elements from V[i] to V[j].<\/p>\r\n\r\n<p>Next, they choose three integers a, b, and c which will be used as the lengths of subarrays that the three children will pick. Alice chooses a subarray of V of length a (call the subarray A), Bob a subarray of length b (call the subarray B), and Chris a subarray of length c (call the subarray C). These subarrays should NOT contain any common element (that is, subarrays cannot be overlapping).<\/p>\r\n\r\n<p>For instance, let&nbsp;V = [2, 0, -2, -2] and a = 2, b = 1, c = 1. Then, it is allowed for the children to choose A = V[1, 2], B = V[3, 3], C = V[4, 4], but&nbsp;A = V[1, 2], B = V[2, 2], C = V[1, 1] would not be allowed (in the latter case, A &amp; B share V[2] and A &amp; C share V[1]).<\/p>\r\n\r\n<p>The three children then, respectively, add up the elements in their array -- let the totals be S<sub>A<\/sub>, S<sub>B<\/sub>, S<sub>C<\/sub>, and they multiply these three numbers to obtain the final score. That is,&nbsp;S<sub>A<\/sub> &times; S<sub>B<\/sub> &times; S<sub>C&nbsp;<\/sub>is their final score.<\/p>\r\n\r\n<p>In the previous example, if the children picked A = V[1, 2], B = V[3, 3], C = V[4, 4], then S<sub>A<\/sub> = 2+0 = 2, S<sub>B<\/sub> = -2, S<sub>C<\/sub> = -2 and thus S<sub>A<\/sub> &times; S<sub>B<\/sub> &times; S<sub>C<\/sub> = 8. If they picked A = V[1, 2], B = V[4, 4], C = V[3, 3], the final score would be the same. Yet if they picked A = V[3, 4], B = V[1, 1], C = V[2, 2], then S<sub>A<\/sub> = -4, S<sub>B<\/sub> = 2, S<sub>C<\/sub> = 0 and thus the final score would be 0.<br \/>\r\nIn this example, the largest score they can obtain is 8.<\/p>\r\n\r\n<p>Given V, n, a, b, and c, compute the largest score the children can obtain in this game.<\/p>\r\n","input":"<p>The first line of the input will contain T, the number of test&nbsp;cases.<\/p>\r\n\r\n<p>Each test case will be given over two lines. The first line will contain n, a, b, and c, separated by whitespace. The second line will contain the array V&#39;s n elements, separated by whitespace.<\/p>\r\n","output":"<p>Output each test case&#39;s answer in each line.<\/p>\r\n","hint":"","original":"0","html_title":"0","problem_lang_tcode":"English","limit":"<ul>\r\n\t<li>1 &le; T &le; 10<\/li>\r\n\t<li>3 &le; n &le; 100,000<\/li>\r\n\t<li>1 &le; a, b, c &le; n-2<\/li>\r\n\t<li>a + b + c &le; n<\/li>\r\n\t<li>-10<sup>6<\/sup> &le; V[i] &le; 10<sup>6<\/sup>&nbsp;(i = 1, 2, ..., n)<\/li>\r\n\t<li>For each subarray of V whose length is equal to a or b or c, the absolute value of the sum of the elements in the said subarray will not exceed 10<sup>6<\/sup>. Hence, each test case&#39;s answer will be between&nbsp;-10<sup>18<\/sup>&nbsp;and&nbsp;10<sup>18<\/sup>.<\/li>\r\n<\/ul>\r\n","sample_explain_1":"<p>Case 1: Discussed in the problem statement.<\/p>\r\n\r\n<p>Case 2: One option is to choose A = V[2, 2], B = V[3, 3], C = V[4, 4].<\/p>\r\n\r\n<p>Case 3: They can choose A = [1, 2], B = [3, 4], C = [5, 6].<\/p>\r\n\r\n<p>Case 4: Every subarray of length 2 has the sum equal to 0.<\/p>\r\n\r\n<p>Case 5: No explanation.<\/p>\r\n"}]

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