{ "data": { "question": { "questionId": "3347", "questionFrontendId": "3069", "categoryTitle": "Algorithms", "boundTopicId": 2662460, "title": "Distribute Elements Into Two Arrays I", "titleSlug": "distribute-elements-into-two-arrays-i", "content": "
You are given a 1-indexed array of distinct integers nums
of length n
.
You need to distribute all the elements of nums
between two arrays arr1
and arr2
using n
operations. In the first operation, append nums[1]
to arr1
. In the second operation, append nums[2]
to arr2
. Afterwards, in the ith
operation:
arr1
is greater than the last element of arr2
, append nums[i]
to arr1
. Otherwise, append nums[i]
to arr2
.The array result
is formed by concatenating the arrays arr1
and arr2
. For example, if arr1 == [1,2,3]
and arr2 == [4,5,6]
, then result = [1,2,3,4,5,6]
.
Return the array result
.
\n
Example 1:
\n\n\nInput: nums = [2,1,3]\nOutput: [2,3,1]\nExplanation: After the first 2 operations, arr1 = [2] and arr2 = [1].\nIn the 3rd operation, as the last element of arr1 is greater than the last element of arr2 (2 > 1), append nums[3] to arr1.\nAfter 3 operations, arr1 = [2,3] and arr2 = [1].\nHence, the array result formed by concatenation is [2,3,1].\n\n\n
Example 2:
\n\n\nInput: nums = [5,4,3,8]\nOutput: [5,3,4,8]\nExplanation: After the first 2 operations, arr1 = [5] and arr2 = [4].\nIn the 3rd operation, as the last element of arr1 is greater than the last element of arr2 (5 > 4), append nums[3] to arr1, hence arr1 becomes [5,3].\nIn the 4th operation, as the last element of arr2 is greater than the last element of arr1 (4 > 3), append nums[4] to arr2, hence arr2 becomes [4,8].\nAfter 4 operations, arr1 = [5,3] and arr2 = [4,8].\nHence, the array result formed by concatenation is [5,3,4,8].\n\n\n
\n
Constraints:
\n\n3 <= n <= 50
1 <= nums[i] <= 100
nums
are distinct.给你一个下标从 1 开始、包含 不同 整数的数组 nums
,数组长度为 n
。
你需要通过 n
次操作,将 nums
中的所有元素分配到两个数组 arr1
和 arr2
中。在第一次操作中,将 nums[1]
追加到 arr1
。在第二次操作中,将 nums[2]
追加到 arr2
。之后,在第 i
次操作中:
arr1
的最后一个元素 大于 arr2
的最后一个元素,就将 nums[i]
追加到 arr1
。否则,将 nums[i]
追加到 arr2
。通过连接数组 arr1
和 arr2
形成数组 result
。例如,如果 arr1 == [1,2,3]
且 arr2 == [4,5,6]
,那么 result = [1,2,3,4,5,6]
。
返回数组 result
。
\n\n
示例 1:
\n\n\n输入:nums = [2,1,3]\n输出:[2,3,1]\n解释:在前两次操作后,arr1 = [2] ,arr2 = [1] 。\n在第 3 次操作中,由于 arr1 的最后一个元素大于 arr2 的最后一个元素(2 > 1),将 nums[3] 追加到 arr1 。\n3 次操作后,arr1 = [2,3] ,arr2 = [1] 。\n因此,连接形成的数组 result 是 [2,3,1] 。\n\n\n
示例 2:
\n\n\n输入:nums = [5,4,3,8]\n输出:[5,3,4,8]\n解释:在前两次操作后,arr1 = [5] ,arr2 = [4] 。\n在第 3 次操作中,由于 arr1 的最后一个元素大于 arr2 的最后一个元素(5 > 4),将 nums[3] 追加到 arr1 ,因此 arr1 变为 [5,3] 。\n在第 4 次操作中,由于 arr2 的最后一个元素大于 arr1 的最后一个元素(4 > 3),将 nums[4] 追加到 arr2 ,因此 arr2 变为 [4,8] 。\n4 次操作后,arr1 = [5,3] ,arr2 = [4,8] 。\n因此,连接形成的数组 result 是 [5,3,4,8] 。\n\n\n
\n\n
提示:
\n\n3 <= n <= 50
1 <= nums[i] <= 100
nums
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