{ "data": { "question": { "questionId": "3760", "questionFrontendId": "3447", "categoryTitle": "Algorithms", "boundTopicId": 3065448, "title": "Assign Elements to Groups with Constraints", "titleSlug": "assign-elements-to-groups-with-constraints", "content": "
You are given an integer array groups
, where groups[i]
represents the size of the ith
group. You are also given an integer array elements
.
Your task is to assign one element to each group based on the following rules:
\n\nj
can be assigned to a group i
if groups[i]
is divisible by elements[j]
.j
.Return an integer array assigned
, where assigned[i]
is the index of the element chosen for group i
, or -1 if no suitable element exists.
Note: An element may be assigned to more than one group.
\n\n\n
Example 1:
\n\nInput: groups = [8,4,3,2,4], elements = [4,2]
\n\nOutput: [0,0,-1,1,0]
\n\nExplanation:
\n\nelements[0] = 4
is assigned to groups 0, 1, and 4.elements[1] = 2
is assigned to group 3.Example 2:
\n\nInput: groups = [2,3,5,7], elements = [5,3,3]
\n\nOutput: [-1,1,0,-1]
\n\nExplanation:
\n\nelements[1] = 3
is assigned to group 1.elements[0] = 5
is assigned to group 2.Example 3:
\n\nInput: groups = [10,21,30,41], elements = [2,1]
\n\nOutput: [0,1,0,1]
\n\nExplanation:
\n\nelements[0] = 2
is assigned to the groups with even values, and elements[1] = 1
is assigned to the groups with odd values.
\n
Constraints:
\n\n1 <= groups.length <= 105
1 <= elements.length <= 105
1 <= groups[i] <= 105
1 <= elements[i] <= 105
给你一个整数数组 groups
,其中 groups[i]
表示第 i
组的大小。另给你一个整数数组 elements
。
请你根据以下规则为每个组分配 一个 元素:
\n\ngroups[i]
能被 elements[j]
整除,则下标为 j
的元素可以分配给组 i
。j
的元素。返回一个整数数组 assigned
,其中 assigned[i]
是分配给组 i
的元素的索引,若无合适的元素,则为 -1。
注意:一个元素可以分配给多个组。
\n\n\n\n
示例 1:
\n\n输入: groups = [8,4,3,2,4], elements = [4,2]
\n\n输出: [0,0,-1,1,0]
\n\n解释:
\n\nelements[0] = 4
被分配给组 0、1 和 4。elements[1] = 2
被分配给组 3。示例 2:
\n\n输入: groups = [2,3,5,7], elements = [5,3,3]
\n\n输出: [-1,1,0,-1]
\n\n解释:
\n\nelements[1] = 3
被分配给组 1。elements[0] = 5
被分配给组 2。示例 3:
\n\n输入: groups = [10,21,30,41], elements = [2,1]
\n\n输出: [0,1,0,1]
\n\n解释:
\n\nelements[0] = 2
被分配给所有偶数值的组,而 elements[1] = 1
被分配给所有奇数值的组。
\n\n
提示:
\n\n1 <= groups.length <= 105
1 <= elements.length <= 105
1 <= groups[i] <= 105
1 <= elements[i] <= 105
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