LeetCode 3447: Assign Elements to Groups with Constraints Solution

Master LeetCode problem 3447 (Assign Elements to Groups with Constraints), a medium challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.

3447. Assign Elements to Groups with Constraints

Medium

Array Hash Table

Problem Explanation

Explanation:

To solve this problem, we iterate over each group and each element, checking if the group size is divisible by the element. If it is divisible, we assign the element to that group. We keep track of the assigned elements and return the results in the assigned array.

Algorithm:

Initialize an array assigned of size equal to the number of groups, filled with -1.
For each group, iterate through each element. If the group size is divisible by the current element and the group is not already assigned, assign the current element to that group.
Continue this process for all groups and elements.
Return the assigned array as the final result.

Time Complexity: O(n * m), where n is the number of groups and m is the number of elements.

Space Complexity: O(n), where n is the number of groups.

Solution Code

class Solution {
    public int[] assignElements(int[] groups, int[] elements) {
        int n = groups.length;
        int m = elements.length;
        int[] assigned = new int[n];
        Arrays.fill(assigned, -1);

        for (int i = 0; i < n; i++) {
            for (int j = 0; j < m; j++) {
                if (groups[i] % elements[j] == 0 && assigned[i] == -1) {
                    assigned[i] = j;
                }
            }
        }

        return assigned;
    }
}

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