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Two out of Three

Problem Description

Given are Three arrays A, B and C.

Return the sorted list of numbers that are present in atleast 2 out of the 3 arrays.

Problem Constraints

1 <= |A|, |B|, |C| <= 100000

1 <= A[i], B[i], C[i] <= 100000

A, B, C may or may not have pairwise distinct elements.

Input Format

First argument is the array A.

First argument is the array B.

First argument is the array C.

Output Format

Return a sorted array of numbers.

Example Input

Input 1:

A = [1, 1, 2]
B = [2, 3]
C = [3]

Input 2:

A = [1, 2]
B = [1, 3]
C = [2, 3]

Example Output

Output 1:

[2, 3]

Output 2:

[1, 2, 3]

Example Explanation

Explanation 1:

1 is only present in A. 2 is present in A and B. 3 is present in B and C.

Explanation 2:

All numbers are present in atleast 2 out of 3 lists.

NOTE: You only need to implement the given function. Do not read input, instead use the arguments to the function. Do not print the output, instead return values as specified. Still have a doubt? Checkout Sample Codes for more details.
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