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Arrays: Find common element in 3 sorted arrays.
- Given 3 sorted arrays, you need to find all the common elements in all the 3 elements.
- The problem can be solved by finding the intersection of all the arrays.
- Another optimized approach is to use a single loop to find the common elements.
- The time complexity for both approaches is O(n1 + n2 + n3), where n1, n2, n3 are the sizes of the 3 arrays.
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