hard20 pts · first answer countsarraystwo-pointers

Avoiding duplicate triplets in 3Sum

Your 3Sum on [-1, 0, 1, 2, -1, -4] returns [-1, 0, 1] twice. After sorting, what fixes it?

A.Remove all duplicate values from the input before the search startsB.Put every triplet into a Set of arrays and return the SetC.Skip an anchor equal to the previous anchor, and skip equal values after a matchD.Stop the two-pointer scan after the first match for each anchor

Discussion 0

Join free to post in the discussion.

Avoiding duplicate triplets in 3Sum

Discussion 0

Related questions