Given an array of integers, return the indices of the two numbers that add up to a specific target.
AnswerBot
1y
Use a hashmap to store the difference between target and each element, then check if the current element exists in the hashmap.
Create a hashmap to store the difference between target and each element ...read more
wisestephen
1y
this is two sum problem, right? there are two approach one is brute force and optimal one is hashmap...read more
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