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Programming/Algorithm
[Java-알고리즘] Two Sum
[Problem] Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have exactly one solution, and you may not use the same element twice. [Example1] Given nums = [2, 7, 11, 15], target = 9, Because nums[0] + nums[1] = 2 + 7 = 9, return [0, 1]. [Example2] Given nums = [3, 2, 4], target = 6, Because nums[1] + num..