LeetCode-1：Two Sum

阿新 • • 發佈：2017-10-28

input ice spa number cau amp use assume cif

【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.

【Example】

Given nums = [2, 7, 11, 15], target = 9,

Because nums[0] + nums[1 
] = 2 + 7 = 9,
return [0, 1].

【Solution】

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