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algorithm

2019.11.19

添加第一题的答案:

题目:

给定一个整数数组 nums 和一个目标值 target,请你在该数组中找出和为目标值的那 两个 整数,并返回他们的数组下标。

你可以假设每种输入只会对应一个答案。但是,你不能重复利用这个数组中同样的元素。
示例:
给定 nums = [2, 7, 11, 15], target = 9
因为 nums[0] + nums[1] = 2 + 7 = 9 所以返回 [0, 1]

原题地址 :https://leetcode-cn.com/problems/two-sum/

答案地址 :https://github.com/mask616/algorithm/blob/master/leetcode/src/main/java/com/mask/leetcode/simple/NumOne.java


2019.11.19

添加第二题答案:

题目:

给出两个 非空 的链表用来表示两个非负的整数。其中,它们各自的位数是按照 逆序 的方式存储的,并且它们的每个节点只能存储 一位 数字。 如果,我们将这两个数相加起来,则会返回一个新的链表来表示它们的和。 您可以假设除了数字 0 之外,这两个数都不会以 0 开头。
示例:
输入:(2 -> 4 -> 3) + (5 -> 6 -> 4)
输出:7 -> 0 -> 8
原因:342 + 465 = 807

原题地址:https://leetcode-cn.com/problems/add-two-numbers/

答案地址:https://github.com/mask616/algorithm/blob/master/leetcode/src/main/java/com/mask/leetcode/middle/NumTwo.java

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