2、Python解法 我是这样写的 classSolution(object):deftwoSum(self,nums,target):""":type nums: List[int] :type target: int :rtype: List[int]"""foriinrange(0,len(nums)-1):forjinrange(i+1,len(nums)):ifnums[i]+nums[j]==target:returni,j nums=[2,7,11,15] target=9result=Soluti...
循环遍历每个元素 xx 并查找是否有另一个值等于目标 xtarget−x。 classSolution:deftwoSum(self, nums, target):""" :type nums: List[int] :type target: int :rtype: List[int] """foriinrange(0,len(nums)):forjinrange(i+1,len(nums)):ifnums[i] + nums[j] == target:return[i,j] ...
LeetCode001-Two Sum Two Sum Question: 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 ...LeetCode 001. Two Sum 2019独角兽企业重金招聘Python工程师标准...
Python enumerate() 函数,用for来实现计数功能 enumerate()函数enumerate()函数用于将一个可遍历的数据对象(如列表、元组或字符串)组合为一个索引序列,同时列出数据和数据下标,一般用在 for 循环当中。enumerate(sequence, [start=0]) 举个例子: 例子来源 ...
class Solution: def twoSum(self, nums: List[int], target: int) -> List[int]: hashtable = dict() for i, num in enumerate(nums): if target - num in hashtable: return [hashtable[target - num], i] hashtable[nums[i]] = i ...
class Solution(object): def twoSum(self, nums, target): """ :type nums: List[int] :type target: int :rtype: List[int] """ 1 2 3 4 5 6 7 2. 解答 最容易想到的是暴力解法,显然可行但没必要。 2.1 错误解答(自己的) 首先,题目要求返回下标,因此应保存数的对应下标,Python中使用字典进...
The function twoSum should return indices of the two numbers such that they add up to the target, where index1 must be less than index2. Please note that your returned answers (both index1 and index2) are not zero-based. You may assume that each input would have exactly one solution....
You may assume that each input would have exactly one solution and you may not use the same element twice. 给定一个已经按升序排序的整数数组,找到两个数字,使它们相加到一个特定的目标数。 函数twoSum应该返回两个数字的索引,使它们相加到目标,其中index1必须小于index2。 请注意,您返回的答案(index1和...
leetcode-- 问题1--twosum---方法理解(python3) 自己写不出好代码之前,先去理解别人的代码。 题目要求: ''' 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...
1classSolution:2#@return a tuple, (index1, index2)3deftwoSum(self, num, target):45#sort the array, and remeber the index6#can do from the start and the end to the middle7numbers=sorted(num)89length=len(numbers)1011index=[]1213left=014right=length-11516while(left<right):17sum_data...