1classSolution(object):2deftwoSum(self, nums, target):34forind, numinenumerate(nums):5iftarget-numinnumsandnums.index(target-num) !=ind:6return[ind, nums.index(target-num)]7return-1 直接利用了列表的索引。 运行速度仅为4ms 但是其中肯定用到了其他遍历比如nums.index(target-num)。这就是Pyt...
然后在备份的数组里找到位置。 1classSolution:2"""3@param numbers : An array of Integer4@param target : target = numbers[index1] + numbers[index2]5@return : [index1 + 1, index2 + 1] (index1 < index2)6"""7deftwoSum(self, numbers, target):8#write your code here9tmp =[]10for...
Python3 on LintCode class Solution: """ @param numbers: An array of Integer @param target: target = numbers[index1] + numbers[index2] @return: [index1, index2] (index1 < index2) """ def twoSum(self, numbers, target): # write your code here if numbers is None or len(numbers)...
代码(Python3) # Definition for singly-linked list. # class ListNode: # def __init__(self, val=0, next=None): # self.val = val # self.next = next class Solution: def addTwoNumbers(self, l1: Optional[ListNode], l2: Optional[ListNode]) -> Optional[ListNode]: # 哨兵结点,方便后续处...
Write a Python program to find the first two elements of a given list whose sum is equal to a given value. Use the itertools module to solve the problem. Sample Solution: Python Code: importitertoolsasitdefsum_pairs_list(nums,n):fornum2,num1inlist(it.combinations(nums[::-1],2))[:...
My Solution 代码语言:javascript 代码运行次数:0 classSolution{public:ListNode*addTwoNumbers(ListNode*l1,ListNode*l2){ListNode*p=l1;ListNode*q=l2;int sum=0;ListNode*sentinel=newListNode(0);ListNode*d=sentinel;if((p==NULL)&&(q!=NULL)){returnq;}if((p!=NULL)&&(q==NULL)){returnp;}do{if(...
SOLUTION: To solve for the magnitude ofTCETCEandTBDTBD, we need to solve to two equations for two unknowns. To accomplish this with Python, first import NumPy and SymPy. The SymPy functionssymbols,Eqandsolveare needed. We will also use NumPy's trig functions to solve this problem. ...
javapythongorustjsp 算法思路相同,都是使用dummy节点和cur指针,两两交换链表节点,并返回dummy.next作为结果。 疯狂的KK 2023/05/16 9910 leetcode 2 Add two numbers addleetcodenumbers public class Solution { public ListNode addTwoNumbers(ListNode l1, ListNode l2) { ListNode dummy = new ListNode(-1);...
因此,在查阅了解题技巧之后,我发现使用Python的字典进行哈希查询更加便利和巧妙: classSolution:deftwoSum(nums:list,target:int)->list:# 构建字典dic={}# 利用枚举将列表的数据和对应下标进行存储,注意存储方式(并非死板的使用"index -> value"来存储)forindex,valueinenumerate(nums):dic[value]=indexforrequired...
Communication between Python and C# Communication between Threads Compare 2 arrays using linq compare a string to all possible dictionary keys compare two arrays to find out if they contain any element in common. Compare two bitmaps Compare two char arrays Compare two int arrays Compare two List(...