class Solution: def longestWord(self, words): """ :type words: List[str] :rtype: str """ # 答案来自https://leetcode.com/…阅读全文 赞同 添加评论 分享收藏 717. 1-bit and 2-bit Characters class Solution: def isOneBitCharacter(self, bits): """ :type bits: ...
# Definition for singly-linked list.# class ListNode(object):# def __init__(self, val=0, next=None):# self.val = val# self.next = nextclassSolution(object):defaddTwoNumbers(self, l1, l2):""" :type l1: ListNode :type l2: ListNode :rtype: ListNode """temp = p = ListNode(None...
classSolution:defhasPathSum(self, root,sum):ifnotroot:returnFalse## 如果是叶结点ifnotroot.leftandnotroot.rightandroot.val ==sum:returnTruesum-= root.valreturnself.hasPathSum(root.left,sum)orself.hasPathSum(root.right,sum) 其他 如果说leetcode的神奇之处在哪,那一定不是题目的套路,而是反套路。
classSolution:defreverse(self,x):""" :type x: int :rtype: int """minus=1ifx<0:minus=-1x*=minus ans=0whilex!=0:pop=x%10x=x//10ans=ans*10+pop ans*=minus# 由于leetcode要求溢出时返回0,而python写的时候该溢出的用例未溢出,所以判断一下溢出if-2**31<ans<2**31-1:returnanselse:r...
classSolution(object):defhammingWeight(self,n):""":type n: int:rtype: int"""count=0;whilen>0:n=n&(n-1);count=count+1;returncount; 如果需要在本地测试或debug,相应的代码如下: # Below is testingobj=Solution()# n = int('00000000000000000000000000001011', 2)n=0b000000000000000000000000000101...
485. 最大连续 1 的个数(Easy) 方法一: 将数组尾部插入一个0,每碰见一个0,就统计两个0之间有多少个1 class Solution: def findMaxConsecutiveOnes(self, nums: List[int]) -> int: pre_zero_index = -1 res = 0 nums.append(0) for i, num in enumerate(nums): ...
class Solution: def romanToInt(self,rnum): rnum = input("input:") dic = {"I":1,"V":5,"X":10,"L":50,"C":100,"D":500,"M":1000} rnum = list(rnum) s =0 if len(rnum) <1 or len(rnum)> 15: return 0 for i in range(len(rnum)-1): if dic[rnum[i]] < dic...
代码语言:python 代码运行次数:0 复制 Cloud Studio代码运行 classSolution:defsingleNumber(self,nums:List[int])->int:num:int=0foriteminnums:num^=itemreturnnum 运行时间和内存 题解2:使用rust: 代码语言:rust 复制 implSolution{pubfnsingle_number(nums:Vec<i32>)->i32{letmutsum:i32=0;fornuminnums....
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. 例子: 代码语言:javascript ...
easy难度 包括思路及解题过程 语言python3. Contribute to zzzzzzrc/leetcode development by creating an account on GitHub.