Write a Python program to find the first duplicate element in a given array of integers. Return -1 if there are no such elements.Sample Solution:Python Code :def find_first_duplicate(nums): num_set = set() no_duplicate = -1 for i in range(len(nums)): if nums[i] in num_set: re...
代码如下 classSolution:deffindDuplicate(self, nums:List[int]) ->int:# 如果只有两个元素,第一个元素一定是重复元素iflen(nums) ==2:returnnums[0]# fast每次走两步,slow每次走一步,起始点可以为任意位置fast =0slow =0# python没有do while,所以在循环外写了一遍slow = nums[slow] fast = nums[num...
代码(Python3) class Solution: def findDuplicate(self, nums: List[int]) -> int: # 二分区间左边界,初始化为 1 l: int = 1 # 二分区间右边界,初始化为 n r: int = len(nums) - 1 # 当前区间不为空时,继续二分 while l <= r: # 计算区间中点 mid mid: int = (l + r) >> 1 #...
Finding duplicate values is crucial for efficient database management as it ensures data consistency and integrity. The following steps show a practical example of identifying duplicate entries in MySQL. Step 1: Create a Sample Table (Optional) To practice discovering duplicates in MySQL,create a tab...
Given a string s and a non-empty string p, find all the start indices of p's anagrams in s. Strings consists of lowercase English letters only and the length of both strings s and p will not be larger than 20,100. The order of output does not matter. ...
Python代码: class Solution(object): def findDuplicate(self, paths): """ :type paths: List[str] :rtype: List[List[str]] """ filemap = collections.defaultdict(list) for path in paths: roads = path.split() directory, files = roads[0], roads[1:] ...
C program to delete duplicate words in the string C - Sort strings in alphabetical order C - Find frequency of given word in a string C - Find sum of all digits in alphanumeric string C - Copy a string to another string using recursion C - Find first capital letter in a string ...
boolhasDuplicateParenthesis(stringexp) { if(exp.length()<=3){ returnfalse; } // take an empty stack of characters stack<char>stack; // traverse the input expression for(charc:exp) { // if the current char in the expression is not a closing parenthesis ...
Additional non-parsable characters are at the end of the string address search Adjust a textBox:s height automatically to the contents inside it adjust asp.net panel width and hieght using CSS ADO.NET (XML) is Missing from Database Expert When Create New Connection in Crystal Report AES...
Strings can also be sorted using thesorted()function, which returns a list of characters in alphabetical order. To convert the result back to a string, use''.join(). string_example ="hello" sorted_string =''.join(sorted(string_example))# returns "ehllo" ...