Given an array of 2n integers, your task is to group these integers into n pairs of integer, say (a1, b1), (a2, b2), ..., (an, bn) which makes sum of min(ai, bi) for all i from 1 to n as large as possible.Example 1:...
题目地址:https://leetcode.com/problems/degree-of-an-array/description/ 题目描述 Given a non-empty array of non-negative integers nums, the degree of this array is defined as the maximum frequency of any one of its elements. Your task is to find the smallest possible length of a (contiguo...
"..","..")))importnumpyasnpimportmathfromtypingimportListimportitertoolsfromUtility.TimeitimportTimeitclassSolution_1:defcountGoodTriplets(self,arr:List[int],a:int,b:int,c:int)->int:good_triplets_count=0foriinrange(0,len(arr)-2):forjinrange(i+1,len(arr)-1):forkinrange(j+1,len(arr)...
array(board) m, n = len(board), len(board[0]) new_board = [ [0]*n for _ in range(m) ] for row in range(m): for col in range(n): alive_nos = board_arr[((row-1) if row>0 else 0):((row+2) if row<m-2 else m), ((col-1) if col>0 else 0):((col+2) if...
对应的 Java 仓库的地址,传送门:https://github.com/liweiwei1419/LeetCode-Solution-Java 说明:现在刷题,尤其是写题解,绝大多数问题都会写两个语言的代码,Java 是我的母语,Python 是我的新欢。 发布在 LeetCode 中文版上的题解配图使用的 PPT,传送门:https://github.com/liweiwei1419/LeetCode-Solution-PPT...
再将从当前位置 li 到数组末尾的元素数量加上i，再减去d，加入总步数res中将元素 i 的下标加入已删除元素的有序集合pos中更新上一个弹出的数位置返回清空数组所需的最少操作数res'''请用python3书写，并以下面这行作为开头。class Solution: def countOperationsToEmptyArray(self, nums: List[int]) -> in...
如下是官方Python解 classSolution:defminCost(self,nums:List[int],x:int)->int:n=len(nums)# 找出 nums 中最小的元素,并用其为首元素构造一个新的数组min_idx=nums.index(min(nums))nums=nums[min_idx:]+nums[:min_idx]L=[n-1]+[0]*(n-1)# 循环来看,右侧 nums[0] 是更小的元素,但不一定...
LeetCode977.有序数组的平方 1.问题描述 给你一个按 非递减顺序 排序的整数数组 nums ，返回 每个数字的平方 组成的新数组，要求也按 非递减顺序 排序。示例 1： 9 1 2 3 4 输入：nums = [-4,-1,0,3,10]输出：[0,1,9,16,100]解释：平方后，数组变为 [16,1,0,9,100]排序后，数组变为 ...
Will array B have negative numbers? 1 Reply Share Report Injy Sarhan 1179 Last Edit: November 7, 2020 7:25 PM Read More Python 🐍 solution based on @popeye_the_sailort great answer. ---> Check my GitHub for more solved Google Qs (OA + Qs not available on LC)https://github.com/...
Python3: classSolution:defintersection(self,nums1:List[int],nums2:List[int])->List[int]:returnlist(set(nums1)&set(nums2))# 两个数组先变成集合,求交集后还原为数组 Go: funcintersection(nums1[]int,nums2[]int)[]int{m:=make(map[int]int)for_,v:=rangenums1{m[v]=1}varres[]int// ...