【LeetCode】78. Subsets 解题报告(Python & C++) 目录 递归 回溯法 日期 题目地址:https://leetcode.com/problems/subsets/description/ 题目描述 Given a set of distinct integers, nums, return all possible subsets (the power set). Note: The solution set must not contain duplicate subsets. For exam...
[leetcode]Subsets @ Python 原题地址:https://oj.leetcode.com/problems/subsets/ 题意:枚举所有子集。 解题思路:碰到这种问题,一律dfs。 代码: classSolution:#@param S, a list of integer#@return a list of lists of integerdefsubsets(self, S):defdfs(depth, start, valuelist): res.append(valuel...
【leetcode】#数组【Python】78. Subsets 子集 链接: https://leetcode-cn.com/problems/subsets/ 题目: 给定一组不含重复元素的整数数组 nums,返回该数组所有可能的子集(幂集)。 说明:解集不能包含重复的子集。 示例: 输入: nums = [1,2,3] 输出: [ [3], [1], [2], [1,2,3], [1,3], ...
链接:https://leetcode.com/problems/subsets/#/description 4/22/2017 算法班 提到了递归的三要素? 1publicclassSolution {2publicList<List<Integer>> subsets(int[] nums) {3List<List<Integer>> ret =newArrayList<>();45if(nums ==null) {6returnret;7}89Arrays.sort(nums);1011helper(ret,newArrayLis...
题目 链接:https://leetcode.com/problems/subsets/ Level: Medium Discription: Given a set of distinct integers, nums, return all possible subsets (the power set). Example 1: Note: The solution set must not ...Leetcode 78. Subsets Given a set of distinct integers, nums, return all possib...
Python实现: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 classSolution:defsubsets(self,nums):""":type nums:List[int]:rtype:List[List[int]]""" ret=[]lens=len(nums)foriinrange(1<<len(nums)):#1<<len(nums)等价于2**len(nums)ret.append([])#bin(i)[2:].zfill(lens)# 前面默认...
题目地址:https://leetcode.com/problems/partition-to-k-equal-sum-subsets/description/ 题目描述 Given an array of integers nums and a positive integer k, find whether it’s possible to divide this array into k non-empty subsets whose sums are all equal. ...
For more Practice: Solve these Related Problems:Write a Python class that uses recursion to generate all possible unique subsets of a set of distinct integers. Write a Python class that implements an iterative approach to generate the power set of distinct integers and returns it as a list of...
was to show the importance of subtractive reductions for problems in #NP; this idea has been applied for reductions to projecting counting [14]. Our work relies on the recent progress in the development of efficient projected model counters; in particular, we employ GANAK [59], a state-of-...
[leetcode]Subsets II @ Python 原题地址:https://oj.leetcode.com/problems/subsets-ii/ 题意: Given a collection of integers that might contain duplicates,S, return all possible subsets. Note: Elements in a subset must be in non-descending order....