关键词:Array 关键点:递归,当新的递归返回的时候把tmpRes list里的最后一个数字去除 1publicclassSolution2{3publicList<List<Integer>> subsets(int[] nums)4{5//sort nums array6Arrays.sort(nums);7//create res8List<List<Integer>> res =newArrayList<>();9//call recursion function10helper(res,newAr...
代码如下: 1classSolution {2public:3vector<vector<int> > subsets(vector<int> &S)4{5vector<vector<int>>res;6vector<int>midArray;7sort(S.begin(),S.end());8getSubsets(S,0,midArray,res);910returnres;11}1213voidgetSubsets(vector<int> &S,intbeg,vector<int> &midArray,vector<vector<int...
给定一个可能包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: [1,2,2] 输出: [ [2], [1], [1,2,2], [2,2], [1,2], [] ] 来源:力扣(LeetCode) 链接:https://leetcode-cn.com/problems/subsets-ii 著作权归领扣网络所有。商业...
leetcode_medium_array problem 78. Subsets solution #1: code solution #2: 递归; 没看明白这种方法; code 参考 1. leetcode_78. Subsets; 完
For example considerarray=[1,4,5]array=[1,4,5] Answer = 1 + 4 + 5 + 1^4 + 1^5 + 4^5 + 1^4^5Answer = 1 + 4 + 5 + 1^4 + 1^5 + 4^5 + 1^4^5(here '^' denotes bitwise XOR ) Basically harder version ofthis leetcode problem, with nums.length <= 10^5. ...
http://bangbingsyb.blogspot.com/2014/11/leetcode-subsets-i-ii.html 当然,因为是与 1 做与操作,所以我一开始对数列排序后就将他反转,这样才能保证最右侧位对应的是最小值,然后按照升序顺序进行插入操作。 ** 总结: Array, combination, permutation, bit manipulation ...
Given an array of integersnums and a positive integer k, find whether it's possible to divide this array into knon-empty subsets whose sums are all equal. Example 1: Input: nums = [4, 3, 2, 3, 5, 2, 1], k = 4 Output: True ...
A string a from words1 is universal if for every string b in words2, b is a subset of a. Return an array of all the universal strings in words1. You may return the answer in any order. Example: Example 1: Input: words1 = ["amazon","apple","facebook","google","leetcode"],...
LeetCode:N-Queens I II(n皇后问题) N-Queens The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other. Given an integer n, return all disti...90. Subsets II-array 题目分析:以每个位置后边的所有位置与当前位置拼接,事件复杂...
[leetcode]698. Partition to K Equal Sum Subsets [leetcode]698. Partition to K Equal Sum Subsets Analysis 终于抽到敬业福啦 哈哈哈—— [每天刷题并不难0.0] Given an array of integers nums and a positive integer k, find whether it’s possible to divide th... ...