https://leetcode.com/problems/combination-sum/ Given a set of candidate numbers (C) (without duplicates) and a target number (T), find all unique combinations in C where the candidate numbers sums to T. The same repeated number may be chosen from C unlimited number of times. Note: All ...
ret = []foriinrange(n):# 枚举第一个元素重复的话需要跳过ifi >0andnums[i] == nums[i-1]:continue# 获取3 Sum的结果# 由于3 Sum当中做了防止重复的判断,所以不需要判断重复sub_ret = self.three_sum(nums[i+1: ], target - nums[i])forsubsetinsub_ret: ret.append([nums[i]] + subset)...
}boolean[] flag =newboolean[nums.length];returndfs(nums,flag,k,sum /k,0,0); }publicbooleandfs(int[] nums ,boolean[] flag ,intk ,intsubset ,intcurSubset ,intposition){if(k ==0) {returntrue; }if(subset == curSubset) {returndfs(nums,flag,k-1,subset,0,0); }for(inti=position ...
leetcode.com/problems/4sum 难度 Medium 描述 Given an array nums of n integers and an integer target, are there elements a , b , c , and d in nums such that a + b + c + d = target? Find all unique quadruplets in the array which gives the sum of target. 给定一个n个整数的...
这是一个套题,和416. Partition Equal Subset Sum,473. Matchsticks to Square基本一致的代码,上面的两个题分别是求平分成2份和4份。这个是任意的k份。所以改成了k组数字记录的div,最后看是否能够正好进行平分。
leetcode211添加与搜索单词- 数据结构设计[复习Trie结构和dfs][Python] 134 -- 7:01 App leetcode143链表三合一练习题[Reorder List][Python] 100 -- 6:26 App leetcode208一道题学会Trie结构[Implement Trie(Prefix Tree)][Python] 293 -- 4:28 App leetcode78子集[Subset][Python] 160 -- 4:25 ...
1845. 座位预约管理系统 Seat Reservation Manager 力扣 LeetCode 每日一题 题解 优先队列 最小堆 大根堆 03:35 2286. 以组为单位订音乐会的门票 Booking Concert Tickets in Groups 力扣每日一题 LeetCode 题解 [线段树] 26:02 2516. 每种字符至少取 K 个 Take K of Each Character From Left and Rig...
416 Partition Equal Subset Sum 分割等和子集 Description: Given a non-empty array nums containing only positive integers, find if the array can be partitioned into two subsets such that the sum of elements in both subsets is equal. Example: ...
https://leetcode.cn/problems/partition-equal-subset-sum 给你一个 只包含正整数 的 非空 数组 nums 。请你判断是否可以将这个数组分割成两个子集,使得两个子集的元素和相等。 示例1: 输入:nums = [1,5,11,5] 输出:true 解释:数组可以分割成 [1, 5, 5] 和 [11] 。
链接:https://leetcode-cn.com/problems/partition-equal-subset-sum 著作权归领扣网络所有。商业转载请联系官方授权,非商业转载请注明出处。 思路 这道题属于背包问题。 给定一个数组,把数组中的数分成两组,使得这两组数组的和相等,等价于:在整个数组中,每个数只可以使用一次,找这样一些数,使得这些数的和为整个...