题目描述: Given a set of distinct positive integers, find the largest subset such that every pair (Si, Sj) of elements in this subset satisfies: Si % Sj ...
Given a set of distinct positive integers, find the largest subset such that every pair Si, Sj of elements in this subset satisfies: Si Sj or Sj Si . If there are multiple solutions, return any subse ...
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题目描述: Given a set of distinct positive integers, find the largest subset such that every pair (Si, Sj) of elements in this subset satisfies: Si % Sj ...
Given a set of distinct integers, S, return all possible subsets. Note: Elements in a subset must be in non-descending order. The solution ...
题目: 输入描述:每组的第一行包含一个整数n(1<=n<=23),第二行包含n个整数(1<= 整数 <= 23) 输出描述: 对每个测试实例,要求输出能组成24点的所有子集合的数量(子集合相互不同)。如果不存在,则输出0。每个测试实例的输出占用一行。 示例: 输入 ...
Given a collection of integers that might contain duplicates, S, return all possible subsets. Note: Elements in a subset must ...
We are given two arrays `A` and `B` of words. Each word is a string of lowercase letters. Now, say that word b is a subset of word a if every ...
Given an array nums of integers, we need to find the maximum possible sum of elements of the array such that it is divisible by three. Example ...
# vi xx.sh 退出并保存 # chmod +x xx.sh # ./xx.sh ...
引言 Coding 问题中有时会出现这样的问题:给定一个集合,求出这个集合所有的子集(所谓子集,就是包含原集合中的一部分元素的集合)。 或者求出满足一定要求的子集,比如子集中元素总和为定值,子集元素个数为定值等等。 我把它们归类为子集系列问题。 这篇博文作为子集系列第一篇,着重讨论最传统 ...