題目描述: 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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題目描述: 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 ...
題目: 輸入描述:每組的第一行包含一個整數n(1<=n<=23),第二行包含n個整數(1<= 整數 <= 23) 輸出描述: 對每個測試實例,要求輸出能組成24點的所有子集合的數量(子集合相互不同)。如果不存在,則輸出0。每個測試實例的輸出占用一行。 示例: 輸入 ...
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 退出並保存 # chmod +x xx.sh # ./xx.sh ...
引言 Coding 問題中有時會出現這樣的問題:給定一個集合,求出這個集合所有的子集(所謂子集,就是包含原集合中的一部分元素的集合)。 或者求出滿足一定要求的子集,比如子集中元素總和為定值,子集元素個數為定值等等。 我把它們歸類為子集系列問題。 這篇博文作為子集系列第一篇,着重討論最傳統 ...