leetcode 78 subsets Q: Given a set of distinct integers,nums, return all possible subsets. Note: Elements in a subset must be in non-descending order; The solution set must not contain duplicate subsets. A: recursion problem Java version 1: + View Code...
Leetcode 90 subsets 2, Lintcode Q: Given a collection of integers that might contain duplicates,nums, return all possible subsets. Note: Elements in a subset must be in non-descending order; The solution set must not contain duplicate subsets. java version 1 + View Code...
Write a query in SQL to find out the floor where the maximum no of rooms are available. LeetCode Question subsets Deion: Given a set of distinct integers, nums, return all possible subsets. Input: [1,2,3] Output: [[ ],[1],[1,2],[1,2,3],[1,3 ],[2],[2,3 ],[3]] Assu...
mycode 错误,因为借鉴了Number of Islands问题中的方法,导致在for循环中即使已经出现了答案,也还会继续遍历。但是两个题目的不同时,island需要找出所有的情况,这个题只需要找到第一个完整结果就可以返回 参考: defexist(board, word):""":type board: List[List[str]] :type word: str :rtype: bool"""deffin...
No.78 Subsets Given a set of distinct integers,S, return all possible subsets. Note: Elements in a subset must be in non-descending order.The solution set must not contain duplicate subsets. For example,IfS=[1,2,3], a solution is: ...
Leetcode 28 Implement strStr() Leetcode 28 Q:Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. A: 本题追求代码简单省额外空间则用nested loop; 追去快则用KMP以及其他基于FSA的方法,但是需要额外空间。
Givennpairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, givenn= 3, a solution set is: "((()))", "(()())", "(())()", "()(())", "()()()" 回溯法: 一步一步构造字符串。当左括号出现次数小于n时,还可放置新的左括号...
90 Subsets II JavaScript Medium 89 Gray Code JavaScript Medium 88 Merge Sorted Array JavaScript Explanation Easy 87 Scramble String Hard 86 Partition List JavaScript Explanation Medium 85 Maximal Rectangle JavaScript Hard 84 Largest Rectangle in Histogram JavaScript Hard 83 Remove Duplicates from Sorted Li...
408 Add Binary C++ O(n) O(1) Easy LeetCode 415 Valid Palindrome C++ O(n) O(1) Easy LeetCode 417 Valid Number C++ O(n) O(1) Hard LeetCode Automata 420 Count and Say C++ O(n * 2^n) O(2^n) Easy LeetCode 422 Length of Last Word C++ O(n) O(1) Easy LeetCode 524...
Given a set of distinct integers,nums, return all possible subsets (the power set). Note: The solution set must not contain duplicate subsets. Example: Input: nums = [1,2,3] Output: [ [3], [1], [2], [1,2,3], [1,3], ...