题目描述 Given a complete binary tree, count the number of nodes. Definition of a complete binary tree from Wikipe…

46. Permutations 题目 Given a collection of distinct numbers, return all possible permutations. For example, [1,…

  There are N network nodes, labelled 1 to N. Given times, a list of travel…

题目： You are given a string, S, and a list of words, L, that are all of the same length. Find all sta…

  Given two arrays, write a function to compute their intersection. Example 1: Input: nums1 = [1,2,2,1], …

  Given a list of sorted characters letters containing only lowercase letters, and given a targ…

欢迎fork and star：Nowcoder-Repository-github 115. Distinct Subsequences 题目 Given a string S and a string T, coun…

  Given an unsorted integer array, find the smallest missing positive integer. Example 1: Input: [1,…

  Given an array of integers A and let n to be its length. Assume Bk to be …

  Given four lists A, B, C, D of integer values, compute how many tuples (i, j, k, l) there are…

1. 题目 Divide two integers without using multiplication, division and mod operator. If it is overflow, return M…

1. 题目 Given a string, find the length of the longest substring without repeating characters. Examples: Given &…