xinyu04

摘要： Given an array of positive integers nums and a positive integer target, return the minimal length of a contiguous subarray [numsl, numsl+1, ..., numsr 阅读全文

摘要： Given an array of integers nums and an integer k, return the number of contiguous subarrays where the product of all the elements in the subarray is s 阅读全文

摘要： Given two strings s and p, return an array of all the start indices of p's anagrams in s. You may return the answer in any order. An $Anagram$ is a wo 阅读全文

摘要： You have an urn with four balls of different colors. Randomly you draw two at a time, then painting the first ball to match the second. What is the ex 阅读全文

摘要： Given a string s and a dictionary of strings wordDict, add spaces in s to construct a sentence where each word is a valid dictionary word. Return all 阅读全文