YuriFLAG

摘要： You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single 阅读全文

摘要： You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single 阅读全文

摘要： Given a sorted array of n integers, find the starting and ending position of a given target value. If the target is not found in the array, return [-1 阅读全文

摘要： Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in or 阅读全文

摘要： Given a string s, partition s such that every substring of the partition is a palindrome. Return all possible palindrome partitioning of s. For exampl 阅读全文

摘要： Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the hist 阅读全文

摘要： Given a list of words and an integer k, return the top k frequent words in the list. You should order the words by the frequency of them in the return 阅读全文

摘要： Write a program to check whether a given number is an ugly number`. Ugly numbers are positive numbers whose prime factors only include 2, 3, 5. For ex 阅读全文

摘要： Given k sorted integer arrays, merge them into one sorted array. Challenge Do it in O(N log k). N is the total number of integers. k is the number of 阅读全文

摘要： Write a method anagram(s,t) to decide if two strings are anagrams or not. Example Given s="abcd", t="dcab", return true. 根据定义可知，两个字符串为anagrams，则每个字符出现 阅读全文