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相似题目：Palindrome NumberValid PalinDromeReverseLinked ListPalindrome Linked ListGiven a string, determine if it is a palindrome, considering only alphan... 阅读全文
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Write a program to find the node at which the intersection of two singly linked lists begins.For example, the following two linked lists:A: a... 阅读全文
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Compare two version numbersversion1andversion2.Ifversion1>version2return 1, ifversion1version2返回 1, ifversion1str2.length?str1.length:str2.length; ... 阅读全文
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1.String的split()方法。 String str.split("***")方法，用的是正则匹配。因此如果要用特殊字符来分割字符串时要用到转义字符。常用的分割字符的转义形式如下：String version1 = "345.4567";String[] str1 = version1.s... 阅读全文
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Given a positive integer, return its corresponding column title as appear in an Excel sheet.For example: 1 -> A 2 -> B 3 -> C ... 26 ->... 阅读全文
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Given an array of sizen, find the majority element. The majority element is the element that appears more than⌊ n/2 ⌋times.You may assume that the arr... 阅读全文
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Given a column title as appear in an Excel sheet, return its corresponding column number.For example: A -> 1 B -> 2 C -> 3 ... Z -> 26 ... 阅读全文
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Given an integern, return the number of trailing zeroes inn!.问题描述：给出一个正整数n，计算n!结构后面有几个0.要求：在多项式时间中完成算法。常规思路：计算n!，然后统计一下后面有几个0，但是这种算法一想就知道肯定会超出时间限制。巧妙思... 阅读全文
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Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following process: Starting with any positive integer... 阅读全文
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Remove all elements from a linked list of integers that have value val. ExampleGiven: 1 --> 2 --> 6 --> 3 --> 4 --> 5 --> 6, val = 6Return: 1 --> 2 -- 阅读全文