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Write a function that takes a string as input and returns the string reversed. Example:Given s = "hello", return "olleh". Write a function that takes 阅读全文
posted @ 2019-04-09 17:06
MarkLeeBYR
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Given two binary strings, return their sum (also a binary string). For example,a = "11"b = "1"Return "100". 和415的解法一样 class Solution { public String a 阅读全文
posted @ 2019-04-09 16:42
MarkLeeBYR
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Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For example,"A man, a plan, a canal: Pan 阅读全文
posted @ 2019-04-09 16:42
MarkLeeBYR
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Write a function to find the longest common prefix string amongst an array of strings. class Solution { public String longestCommonPrefix(String[] str 阅读全文
posted @ 2019-04-09 16:39
MarkLeeBYR
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Given a string s and a non-empty string p, find all the start indices of p's anagrams in s. Strings consists of lowercase English letters only and the 阅读全文
posted @ 2019-04-09 16:37
MarkLeeBYR
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The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font 阅读全文
posted @ 2019-04-09 16:36
MarkLeeBYR
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Input: version1 = "0.1", version2 = "1.1" Output: -1 Input: version1 = "7.5.2.4", version2 = "7.5.3" Output: -1 public int compareVersion(String versi 阅读全文
posted @ 2019-04-09 16:35
MarkLeeBYR
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Given a singly linked list, determine if it is a palindrome. public class Solution { public boolean isPalindrome(ListNode head) { ListNode fast = head 阅读全文
posted @ 2019-04-09 16:31
MarkLeeBYR
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Write a function to delete a node (except the tail) in a singly linked list, given only access to that node. Supposed the linked list is 1 -> 2 -> 3 - 阅读全文
posted @ 2019-04-09 16:31
MarkLeeBYR
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ExampleGiven: 1 --> 2 --> 6 --> 3 --> 4 --> 5 --> 6, val = 6Return: 1 --> 2 --> 3 --> 4 --> 5 ExampleGiven: 1 --> 2 --> 6 --> 3 --> 4 --> 5 --> 6, val 阅读全文
posted @ 2019-04-09 16:30
MarkLeeBYR
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