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Given a non-empty string containing an out-of-order English representation of digits 0-9, output the digits in ascending order. Note: Example 1: Examp 阅读全文
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You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/ve 阅读全文
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这个题为《编程珠玑》中提到的算法，解题思路和桶排序/基数排序一样，适用于大量没有重复的数据。 结题思路： 1.遍历整个数据文件，每提取一个数据，在BitMap中对应的位置赋1 2.遍历BitMap的每一位，为1的位置上输出其再BitMap中的坐标 阅读全文
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Count the number of segments in a string, where a segment is defined to be a contiguous sequence of non-space characters. Please note that the string 阅读全文
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Given an 2D board, count how many different battleships are in it. The battleships are represented with 'X's, empty slots are represented with '.'s. Y 阅读全文
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Given a string, find the length of the longest substring without repeating characters. Examples: Given "abcabcbb", the answer is "abc", which the leng 阅读全文
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首先想到的是走到其中一个链表的尽头，然后把剩余的链表中的值放入写的链表，返回，但是自己写的代码好长。 Python: 阅读全文
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1. Two SumGiven an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input wou 阅读全文