Implement strStr().Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack.思路:注意,在for循环中条件有计算得到的负数时, ...
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其他好文 时间:
2015-05-22 23:54:11
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133
No.146 LRU CacheDesign and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(ke...
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系统相关 时间:
2015-05-22 18:47:57
阅读次数:
180
Using operators Operators can be used to implement any combinational circuit. However, as willbecome apparent later, complex circuits are usually eas....
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其他好文 时间:
2015-05-20 23:45:34
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205
Implement atoi to convert a string to an integer.
Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below and ask yourself what are the possible input ca...
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其他好文 时间:
2015-05-20 11:21:31
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157
Problem:高效率实现“字符串中是否有重复字符”
Implement an algorithm to determine if a string has all unique characters. What if you
can not use additional data structures?
#include
#include
#include
#include
#include
#include
#incl...
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其他好文 时间:
2015-05-19 13:14:16
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119
String to Integer (atoi)Implement atoi to convert a string to an integer.Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below and ask yourself what are th...
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其他好文 时间:
2015-05-18 16:52:50
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125
Implement int sqrt(int x).Compute and return the square root of x.解题思路一: public int mySqrt(int x) { return (int)Math.sqrt(x); }神奇般的Accept...
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编程语言 时间:
2015-05-16 20:24:52
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170
题目描述:Implement strStr().Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. Update (2014-11-02):...
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编程语言 时间:
2015-05-16 11:41:20
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131
目录目录
概述
Trie树基本实现
定义Trie树节点
添加操作
查询word是否在Trie树中
AC完整代码概述Trie树,又称为字典树、单词查找树或者前缀树,是一种用于快速检索的多叉数结构。例如,英文字母的字典树是26叉数,数字的字典树是10叉树。
Trie树的基本性质有三点,归纳为:
根节点不包含字符,根节点外每一个节点都只包含一个字符。
从根节点到某一节点,路径上经过的字符连接起来,为该节...
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其他好文 时间:
2015-05-15 15:36:54
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123
本文是在学习中的总结,欢迎转载但请注明出处:http://blog.csdn.net/pistolove/article/details/45739753
Reverse a singly linked list.
click to show more hints.
Hint:
A linked list can be reversed either iteratively or recursively. Could you implement both?
思...
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其他好文 时间:
2015-05-15 09:07:25
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122