题目链接:https://leetcode.com/problems/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, ple...
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其他好文 时间:
2015-06-21 14:30:06
阅读次数:
142
Next Permutation
欢迎大家阅读参考,如有错误或疑问请留言纠正,谢谢
Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.
If such arrangement is n...
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其他好文 时间:
2015-06-21 13:13:09
阅读次数:
130
题目:Implement the following operations of a stack using queues.push(x) -- Push element x onto stack.pop() -- Removes the element on top of the stack.to...
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编程语言 时间:
2015-06-20 13:08:12
阅读次数:
119
1. 问题描述 用队列来模拟栈的操作。实现如下栈操作:
push(x) 将元素x入栈。
pop() 出栈。
top() 获取栈顶元素。
empty() 判断是否为空。
注意:只能用队列的标准操作,队头取元素,队尾插入元素,获取队列的大小,以及队列是否为空。2 方法和思路 可以用两个队列q1和q2来实现栈的操作,设q2为辅助队列。
入栈时将元素都存入q1队列中。
出栈时将q1中...
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其他好文 时间:
2015-06-20 12:00:50
阅读次数:
123
题目:Implement a basic calculator to evaluate a simple expression string.The expression string may contain open(and closing parentheses), the plus+or mi...
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编程语言 时间:
2015-06-20 11:46:17
阅读次数:
185
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):
The signature of the function had been updat...
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其他好文 时间:
2015-06-19 11:51:37
阅读次数:
86
/*只获取本地连接的网卡信息,并不获取无线网卡和虚拟网卡的信息,要想获取无线网卡的信息,需把if(strstr(pAdapter->Description,"PCI")>0 && pAdapter- >Type==MIB_IF_TYPE_ETHERNET)改成if(strstr(pAdapter->Type==71),若要获取虚拟网卡的信息,需把if(strstr(pAdapter->Descrip...
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其他好文 时间:
2015-06-19 10:26:45
阅读次数:
134
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set. get(key) - Get the...
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系统相关 时间:
2015-06-19 07:50:56
阅读次数:
247
leetcode 225: Implement Stack using Queues
python java c++...
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其他好文 时间:
2015-06-19 01:32:31
阅读次数:
123
Single Number
Given an array of integers, every element appears twice except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it ...
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其他好文 时间:
2015-06-18 17:26:45
阅读次数:
93