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Implementing Stack Using Queue
Question:Implement the following operations of a stack using queues.push(x) -- Push element x onto stack.pop() -- Removes the element on top of the st...
分类:其他好文   时间:2015-07-17 07:07:50    阅读次数:115
[CareerCup] 1.5 Compress String 压缩字符串
1.5 Implement a method to perform basic string compression using the counts of repeated characters. For example, the string aabcccccaaa would become a...
分类:其他好文   时间:2015-07-17 07:07:29    阅读次数:134
Automatic Code Generation-->Implement Interface
https://msdn.microsoft.com/en-us/library/hk90416s(v=vs.110).aspxVS中自带的只能提示,一个类继承自某一个接口。由VS为类生成接口所要求的方法using System;using System.Collections.Generic;us...
分类:其他好文   时间:2015-07-16 16:27:13    阅读次数:115
(LeetCode)两个队列来实现一个栈
原题如下: 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.top() -- Get the top element.empty() -- ...
分类:其他好文   时间:2015-07-16 11:56:13    阅读次数:105
44 Wildcard Matching
44 Wildcard Matching链接:https://leetcode.com/problems/wildcard-matching/ 问题描述: Implement wildcard pattern matching with support for ‘?’ and ‘*’.'?' Matches any single character. '*' Matches any sequen...
分类:其他好文   时间:2015-07-16 11:48:01    阅读次数:106
LeetCode Implement Trie (Prefix Tree) (实现trie树3个函数:插入,查找,前缀)
题意:实现trie树的3个功能,只含小写字母的串。思路:老实做即可! 1 class TrieNode { 2 public: 3 TrieNode* chd[26]; 4 bool flag; 5 // Initialize your data structure her...
分类:其他好文   时间:2015-07-16 00:48:37    阅读次数:150
[CareerCup] 1.2 Reverse String 翻转字符串
1.2 Implement a function void reverse(char *str) in C or C++ which reverses a null-terminated string.这道题让我们用C++或C语言来翻转一个字符串,不算一道难题,在之前那道Reverse Words ...
分类:其他好文   时间:2015-07-16 00:28:29    阅读次数:146
[CareerCup] 1.1 Unique Characters of a String 字符串中不同的字符
1.1 Implement an algorithm to determine if a string has all unique characters. What if you cannot use additional data structure?这道题让我们判断一个字符串中是否有重复的字符...
分类:其他好文   时间:2015-07-15 14:56:26    阅读次数:100
Basic Calculator I
问题描述Implement a basic calculator to evaluate a simple expression string.The expression string may contain open ( and closing parentheses ), the plus +...
分类:其他好文   时间:2015-07-15 14:36:25    阅读次数:116
Pow(x, n)
Implement pow(x,n).思路:这个题虽然简单,但是一开始我也没做利索。我思路不简洁的地方有:1.首先我想到的是符号问题,因此我用了flag来标记x的正负。可实际并不需要。2.其次是n得正负问题,我们不用先计算后取倒数,而是直接取倒数在运算。 1 public double myPow(...
分类:其他好文   时间:2015-07-15 10:54:48    阅读次数:99
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