题目Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.If such arrangement is not possible, it must rearrange it as the lowest possible or...
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其他好文 时间:
2015-08-13 18:15:15
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109
QuestionlinkDesign and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- ...
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系统相关 时间:
2015-08-13 08:54:53
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170
题目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 updated to ret...
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其他好文 时间:
2015-08-12 19:29:29
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108
使用起来很方便:1. Implement any number of event handling methods in the subscriber: public void onEvent(AnyEventType event) {} 2. Register subscribers: event...
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其他好文 时间:
2015-08-12 16:40:27
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115
ARRAY;
Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.
If such arrangement is not possible, it must rearrange it as the low...
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其他好文 时间:
2015-08-12 11:31:26
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99
国际惯例,先上题目:Implement the following operations of a queue using stacks.push(x) -- Push element x to the back of queue.pop() -- Removes the element from....
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其他好文 时间:
2015-08-11 11:53:13
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67
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()...
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其他好文 时间:
2015-08-11 11:45:08
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110
1、 字符串输出
Echo()输出一个或多个字符串
Print()输出字符串
Printf()格式化输出字符串
2、 字符串的截取
Substr()对字符串进行指定数量的截取。
Substr(对象,开始位置(从0开始),长度)
Strchr()strstr别名,查找一个字符串在另一个字符串第一次出现,返回字符串到结尾
strchr(对象,查找的字符)
...
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其他好文 时间:
2015-08-11 01:27:50
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127
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 value (will always be positive) of the key if ...
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系统相关 时间:
2015-08-10 20:02:52
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163
借用LeetCode 208. Implement Trie (Prefix Tree)中设计的字典树,特判查询字符为.时的情况即可。
注意:
成员变量的初始化应放在构造函数的initializing list而不是body中,使成员变量只被初始化一次,没有被再次赋值;
使用shared_ptr代替裸指针来管理内存。
代码:
class TrieNode
{
public:
T...
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其他好文 时间:
2015-08-10 12:06:32
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117