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LeetCode 146 LRU Cache
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- Get the valu...
分类:系统相关   时间:2015-06-14 16:23:48    阅读次数:176
LeetCode 208 Implement Trie (Prefix Tree)
Implement a trie withinsert,search, andstartsWithmethods.Note:You may assume that all inputs are consist of lowercase lettersa-z.构建字典树class TrieNode {...
分类:其他好文   时间:2015-06-14 14:58:14    阅读次数:125
【LeetCode】Basic Calculator 解题报告
【题目】 Implement a basic calculator to evaluate a simple expression string. The expression string may contain open ( and closing parentheses ), the plus + or minus sign -, non-negative integer...
分类:其他好文   时间:2015-06-14 12:31:38    阅读次数:122
【LeetCode】Implement Stack using Queues 解题报告
【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.top() -- Get the top element.empty() -- R...
分类:其他好文   时间:2015-06-14 10:59:41    阅读次数:160
Implement Stack using Queues
https://leetcode.com/problems/implement-stack-using-queues/Implement the following operations of a stack using queues.push(x) -- Push element x onto s...
分类:其他好文   时间:2015-06-13 16:54:34    阅读次数:154
LeetCode 225: Implement Stack using Queues
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() -- Return whet...
分类:其他好文   时间:2015-06-13 15:42:34    阅读次数:132
LeetCode Implement Stack using Queues
LeetCode Implement Stack using Queues题目思路就是个模拟; 如果把队头当做栈顶,只是push函数比较麻烦; 如果把队尾当做栈顶,pop和top函数都比较麻烦; 这里采用第一种方法;代码class Stack { public: void push(int x) { Q.push(x); int size = Q.siz...
分类:其他好文   时间:2015-06-13 11:28:37    阅读次数:151
用队列实现stack
用queue实现stack题目要求:Implement the following operationspush(x) -- Push element x onto stack.pop() -- Removes the element on top of the stack.top() -- Get...
分类:其他好文   时间:2015-06-13 07:35:36    阅读次数:209
[LeetCode][JavaScript]Implement Stack using Queues
Implement Stack using QueuesImplement the following operations of a stack using queues.push(x) -- Push element x onto stack.pop() -- Removes the eleme...
分类:编程语言   时间:2015-06-13 01:04:13    阅读次数:249
[NCH 1]
Preview:1.Implement strStr()O(m*n): 1 class Solution 2 { 3 public: 4 int strStr(string haystack,string needle) 5 { 6 for(int i=0;i<=in...
分类:其他好文   时间:2015-06-12 23:42:00    阅读次数:127
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