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:
2014-12-12 01:11:43
阅读次数:
374
Try your best to provide an mechanism to implement what you want.1. All happen before compiling-time.1 QObject.connect(sender,SIGNAL(signal()), recive...
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其他好文 时间:
2014-12-10 20:59:27
阅读次数:
350
标题Pow(x, n)通过率26.1%难度中等Implement pow(x,n). 以为只是单纯的求xn,习惯了用java里面的math.pow(x,n),所以我认为传进来的值都是比较正常的,谁知道竟然会传n<0的数。。。。。直接泪奔,然后再尝试。。。发现栈溢出,也就是说单纯的递归或者非递归针对....
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其他好文 时间:
2014-12-10 17:47:13
阅读次数:
153
Spring bean 假设有如下类
public class Service implement IService{
@Transactional(readOnly = false, propagation=Propagation.REQUIRED)
public void methodA(){
.....
methodB()
......
...
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编程语言 时间:
2014-12-09 21:28:23
阅读次数:
278
Implement strStr().
Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack.
int i,j,k;
if(needle[0]=='\0') return 0;
for(i=0;haysta...
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其他好文 时间:
2014-12-09 15:48:41
阅读次数:
113
设计并实现最近最久未使用(Least Recently Used)缓存。链接:https://oj.leetcode.com/problems/lru-cache/题目描述:Design and implement a data structure for Least Recently Used (...
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系统相关 时间:
2014-12-09 15:32:34
阅读次数:
320
问题描述:
Implement pow(x, n).
基本思想:
将求幂转换为求对数的幂 . 如x^n = exp(n*log(x));
代码:
double pow(double x, int n) { //C++
if(x == 0.0)
return 0;
if(n == 0)
return ...
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其他好文 时间:
2014-12-07 15:05:48
阅读次数:
145
1. Which interface you need to implement to support for each?IEnumeratorIEnumerableIComparerIComparableAll of the aboveNone of the above2. What is the...
最近参加了Coursera的课程,Stanford大学的《算法:设计与分析》。这是一门非常值得学习的课程。在老师布置的作业中,有这样一道题目:
The goal of this problem is to implement a variant of the 2-SUM algorithm .
The file contains 1 million integers, both pos...
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编程语言 时间:
2014-12-04 23:15:49
阅读次数:
325
class Solution {
public:
double pow(double x,int n)
{
if(n<0)return 1.0/power(x,-n);
return power(x,n);
}
double power(double x, int n) {
if(n == 0) return 1;
double temp =...
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其他好文 时间:
2014-12-03 21:19:09
阅读次数:
103