在RGW里面每个存储到rados的Object都需要先计算出对应元数据存储的shard number，之后再将元数据信息更新到shard number对应的Object里面。代码如下所示int RGWRados::get_bucket_index_object(const string& bucket_o...

很好的一道题，巧用kmp，我是绕了好久,想出来思路但是没结合hash优化，超时#include<iostream>#include<cstdio>#include<cstring>using namespace std;char ch[1000005];int next[1000005];int hash......

Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all u

题目：Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two number...