<DRAFT!> OpenSSL 有关密钥的那些事儿（HOWTO keys） 1. 介绍（Introduction） Keys are the basis of public key algorithms and PKI. Keys usually come in pairs, with one h ...
分类：
其他好文 时间：
2017-07-29 17:39:02
阅读次数：
194
Given an array of integers and an integer k, you need to find the number of unique k-diff pairs in the array. Here a k-diff pair is defined as an inte ...
分类：
其他好文 时间：
2017-07-29 16:36:32
阅读次数：
170
题目： Given a list of airline tickets represented by pairs of departure and arrival airports [from, to], reconstruct the itinerary in order. All of the ...
分类：
编程语言 时间：
2017-07-28 17:10:54
阅读次数：
235
题目： There are a total of n courses you have to take, labeled from 0 to n - 1. Some courses may have prerequisites, for example to take course 0 you ha ...
分类：
编程语言 时间：
2017-07-27 13:35:56
阅读次数：
124
There are N integers (1<=N<=65537) A1, A2,.. AN (0<=Ai<=10^9). You need to find amount of such pairs (i, j) that 1<=i<j<=N and A[i]>A[j]. Input The fi ...
分类：
编程语言 时间：
2017-07-26 22:00:23
阅读次数：
234
Problem Description Given two integers n and m, count the number of pairs of integers (a,b) such that 0 < a < b < n and (a^2+b^2 +m)/(ab) is an intege ...
分类：
移动开发 时间：
2017-07-26 13:44:55
阅读次数：
208
The D-pairs of a string of letters are the ordered pairs of letters that are distance D from each other. A string is D-unique if all of its D-pairs ar ...
分类：
其他好文 时间：
2017-07-26 09:40:54
阅读次数：
117
题目原文： Nuts and bolts. A disorganized carpenter has a mixed pile of n nuts and n bolts. The goal is to find the corresponding pairs of nuts and bolts. ...
分类：
编程语言 时间：
2017-07-25 21:09:34
阅读次数：
224
题目： B - Pairs Forming LCM Time Limit:2000MS Memory Limit:32768KB Description Find the result of the following code: long long pairsFormLCM( int n ) {l ...
分类：
其他好文 时间：
2017-07-25 19:55:56
阅读次数：
205
Problem statement You are given n pairs of numbers. In every pair, the first number is always smaller than the second number. Now, we define a pair (c ...
分类：
其他好文 时间：
2017-07-25 10:34:27
阅读次数：
225
