题目1 : String reorder 时间限制:10000ms 单点时限:1000ms 内存限制:256MB Description For this question, your program is required to process an input string containing only ASCII characters between '0' and '9', or between 'a' and 'z' (including '0', '9', 'a', 'z'). Y…

时间限制:10000ms 单点时限:1000ms 内存限制:256MB Description Consider a string set that each of them consists of {0, 1} only. All strings in the set have the same number of 0s and 1s. Write a program to find and output the K-th string according to the dictionary…

Time Limit: 10000msCase Time Limit: 1000msMemory Limit: 256MB Description Consider a string set that each of them consists of {0, 1} only. All strings in the set have the same number of 0s and 1s. Write a program to find and output the K-th string ac…

T1: 题目描述 你正在使用过时的浏览器,洛谷暂不支持. 请 升级浏览器 以获得更好的体验! Bob 来到了一个 $n \times m$ 的网格中,网格里有 $k$ 个豆子,第 $i$ 个豆子位于 $(x_i, y_i)$,保证没有两个豆子在同一个格子里,$(1, 1)$ 处和 $(n, m)$ 处没有豆子. Bob 从左上角 $(1, 1)$ 出发,目的地是右下角 $(n, m)$.每次以向右或向下走一步,也就是说他到达终点时一共会走 $n + m - 2$ 步. 贪吃的 Bob 决定吃掉所…

Time Limit:10000ms Case Time Limit:1000ms Memory Limit:256MB Description For this question, your program is required to process an input string containing only ASCII characters between '0' and '9', or between 'a' and 'z' (including '0', '9', 'a', 'z'…

Domain 解释一下同源策略 同源策略,那些东西是同源可以获取到的 如果子域名和顶级域名不同源,在哪里可以设置叫他们同源 如何设置可以跨域请求数据?jsonp是做什么的? Ajax Ajax是否遵循同源策略? json注入如何利用 浏览器策略 不同浏览器之间,安全策略有哪些不同,比如chrome,firefox,IE CSP是什么?如何设置CSP? SQLi 如何判断sql注入,有哪些方法 为什么有的时候没有错误回显,用php举例 宽字符注入的原理?如何利用宽字符注入漏洞,payload如何构…

问题描述: Time Limit: 10000msCase Time Limit: 1000msMemory Limit: 256MB DescriptionFor this question, your program is required to process an input string containing only ASCII characters between ‘0’ and ‘9’, or between ‘a’ and ‘z’ (including ‘0’, ‘9’, ‘a…

Domain 解释一下同源策略 同源策略,那些东西是同源可以获取到的 如果子域名和顶级域名不同源,在哪里可以设置叫他们同源 如何设置可以跨域请求数据?jsonp是做什么的? Ajax Ajax是否遵循同源策略? json注入如何利用 浏览器策略 不同浏览器之间,安全策略有哪些不同,比如chrome,firefox,IE CSP是什么?如何设置CSP? SQLi 如何判断sql注入,有哪些方法 为什么有的时候没有错误回显,用php举例 宽字符注入的原理?如何利用宽字符注入漏洞,payload如何构…

本问题出自:微软2014实习生及秋令营技术类职位在线测试 (Microsoft Online Test for Core Technical Positions) Description Find a pair in an integer array that swapping them would maximally decrease the inversion count of the array. If such a pair exists, return the new inversio…

本问题出自:微软2014实习生及秋令营技术类职位在线测试 (Microsoft Online Test for Core Technical Positions) Description For this question, your program is required to process an input string containing only ASCII characters between '0' and '9', or between 'a' and 'z' (includi…