WriteUp - Maple_root -CISCN2021 总结 总得分:3400 总排名:203 赛区排名:21 第一次认真参加正式的CTF,24+3小时的脑血栓比赛时长,收获还是很多的. 开卷 WEB easy_sql Sqlmap -r /root/wordlist/table.txt -p uname -D security --tables Sqlmap直接跑出两张表(flag, user) 单跑不出列名 回去找到sqlmap的payload uname=admin') RLIKE…
题目描述 It's universally acknowledged that there're innumerable trees in the campus of HUST. Thus a professional tree manager is needed. Your task is to write a program to help manage the trees. Initially, there are n forests and for the i-th forest the…
问题描述 第14届中北大学程序设计竞赛来了,集训队新买了一大堆气球,气球一共有K种颜色(1<=K<=256),气球的颜色从1-K编号. ZBT童心未泯,他发明了一种摆放气球的游戏,规则如下. 一排有N个桌子,每张桌子上只有一个气球插孔,即每张桌子最多只能放一个气球.编号分别为1-N(1<=N<=100000),每张桌子一开始是空的.现在对这张桌子要进行M次操作(1<=M<=100000),操作的种类一共有2种. 操作1: 操作指令格式: CHANGE L R C 操作含…
A - Beauty of Trees 题意: 链接:https://www.nowcoder.com/acm/contest/119/A来源:牛客网 Beauty of Trees 时间限制:C/C++ 2秒,其他语言4秒 空间限制:C/C++ 131072K,其他语言262144K 64bit IO Format: %lld 题目描述 It’s universally acknowledged that there’re innumerable trees in the campus of…
链接:https://www.nowcoder.com/acm/contest/119/F来源:牛客网 Beautiful Land 时间限制:C/C++ 1秒,其他语言2秒 空间限制:C/C++ 131072K,其他语言262144K 64bit IO Format: %lld 题目描述 It’s universally acknowledged that there’re innumerable trees in the campus of HUST. Now HUST got a big…
链接:https://www.nowcoder.com/acm/contest/106/K 来源:牛客网 题目描述 It's universally acknowledged that there're innumerable trees in the campus of HUST. Now you're going to walk through a large forest. There is a path consisting of N stones winding its way to…
链接:https://www.nowcoder.com/acm/contest/106/J 来源:牛客网 题目描述 It's universally acknowledged that there're innumerable trees in the campus of HUST. And there are many different types of trees in HUST, each of which has a number represent its type. The doc…
链接:https://www.nowcoder.com/acm/contest/106/B 来源:牛客网 题目描述 It's universally acknowledged that there're innumerable trees in the campus of HUST. One day Xiao Ming is walking on a straight road and sees many trees line up in the right side. Heights of e…
It’s universally acknowledged that there’re innumerable trees in the campus of HUST.Now HUST got a big land whose capacity is C to plant trees. We have n trees which could be plant in it. Each of the trees makes HUST beautiful which determined by the…
链接:https://www.nowcoder.com/acm/contest/106/K来源:牛客网 题目描述 It’s universally acknowledged that there’re innumerable trees in the campus of HUST. Now you're going to walk through a large forest. There is a path consisting of N stones winding its way to t…