Training: Encodings I (Training, Encoding) We intercepted this message from one challenger to another, maybe you can find out what they were talking about. To help you on your progress I coded a small java application, called JPK. Note: The message i…

In this little training challenge, you are going to learn about the Robots_exclusion_standard.The robots.txt file is used by web crawlers to check if they are allowed to crawl and index your website or only parts of it.Sometimes these files reveal th…

A:签到题 B!:搜索+DP #include<bits/stdc++.h> #define mp make_pair #define pi pair<int,int> using namespace std; ]={-,,,}; ]={,,-,}; ][][],v[][],a[][],bx,by,ex,ey,n,m,l; pi q[]; ]; void bfs(int k) { ,r=; ; i<=n; i++) ; j<=m; j++) if (a[i][j]) {…

A:约瑟夫环 套公式 B:线性筛素数 C:投骰子 概率DP F:有权无向图的生成树(边最大值和最小值只差最小) 直接kruskal G:状压BFS或者双向BFS H:模拟题 I:几何题 J:高斯消元…

A:二分答案 如果中位数比目前的大就right=mid-1 else left=mid+1 C!:几何 G:优先队列贪心 #include <bits/stdc++.h> using namespace std; typedef long long LL; typedef pair<LL, int> pii; ]; int main() { scanf("%d%d", &n, &k); ; i <= n; i++) { scanf(&quo…

A:正着DFS一次处理出每个节点有多少个优先级比他低的(包括自己)作为值v[i] 求A B 再反着DFS求优先级比自己高的求C #include <bits/stdc++.h> #include <cstring> #include <iostream> #include <algorithm> #define EPS 1.0e-9 #define PI acos(-1.0) #define INF 30000000 #define MOD 10000000…

A!:UESTC1752 B!:找区间内L到R之间内的数的个数  权值分块加莫队 C!:给你一个哈斯图 去掉其中的几条边 要求输出字典序最大的拓扑排序:线段树模拟拓扑排序 D!:要求你找到最短路树并输出 E:SG函数 F:求出偶数和奇数的个数套公式 G:要求你从两个set里找出符合要求两个数 找规律 I:找规律 用二进制模拟生成的规律 J:找规律 直接暴力模拟次数%周期后剩下的 K:区间DP/贪心 尽量把最小的给最大位 L:一棵树中各个节点被染上了c[i]颜色; 让你在一棵树中随便选一个节点作为…

This is the most basic image stegano I can think of. 解题: 一张小图片,文本方式打开.…

Timing delays in a double data rate (DDR) dynamic random access memory (DRAM) controller (114, 116) are trained. A left edge of passing receive enable delay values is determined (530). A final value of a receive data strobe delay value and a final va…

Area of Mushroom Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2390    Accepted Submission(s): 578 Problem Description Teacher Mai has a kingdom with the infinite area. He has n students guard…