Some courses may have prerequisites, for example to take course 0 you have to first take course 1, which...To take course 1 you should have finished course 0....To take course 1 you should have finished course 0, and to take course 0 you should also have finished...course 1.
n个点（n<=1000）大小范围[0,100]，改变一些点的值，使得极差不超过17，代价为改变值的平方。
Course Schedule Desicription 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 have to first take course 1, which...To take course 1 you should have finished course 0. So it is possible....To take course 1 you should have finished course 0, and to take course 0 you should also...have finished course 1.
Now given the student name lists of all the courses, you are supposed to output the registered course...the first line contains 2 positive integers: N (≤40,000), the number of students who look for their course...student name lists are given for the courses (numbered from 1 to K) in the following format: for each course...i, first the course index i and the number of registered students Ni (≤200) are given in a line.
Now given the registered course list of each student, you are supposed to output the student name lists...number C (≤20) which is the number of courses that this student has registered, and then followed by C course...Specification: For each test case, print the student name lists of all the courses in increasing order of the course...For each course, first print in one line the course number and the number of registered students, separated...然而PTA上显示我并没做过这道题，仔细一看发现这题只是跟【PAT甲级】Course List for Student特别像，就是把输入输出颠倒了一下。
周一到周五，每天一篇，北京时间早上7点准时更新~ First, we do not pretend here that we will cover everyt...
Some courses may have prerequisites, for example to take course 0 you have to first take course 1, which...To take course 1 you should have finished course 0....So the correct course order is [0,1] ....To take course 3 you should have finished both courses 1 and 2....Both courses 1 and 2 should be taken after you finished course 0.
This is the first post of my own TypeScript crash course, chances that it's your jam, stay tune;) public
LeetCode第207题–Course Schedule 原题 给出课程总数，用不同整数编号表示不同课程，用一个二维数组表示多组先修课程的顺序对。
本来是在找一些有趣的关于mlsys的paper，突然发现，相比我刚刚读Ph.D.那会，这个domain变得越来越火了，包括MLSys2022，OSDI2022好...
核心；相反的，title代触碰到图片显示的是什么 alt代表图片不能显示的时候出现的是什么
(Course text) Learning Outcomes: Should be able to describe, and implement, the major algorithms for
Some courses may have prerequisites, for example to take course 0 you have to first take course 1, which...To take course 1 you should have finished course 0....To take course 3 you should have finished both courses 1 and 2....Both courses 1 and 2 should be taken after you finished course 0....So one correct course order is [0,1,2,3]. Another correct ordering is[0,2,1,3].
Binary number system,instruction set architecture,computer organisation On completion of this course...A previous course in discrete mathematics is strongly recommended....professional practice,ethics Informatics 2D - Reasoning and Agents (INFR08010) KEYWORDS: SEM2 This course
是个文件上传，首先我们可以想到的是上传一个php木马，然后上传，判断是什么过滤，进行bypass
题意：有n门课程，就是n个顶点，有m个对应关系：x,y，表示只有先上了y,才能上x。也就是x到y有一条有向边。问你求是否存在环。
1644: [Usaco2007 Oct]Obstacle Course 障碍训练课 Time Limit: 5 Sec Memory Limit: 64 MB Submit: 383 Solved
Course List for Student (25) 时间限制 200 ms 内存限制 65536 kB...Now given the student name lists of all the courses, you are supposed to output the registered course...the first line contains 2 positive integers: N (<=40000), the number of students who look for their course...student name lists are given for the courses (numbered from 1 to K) in the following format: for each course...i, first the course index i and the number of registered students Ni (<= 200) are given in a line.
和这道题目一样：https://www.cnblogs.com/dacc123/p/12306344.html
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