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摘要： Consider a group of N students and P courses. Each student visits zero, one or more than one courses. Your task is to determine whether it is possible 阅读全文

摘要： Give you a matrix(only contains 0 or 1),every time you can select a row or a column and delete all the '1' in this row or this column . Your task is t 阅读全文

摘要： As we all know, machine scheduling is a very classical problem in computer science and has been studied for a very long history. Scheduling problems d 阅读全文

摘要： the second year of the university somebody started a study on the romantic relations between the students. The relation “romantically involved” is def 阅读全文

摘要： 先奉上科普文一篇，估计得等到大二学校才给上这种课吧A记录（主机名解析）CNAME(别名解析） 第一步： 1）登陆Godaddy账户，在产品列表，点击"域名"->进入"管理DNS". 2)下图箭头指示的是我们需要添加的两个新的解析记录，一开始只有默认的最后两个哟，我们添加新的解析记录，点击"添加",选 阅读全文

摘要： 这篇别给我再封了 我就因为这篇被csdn锁了两次啊~~~~【这是如何借助wordpress搭建独立博客中的一个小步骤，当然其实登陆了cpanel以后，实现过程都一样 先照例奉上链接 wordpress下载链接 第一步： 1）在登陆cpanel后，我们先找到“数据库”，点击“MySQl数据库”（自己是 阅读全文

摘要： 过山车Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 23353 Accepted Submission(s): 10128Probl... 阅读全文

摘要： 基本思想：先初始化匹配M为空，找到图中的一条相对于M的增广路P。对P上的路径取反，更新M,。再次寻找增广路，若不存在增广路算法结束。（有一点点稍微难理解，自己手动模拟一下这个过程就知道啦）#include#include#define N 101int book[N],match[N];int e[... 阅读全文

摘要： Theme SectionProblem DescriptionIt's time for music! A lot of popular musicians are invited to join us in the music festival. Each of them will play o... 阅读全文

摘要： Best RewardProblem DescriptionAfter an uphill battle, General Li won a great victory. Now the head of state decide to reward him with honor and treasu... 阅读全文