流水依依

摘要： Problem GGood TeacherI want to be a good teacher, so at least I need to remember all the student names. However, there are too many students, so I failed. It is a shame, so I don't want my students to know this. Whenever I need to call someone, I call his CLOSEST student instead. For example, th 阅读全文

摘要： Problem LLast BloodIn many programming contests, special prizes are given to teams who solved a particular problem first. We call the first accepted solution "First Blood".It's an interesting idea to set prizes for "Last Blood". Then people won't submit their solutions un 阅读全文

摘要： Problem CCharacter Recognition?Write a program that recognizes characters. Don't worry, because you only need to recognize three digits: 1, 2 and 3. Here they are:.*. *** ***.*. ..* ..*.*. *** ***.*. *.. ..*.*. *** ***InputThe input contains only one test case, consisting of 6 lines. The f... 阅读全文