摘要：
从前只知道输入有外挂，今天才知道输出也有外挂，不过好像hdu还卡这个。。 阅读全文
摘要：
King's Quest Time Limit: 15000MS Memory Limit: 65536K Total Submissions: 10052 Accepted: 3704 Case Time Limit: 2000MS Description Once upon a time the 阅读全文
摘要：
Network of Schools Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 22729 Accepted: 8926 Description A number of schools are connected to a 阅读全文
摘要：
Popular Cows Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 39115 Accepted: 15937 Description Every cow's dream is to become the most popu 阅读全文
摘要：
http://acm.hdu.edu.cn/showproblem.php?pid=4763 http://codeforces.com/problemset/problem/126/B 这两个题都是在考察next的应用。区别在于一个是不能有重叠，一个是可以有重叠。 一级条件，前后缀都存在；二级条件 阅读全文
摘要：
A + B for you again Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 9291 Accepted Submission(s): 阅读全文
摘要：
Period Time Limit: 3000MS Memory Limit: 30000K Total Submissions: 19817 Accepted: 9640 Description For each prefix of a given string S with N characte 阅读全文
摘要：
https://blog.csdn.net/v_july_v/article/details/7041827 阅读全文
摘要：
The Embarrassed Cryptographer Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 15767 Accepted: 4337 Description The young and very promising 阅读全文
摘要：
Primitive Roots Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 5481 Accepted: 3101 Description We say that integer x, 0 < x < p, is a prim 阅读全文