摘要:
Prime TimeEuler is a well-known matematician, and, among many other things, he discovered that the formula n 2 + n + 41 produces a prime for 0 ≤ n #in... 阅读全文
摘要:
http://codeforces.com/problemset/problem/540/BSchool MarksTime Limit:2000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeCodeF... 阅读全文