摘要:
Christmas Time limit : 2sec / Memory limit : 1024MB Score : 400 points Problem Statement In some other world, today is Christmas. Mr. Takaha decides t 阅读全文
摘要:
Look-and-say sequence is a sequence of integers as the following: where D is in [0, 9] except 1. The (n+1)st number is a kind of description of the nt 阅读全文