摘要:
http://poj.org/problem?id=1179 Description Polygon is a game for one player that starts on a polygon with N vertices, like the one in Figure 1, where 阅读全文
摘要:
题目 A message containing letters from A-Z is being encoded to numbers using the following mapping: ‘A’ -> 1 ‘B’ -> 2 … ‘Z’ -> 26 Given an encoded messa 阅读全文