AC之路

Hardwood Species Time Limit: 10000MS   Memory Limit: 65536K Description Hardwoods are the botanical group of trees that have broad leaves, produce a fruit or nut, and generally go dormant in the win

题目描述 The Fairy Ivan gave Saya three problems to solve (Problem F). After Saya finished the first problem (Problem H), here comes the second. This is the enhanced version of Problem H. There is a la

Babelfish Description You have just moved from Waterloo to a big city. The people here speak an incomprehensible dialect of a foreign language. Fortunately, you have a dictionary to help you underst

Cryptanalysis is the process of breaking someone else's cryptographic writing. This sometimes involves some kind of statistical analysis of a passage of (encrypted) text. Your task is to write a progr