Waves___的博客

D. Vasiliy's Multiset time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Author has gone out of the stories ab

Description Ignatius is so lucky that he met a Martian yesterday. But he didn't know the language the Martians use. The Martian gives him a history book of Mars and a dictionary when it leaves. Now

Description Given a list of phone numbers, determine if it is consistent in the sense that no number is the prefix of another. Let's say the phone catalogue listed these numbers: Emergency 911

Description A hat’s word is a word in the dictionary that is the concatenation of exactly two other words in the dictionary.  You are to find all the hat’s words in a dictionary.  Input