2013年8月14日
1156. Two Rounds
摘要： 1156. Two RoundsTime limit: 2.0 second Memory limit: 64 MBThere are two rounds in the Urals Championship. The competitors have to solveNproblems on each round. The jury had been working hard and finally managed to prepare 2Nproblems for the championship. But it appeared that among those problems the 阅读全文
posted @ 2013-08-14 17:02 persistent codeants 阅读(343) 评论(0) 推荐(0)
1227. Rally Championship
摘要： 1227. Rally ChampionshipTime limit: 1.0 second Memory limit: 64 MBA high-level international rally championship is about to be held. The rules of the race state that the race is held on ordinary roads and the route has a fixed length. You are given a map of the cities and two-way roads connecting it 阅读全文
posted @ 2013-08-14 11:21 persistent codeants 阅读(286) 评论(0) 推荐(0)
Etaoin Shrdlu
摘要： DescriptionThe relative frequency of characters in natural language texts is very important for cryptography. However, the statistics vary for different languages. Here are the top 9 characters sorted by their relative frequencies for several common languages:English: ETAOINSHR German: ENIRSATUD Fr. 阅读全文
posted @ 2013-08-14 09:59 persistent codeants 阅读(298) 评论(0) 推荐(0)