摘要：
http://acm.hust.edu.cn/vjudge/contest/view.action?cid=26100#problem/AA -ATime Limit:1000MSMemory Limit:30000KB64bit IO Format:%I64d & %I64uSubmitStatusPracticePOJ 1936DescriptionYou have devised a new encryption technique which encodes a message by inserting between its characters randomly gener 阅读全文
摘要：
Time Limit:2000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uDescription"Hey, it's homework time" — thought Polycarpus and of course he started with his favourite subject, IT. Polycarpus managed to solve all tasks but for the last one in 20 minutes. However, as he failed to s 阅读全文
摘要：
Time Limit:2000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uDescriptionPolycarpus has postcards and photos hung in a row on the wall. He decided to put them away to the closet and hang on the wall a famous painter's picture. Polycarpus does it like that: he goes from the left to the r 阅读全文