摘要： DescriptionSoon a school Olympiad in Informatics will be held in Berland, n schoolchildren will participate there.At a meeting of the jury of the Olym... 阅读全文

摘要： Description Our chemical biologists have invented a new very useful form of life called stripies (in fact, they were first called in Russian - polosat... 阅读全文

摘要： Description Here is a famous story in Chinese history. That was about 2300 years ago. General Tian Ji was a high official in the country Qi. He likes... 阅读全文

摘要： DescriptionWLD likes playing with numbers. One day he is playing with $N$ integers. He wants to delete $K$ integers from them. He likes diversity, so ... 阅读全文

摘要： DescriptionA factory produces products packed in square packets of the same height h and of the sizes 1*1, 2*2, 3*3, 4*4, 5*5, 6*6. These products are... 阅读全文

摘要： Shuffle'm UpTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 7048Accepted: 3281DescriptionA common pastime for poker players at a poker table ... 阅读全文

摘要： 宇航员Time Limit: 2000MSMemory Limit: 30000KTotal Submissions: 4866Accepted: 2077Description问题描述： 宇航员在太空中迷失了方向，在他的起始位置现在建立一个虚拟xyz坐标系，称为绝对坐标系，宇航员正面的方向为x... 阅读全文

摘要： Description There are so many different religions in the world today that it is difficult to keep track of them all. You are interested in finding out... 阅读全文

摘要： C - The Suspects Time Limit:1000MS Memory Limit:20000KB 64bit IO Format:%I64d & %I64uSubmit StatusDescription Severe acute respiratory syndrome (SARS)... 阅读全文

摘要： Is It A Tree?Time Limit: 1000MSMemory Limit: 10000KTotal Submissions: 26126Accepted: 8920DescriptionA tree is a well-known data structure that is eith... 阅读全文