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Channel AllocationTime Limit:1000MSMemory Limit:10000KTotal Submissions:7837Accepted:3980DescriptionWhen a radio station is broadcasting over a very large area, repeaters are used to retransmit the signal so that every receiver has a strong signal. However, the channels used by each repeater must be 阅读全文
摘要：
SudokuTime Limit:2000MSMemory Limit:65536KTotal Submissions:8339Accepted:4066Special JudgeDescriptionSudoku is a very simple task. A square table with 9 rows and 9 columns is divided to 9 smaller squares 3x3 as shown on the Figure. In some of the cells are written decimal digits from 1 to 9. The oth 阅读全文
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Shredding CompanyTime Limit:1000MSMemory Limit:10000KTotal Submissions:2260Accepted:1303DescriptionYou have just been put in charge of developing a new shredder for the Shredding Company Although a "normal" shredder would just shred sheets of paper into little pieces so that the contents w 阅读全文