摘要：
Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 20113 Accepted: 9628 Special Judge Description Sudoku is a very simple task. A square table 阅读全文
摘要：
Shredding Company Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 6173 Accepted: 3361 Description You have just been put in charge of devel 阅读全文