Start 2023-08-09 14:00:00

23暑C1班测试

End 2023-08-09 16:00:00
Contest is over.
Now 2025-05-13 01:48:13

B. cafe

Description

请看纸质或pdf题面。

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                        Time Limit
                        
                            2 seconds                        
                    

                    

                        Memory Limit
                        128 MB
                    

                    
                

            


            
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