Start 2022-08-18 10:55:11

AROI Round 1

End 2022-08-18 09:00:15
Contest is over.
Now 2024-05-20 04:54:19

B. T4 回家

Description

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Output

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Output

                            

                        


                        
                                            

                

                                                        

            
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                        Time Limit
                        
                            1 second                        
                    

                    

                        Memory Limit
                        128 MB
                    

                    
                

            


            
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