Start 2025-10-27 12:26:07

【2026省选】20251027模拟赛-3更正

End 2025-11-30 00:00:00
Contest is over.
Now 2026-01-23 20:30:23

A. 【BJ】T1

Description

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Output

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                        Time Limit
                        
                            2 seconds                        
                    

                    

                        Memory Limit
                        512 MB
                    

                    
                

            


            
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