2556 问题 A: 跳舞的线

时间限制: 1s 内存限制: 128MB 提交: 70 解决: 13
题目描述
输入
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样例输入
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样例输出
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提示
零基础同学可以先学习视频课程，包含C/C++、Python、百练、蓝桥杯辅导、算法数据结构等课程，提供视频讲解以及配套习题，还有老师答疑，点击这里了解课程详情

                
                
                

                                        

                        
                        

                                                            
                                
                                                        
                            
                            
                            
                        

                    

                

                


                

            

            

                

                    

                        
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比赛状况