• 个人简介

    image imageimageimageimage

    #define read(x) {x=0;char z;while((z=getchar())<48);do x=x*10+(z^48);while((z=getchar())>47);}//非常快的输入🤣,但只能输入整数
    
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    This person is lazy and didn't join any contests or homework.
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    This person is lazy and didn't write any solutions.