• 个人简介

    什么叫宏定义?如下↓ #define ll long long 就是让ll代替了long long(long long也还能用)。 ll的用法如下↓ ll n; 就代表定义了一个long long类型的n。 你学废了吗?

    image image image image image

    #define P printf
    #define D "%d\n"
    #define F "%f\n"
    main(){
      int a=5, c=8, e=11;
      float b=3.8, d=9.7, f=21.08;
      P(D F,a,b);
      P(D F,c,d);
      P(D F,e,f);
    }
    

    (#define代码示例,想实验的记得加头文件~)

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