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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?#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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