Posted in 面试题 onAugust 11, 2016
解：#include
#include
main()
#define s1(a,b) ((a) *(b))
#define s(c) sqrt(c )
{
float result;
int n1,n2;
scanf(“%d”,%n1);
scanf(“%d”,&n2);
result=s1(n1,n2);
result=s(result);
printf(“%f\n”,result);
}
#include
main()
#define s1(a,b) ((a) *(b))
#define s(c) sqrt(c )
{
float result;
int n1,n2;
scanf(“%d”,%n1);
scanf(“%d”,&n2);
result=s1(n1,n2);
result=s(result);
printf(“%f\n”,result);
}
计算 s=(x*y)1/2，用两个宏定义来实现
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