181、以下程序的输出结果是 #define M(x,y,z) x*y+z main()

Question

181、以下程序的输出结果是 #define M(x,y,z) x*y+z main() { int a=1,b=2, c=3; printf("%d\n", M(a+b,b+c, c+a)); } 
A) 19 B) 17 C) 15 D) 12

Answer 1

选d，因为宏函数没有把每个参数用括号括起来，所以所以替换展开之后为输出a+b*b+c+c+a的值，即为1+2*2+3+3+1

Answer 2

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

Answer 3

北顾岛城是对的，没有注意宏定义，题主抱歉~~

Answer 4

a。。。。