单选题有以下程序 int fun1(double a) { return a*=a; } int fun2(double x,double y) { double a=0,b=0; a=fun1(x); b=fun1(y); return(int)(a+b); } main() { double w; w=fun2(1.1,2.0); } 程序执行后变量w中的值是()A5.21B5C5.0D0.0

单选题
有以下程序 int fun1(double a) { return a*=a; } int fun2(double x,double y) { double a=0,b=0; a=fun1(x); b=fun1(y); return(int)(a+b); } main() { double w; w=fun2(1.1,2.0); } 程序执行后变量w中的值是()
A

5.21

B

5

C

5.0

D

0.0


参考解析

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