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1)#include < ios的答案

1)#include < iostream >
2)#include < cmath >
3)using namespace std;
4)double max(double x,doubley)
5){
6)if(x>y)
7)return x;
8)else
9)return y;
10)}
11)int main()
12){
13)doublea,b,c;
14)cout <<" input two numbers: ";
15)cin >> a >> b;
16)c=max(a,b);
17)cout <<" the squart of max imum="<< sqrt( c );
18)}

执行第10行时,系统会回收几个变量:()

单选题
2021-12-31 01:48
A、A.0
B、1
C、2
D、3
查看答案

正确答案
C

试题解析
执行完第10行后,函数max()调用结束,系统将会把函数max()的形式参数x,y给回收掉。

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2)#include < cmath >
3)using namespace std;
4)double max(double x,doubley)
5){
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7)return x;
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1)#include < iostream >
2)#include < cmath >
3)using namespace std;
4)double max(double x,doubley)
5){
6)if(x>y)
7)return x;
8)else
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10)}
11)int main()
12){
13)doublea,b,c;
14)cout <<" input two numbers: ";
15)cin >> a >> b;
16)c=max(a,b);
17)cout <<" the squart of max imum="<< sqrt( c );
18)}

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