程序分析,给出运算结果.
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程序分析,给出运算结果.
#include
\x05class Sample
\x05{
\x05int x;
public:
\x05Sample(int a){ x = a; }
friend double square(Sample & s);
\x05};
double square(Sample & s){ return s.x*s.x; }
\x05void main()
\x05{
\x05Sample s1(20);
\x05Sample s2(30);
\x05cout
#include
\x05class Sample
\x05{
\x05int x;
public:
\x05Sample(int a){ x = a; }
friend double square(Sample & s);
\x05};
double square(Sample & s){ return s.x*s.x; }
\x05void main()
\x05{
\x05Sample s1(20);
\x05Sample s2(30);
\x05cout
![程序分析,给出运算结果.](/uploads/image/z/8196258-66-8.jpg?t=%E7%A8%8B%E5%BA%8F%E5%88%86%E6%9E%90%2C%E7%BB%99%E5%87%BA%E8%BF%90%E7%AE%97%E7%BB%93%E6%9E%9C.)
s1.square=400
s2.square=900
再问: 准确吧?考试题啊~~
再答: 准确
s2.square=900
再问: 准确吧?考试题啊~~
再答: 准确