Problem E: 类模板Sample
Time Limit: 1 Sec
Memory Limit: 128 MB
Submit: 690
Solved: 620
Description
定义类模板Sample，设模板参数为T，则Sample类只有一个T类型的属性。定义其构造函数、拷贝构造函数，输出与样例类似的信息。定义show函数，用于显示属性值（只输出属性值）。定义add函数，将当前对象与Sample类的另一个对象的属性值相加，和仍存入当前对象。
Input
输入2个int类型整数、2个double类型实数。
Output
见样例。
Sample Input
121.63.356
Sample Output
Sample 1 is created.Sample 2 is created.Sample 1 is copied.Sample 1.6 is created.Sample 3.356 is created.Sample 3.356 is copied.Sample 2 is copied.3Sample 1.6 is copied.4.956
HINT
Append Code
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#include <iostream>
#include <iomanip>
#include <cstring>
#include <cmath>
using namespace std;
template <class T>
class Sample
{
private:
T t;
public:
Sample(T tt) : t(tt){ cout << "Sample " << t << " is created." << endl; }
Sample(const Sample & s):t(s.t) { cout << "Sample " << t << " is copied." << endl;}
~Sample() { }
public:
void show()const{ cout << t << endl; }
void add(Sample s){ t += s.t; }
};
int main()
{
int a, b;
double c, d;
cin>>a>>b>>c>>d;
Sample<int> s1(a), s2(b), s3(s1);
Sample<double> s4(c), s5(d), s6(s5);
s1.add(s2);
s1.show();
s5.add(s4);
s5.show();
return 0;
}
