[YTU]_2437 (C++ 习题 比较大小-类模板)

题目描述

声明一个类模板，利用它分别实现两个整数、浮点数和字符的比较，求出大数和小数。说明：在类模板外定义各成员函数。

输入

输入两个整数、两个浮点数和两个字符

输出

从大到小输出两个整数、两个浮点数和两个字符

样例输入

3 7
45.78 93.6
a A

样例输出

7 3
93.60 45.78
a A
#include <iostream>
#include <iomanip>
using namespace std;
template<class numtype>
class Compare
{
public:
    Compare(numtype a,numtype b);
    numtype max();
    numtype min();
private:
    numtype x,y;
};
template <class numtype>
Compare<numtype>::Compare(numtype a,numtype b)
{
    x=a;
    y=b;
}
template <class numtype>
numtype Compare<numtype>::max()
{
    return (x>y)?x:y;
}
template <class numtype>
numtype Compare<numtype>::min()
{
    return (x<y)?x:y;
}
int main()
{
    int i1,i2;
    cin>>i1>>i2;
    Compare<int> cmp1(i1,i2);
    cout<<cmp1.max()<<" "<<cmp1.min()<<endl;
    float f1,f2;
    cin>>f1>>f2;
    Compare<float> cmp2(f1,f2);
    cout<<setiosflags(ios::fixed);
    cout<<setprecision(2);
    cout<<cmp2.max()<<" "<<cmp2.min()<<endl;
    char c1,c2;
    cin>>c1>>c2;
    Compare<char> cmp3(c1,c2);
    cout<<cmp3.max()<<" "<<cmp3.min()<<endl;
    return 0;
}