源程序代码：
#include <iostream>
using namespace std;
int sort(int* p, int n)
{
for (int i = 0; i < n; i++)
{
for (int j = i; j < n; j++)
{
if (p[i] > p[j])
{
int x;
x = p[j];
p[j] = p[i];
p[i] = x;
}
}
}
for (int k = 0; k < n; k++)
cout << p[k] << " ";
return 0;
}
float sort(float* p, int n)
{
for (int i = 0; i < n; i++)
{
for (int j = i; j < n; j++)
{
if (p[i] > p[j])
{
float x;
x = p[j];
p[j] = p[i];
p[i] = x;
}
}
}
for (int k = 0; k < n; k++)
cout << p[k] << " ";
return 0;
}
double sort(double* p, int n)
{
for (int i = 0; i < n; i++)
{
for (int j = i; j < n; j++)
{
if (p[i] > p[j])
{
double x;
x = p[j];
p[j] = p[i];
p[i] = x;
}
}
}
for (int k = 0; k < n; k++)
cout << p[k] << " ";
return 0;
}
int main()
{
int a, n;
cout << "您需要比较什么类型的数：\n1.整型\n2.单精度\n3.双精度" << endl << "输入类型前的编号：" << endl;
cin >> a;
cout << "请输入您需要比较数据的个数：" << endl;
cin >> n;
cout << "请输入" << n << "个需要比较的数\n";
if (a == 1)
{
int* p = new int[n];
for (int i = 0; i < n; i++)
cin >> p[i];
sort(p, n);
}
if (a == 2)
{
double* p = new double[n];
for (int i = 0; i < n; i++)
cin >> p[i];
sort(p, n);
}
if (a == 3)
{
float* p = new float[n];
for (int i = 0; i < n; i++)
cin >> p[i];
sort(p, n);
}
return 0;
}
运行结果截图：
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