#include <iostream>
using namespace std;
int main()
{
 //使用形參改變實參數(shù)
 //將10個整數(shù)按由小到大的順序排列
 void select_sort(int *p, int n);//函數(shù)聲明
 int a[10], i;
 cout << "enter the originl array:" << endl;
 for (i = 0; i < 10; i++) //輸入10個數(shù)
 cin >> a[i];
 cout << endl;
 select_sort(a,10); //函數(shù)調(diào)用,數(shù)組名作實參
 cout << "the sorted array:" << endl;
 for (i = 0; i < 10; i++) //輸出10個已排好序的數(shù)
 cout << a[i] << " ";
 cout << endl;
 system("pause");
 return 0;
}

void select_sort(int *p, int n) //用指針變量作形參
{
 int i, j, k, t;
 for (i = 0; i < n - 1; i++)
 {
 k = i;
 for (j = i + 1; j < n; j++)
  if (*(p + j) < *(p + k)) k = j; //用指針法訪問數(shù)組元素
 t = *(p + k); *(p + k) = *(p + i); *(p + i) = t;
 }

}