#include <iostream> 
#include <cstdlib>
#include <ctime>
using namespace std;

void selectionSort( int [], int );

int main()
{
   const int SIZE = 10;
   const int MAXRANGE = 1000;
   int sortThisArray[ SIZE ] = {};

   srand( time( 0 ) );

   // 使用不大於1000的隨機數填充陣列
   for ( int i = 0; i < SIZE; i++ )
      sortThisArray[ i ] = 1
 
 + rand() % MAXRANGE;

   cout << "\nUnsorted array is:\n";

   // 排序前
   for ( int j = 0; j < SIZE; j++ )
      cout << ' ' << sortThisArray[ j ] << ' ';

   selectionSort( sortThisArray, SIZE ); 

   cout << "\n\nSorted array is:\n"; 

   // 排序後
   for ( int k = 0; k < SIZE; k++ )
      cout
 
 << ' ' << sortThisArray[ k ] << ' ';

   cout << '\n' << endl;
   system("pause");
   return 0;
} 

void selectionSort( int array[], int size )
{
   int temp; 

   // 排序
   if ( size >= 1 ) 
   {
      // 選擇最小的數放在“開始”位置
      for ( int loop = 0; loop < size; loop++ )
      {
         if
 
 ( array[ loop ] < array[ 0 ] ) 
         {
            temp = array[ loop ];
            array[ loop ] = array[ 0 ];
            array[ 0 ] = temp;
         } 
      } 

      selectionSort( &array[ 1 ], size - 1 );
   } 
}