fig04_16.cpp

这是C＋＋编程经典的书上实例的源代码。 （英文名是《C＋＋ how to program》第3版）

// Fig. 4.16: fig04_16.cpp
// This program sorts an array's values into
// ascending order
#include <iostream>

using std::cout;
using std::endl;

#include <iomanip>

using std::setw;

int main()
{
   const int arraySize = 10;
   int a[ arraySize ] = { 2, 6, 4, 8, 10, 12, 89, 68, 45, 37 };
   int i, hold;

   cout << "Data items in original order\n";

   for ( i = 0; i < arraySize; i++ )
      cout << setw( 4 ) << a[ i ];

   for ( int pass = 0; pass < arraySize - 1; pass++ ) // passes

      for ( i = 0; i < arraySize - 1; i++ )      // one pass

         if ( a[ i ] > a[ i + 1 ] ) {      // one comparison
            hold = a[ i ];                 // one swap
            a[ i ] = a[ i + 1 ];
            a[ i + 1 ] = hold;
         }

   cout << "\nData items in ascending order\n";

   for ( i = 0; i < arraySize; i++ )
      cout << setw( 4 ) << a[ i ];

   cout << endl;
   return 0;
}




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