fig04_10.cpp

来自「这是C＋＋编程经典的书上实例的源代码。 （英文名是《C＋＋ how to pr」· C++ 代码 · 共 49 行

// Fig. 4.10: fig04_10.cpp
// Histogram printing program
#include <iostream>

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

#include <iomanip>

using std::setw;

int main()
{
   const int arraySize = 10;
   int n[ arraySize ] = { 19, 3, 15, 7, 11, 9, 13, 5, 17, 1 };

   cout << "Element" << setw( 13 ) << "Value"
        << setw( 17 ) << "Histogram" << endl;

   for ( int i = 0; i < arraySize; i++ ) {
      cout << setw( 7 ) << i << setw( 13 ) 
           << n[ i ] << setw( 9 );

      for ( int j = 0; j < n[ i ]; j++ )   // print one bar
         cout << '*';

      cout << endl;
   }

   return 0;
}



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