meanmedianmode.cpp

C++大学简明教程,解压就行没有密码。希望对大家有用

// Exercise 13.16: MeanMedianMode.cpp
// Application that asks a user to enter 10 numeric survey responses,
// then calculates and displays the mean, median and mode for that
// set of values.
#include <iostream> // required to perform C++ stream I/O
#include <iomanip>  // required for parameterized stream manipulators

using namespace std; // for accessing C++ Standard Library members

// function prototypes
void sortArray( int [], int );     // sorts the array of responses
void displayMean( int [], int );   // calculates and displays mean
void displayMedian( int [], int ); // calculates and displays median
void displayMode( int [], int );   // calculates and displays mode

// function main begins program execution
int main()
{
   // define variables and declare arrays

   // prompt user for and input response
   cout << "\nEnter survey response (1-" << MAX_VALUE << "): ";
   cin >> response;

   while ( responseCounter <= MAX_RESPONSES )
   {
      // display error message if input is out of range
      if ( response < 1 || response > MAX_VALUE )
      {
         cout << "\nError: Specify a number within the valid range."
              << endl;
      } // end if
      // otherwise, update arrays
      else
      {

      } // else

      // prompt user for and input next response
      cout << "\nEnter survey response (1-" << MAX_VALUE << "): ";
      cin >> response;

   } // end while

   return 0; // indicates successful termination

} // end function main

void sortArray( int unsortedArray[], int arraySize)
{
   int temporaryValue; // temporary location used to swap elements

   // loop to apply the algorithm arraySize times
   for ( int pass = 1; pass <= arraySize; pass++ )
   {
      // loop to perform arraySize comparisons on each pass
      for ( int index = 1; index <= arraySize - 1; index++ )
      {
         // swap elements if they are out of order
         if ( unsortedArray[ index ] > unsortedArray[ index + 1 ] )
         {
            temporaryValue = unsortedArray[ index ];
            unsortedArray[ index ] = unsortedArray[ index + 1 ];
            unsortedArray[ index + 1 ] = temporaryValue;

         } // end if

      } // end inner for

   } // end outer for

} // end function sortArray

void displayMean( int responseArray[], int arraySize )
{

} // end function displayMean

void displayMedian( int responseArray[], int arraySize )
{

} // end function displayMedian

void displayMode( int frequencyArray[], int arraySize )
{

} // end function displayMode


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