Code:
//Program: Classify Numbers
//This program counts the number of zeros, odd, and even numbers *?*/
#include <iostream>
#include <iomanip>
#include <fstream>
using namespace std;
//Function prototypes
void initialize(int& zeroCount, int& oddCount, int& evenCount);
void getNumber(int& num);
void classifyNumber(int num, int& zeroCount, int& oddCount,
int& evenCount);
void printResults(int zeroCount, int oddCount, int evenCount);
bool getNumber(ifstream& numberFile, int& zeros, int& odds, int& evens);
void writeNumber(ofstream& resultsFile, int zeros, int odds, int evens,
int sum, int avg);
int calcSum( int zeros, int evens, int odds);
int main ()
{
ifstream inFile;
ofstream outFile;
int N;
int sum;
int avg;
//Variable declaration
int counter; //loop control variable
int number; //variable to store the new number
int zeros; //variable to store the number of zeros
int odds; //variable to store the number of odd integers s
int evens; //variable to store the number of even integers
//int sum; // sum of the numbers
//int avg; //average of the number
initialize(zeros, odds, evens); //Step 1
//cout << "Please enter " << N << " integers."
// << endl; //Step 2
//cout << "The numbers you entered are: "
// << endl;
//numberfile.open ("f:number.dat");
// if(inFile)
//cout<< "Open \ 'f:numberfile.dat\' " << endl;
//else
//cout << "File not opened \ 'f:number.txt\' << endl;
inFile.open ("problem01Data.txt");
if(inFile)
{ //failure of opening number file
cout << "Error in opening number file .\n" << endl;
system ("pause");
return 0;
}
outFile.open("f:results.dat");
if(!outFile)
{ //failure of opeinging results file
cout << "Error in opening results file .\n" << endl;
system("pause");
return 0;
}
while ( getNumber (inFile, zeros, odds, evens))
{
for (counter = 1; counter <= N; counter++) //Step 3
{
getNumber(number); //Step 3a
cout << number << " "; //Step 3b
classifyNumber(number, zeros, odds, evens); //Step 3c
}// end for loop
// calcSum (zeroCount, evenCount, oddCount);
writeNumber(outFile, zeros, odds, evens, sum, avg);
}
cout << endl;
printResults(zeros, odds, evens); //Step 4
return 0;
}
void initialize(int& zeroCount, int& oddCount, int& evenCount)
{
zeroCount = 0;
oddCount = 0;
evenCount = 0;
}
void getNumber(int& num)
{
cin >> num;
}
void classifyNumber(int num, int& zeroCount, int& oddCount,
int& evenCount)
{
switch (num % 2)
{
case 0:
evenCount++;
if (num == 0)
zeroCount++;
break;
case 1:
case -1:
oddCount++;
} //end switch
}
int calcSum( int zeroCount, int oddCount, int evenCount)
{
return zeroCount + oddCount + evenCount;
}
void printResults(int zeroCount, int oddCount, int evenCount)
{
cout << "There are " << evenCount << " evens, "
<< "which includes " << zeroCount << " zeros"
<< endl;
cout << "The number of odd numbers is: " << oddCount
<< endl;
// calcuSum
}
Originally Posted by John Addy
