// Programming Environment: Bloodshed
// Date/Time: 2/10/2010 8:31:19 PM
//------------------------------------------------------------------------------
// This program takes input from "prople.dat" file from external storage device.
// The inputs are population of small town. It processes the population figures
// so that it's one symbol ('\x03') represents 1000 people and displays the year
// and it's consequent population in terms of neatly calculated symbol.
//------------------------------------------------------------------------------
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
using namespace std;
//---------------------------------------------------------------------------
const char BAR_CHART_SYMBOL = '\x03'; // Love symbol for bar representation.
const char MY_PATH_FILE[]="c:\\c++\\assignment 4\\people.dat";
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
// Function Prototypes
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
int main (void)
{
cout.setf (ios::fixed, ios::floatfield);
cout.setf (ios::showpoint);
cout.precision (2);
int population;
int no_symbol;
int year = 1900; // Initialization of variable "year" to 1900.
// Reading the population figures for the years(interval of 20 years).
ifstream My_Infile;
My_Infile.open(MY_PATH_FILE);
if(My_Infile){
cout << endl << "File from external source opened: Successfully!";
// Formatting the o/p so that it would look good on screen!
cout << endl << endl << "PRAIRIEVILLE POPULATION GROWTH";
cout << endl << "[Each \x03 represents 1,000 people]" << endl;
cout << endl << "YEAR" << " " << "POPULATION";
cout << endl << "----" << " " << "----------";
// Reading one line of data at a time and performing calculations and
// displaying the population in terms of symbols.
while (My_Infile >> population ) {
//My_Infile >> population;
cout << endl << year << setw(8);
no_symbol = population / 1000;
// If resudial population is greater or equal to 500 then
// considering it as 1000 & incrementing symbol by 1.
if (population % 1000 >= 500) {
no_symbol ++;
}
// Using for loop to display the symbol.
for (int count = 1; count <= no_symbol; ++count) {
cout << BAR_CHART_SYMBOL;
}
// Population Parentheses.
cout << setw(2) << "[" << population << "]";
year = year + 20; // Incrementing year by 20.
}
My_Infile.close(); // Closing the file as it would be unnecessary at
// this point of the program.
} else {
cout << endl << "Error: File Open Error!"; // Error message if the file
// don't open!
}
cout << endl << endl << endl << "Depress Any Key to Continue...";
_getch ();
return 0;
}
//---------------------------------------------------------------------------
// Function Definitions follow.
//---------------------------------------------------------------------------
// Date/Time: 2/10/2010 8:31:19 PM
//------------------------------------------------------------------------------
// This program takes input from "prople.dat" file from external storage device.
// The inputs are population of small town. It processes the population figures
// so that it's one symbol ('\x03') represents 1000 people and displays the year
// and it's consequent population in terms of neatly calculated symbol.
//------------------------------------------------------------------------------
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
using namespace std;
//---------------------------------------------------------------------------
const char BAR_CHART_SYMBOL = '\x03'; // Love symbol for bar representation.
const char MY_PATH_FILE[]="c:\\c++\\assignment 4\\people.dat";
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
// Function Prototypes
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
int main (void)
{
cout.setf (ios::fixed, ios::floatfield);
cout.setf (ios::showpoint);
cout.precision (2);
int population;
int no_symbol;
int year = 1900; // Initialization of variable "year" to 1900.
// Reading the population figures for the years(interval of 20 years).
ifstream My_Infile;
My_Infile.open(MY_PATH_FILE);
if(My_Infile){
cout << endl << "File from external source opened: Successfully!";
// Formatting the o/p so that it would look good on screen!
cout << endl << endl << "PRAIRIEVILLE POPULATION GROWTH";
cout << endl << "[Each \x03 represents 1,000 people]" << endl;
cout << endl << "YEAR" << " " << "POPULATION";
cout << endl << "----" << " " << "----------";
// Reading one line of data at a time and performing calculations and
// displaying the population in terms of symbols.
while (My_Infile >> population ) {
//My_Infile >> population;
cout << endl << year << setw(8);
no_symbol = population / 1000;
// If resudial population is greater or equal to 500 then
// considering it as 1000 & incrementing symbol by 1.
if (population % 1000 >= 500) {
no_symbol ++;
}
// Using for loop to display the symbol.
for (int count = 1; count <= no_symbol; ++count) {
cout << BAR_CHART_SYMBOL;
}
// Population Parentheses.
cout << setw(2) << "[" << population << "]";
year = year + 20; // Incrementing year by 20.
}
My_Infile.close(); // Closing the file as it would be unnecessary at
// this point of the program.
} else {
cout << endl << "Error: File Open Error!"; // Error message if the file
// don't open!
}
cout << endl << endl << endl << "Depress Any Key to Continue...";
_getch ();
return 0;
}
//---------------------------------------------------------------------------
// Function Definitions follow.
//---------------------------------------------------------------------------
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.