Code:
#include <iostream>
#include<iomanip>
#include<fstream>
using namespace std;
int main(){
system("color f0");
cout<<"**************************************************"<<endl;
cout<<"* IT210 Business Applicatins with C++ *"<<endl;
cout<<"* Date: March 19, 2012 *"<<endl;
cout<<"* Program Assignment 3 *"<<endl;
cout<<"* Student Grades II *"<<endl;
cout<<"* *"<<endl;
cout<<"* This program reads student informantion *"<<endl;
cout<<"* from an input text file and ouputs results *"<<endl;
cout<<"* to the monitor and the ouput text file. *"<<endl;
cout<<"**************************************************"<<endl;
cout<<endl;
cout<<"Welcome to Student Grade Calculator II"<<endl<<endl;
ifstream fin;
ofstream fout;
double program1, program2, program3, program4, program5;
double test1, test2;
double average1, average2, average3;
string firstName, lastName;
char grade;
cout<<"Examine the input text file (input3.txt) before you proceed"<<endl<<endl;
fin.open("input3.txt");
fout.open("input3_ouput.txt");
if(!fin){
cout<<"Input failure\n";
system("pause");
return 1;
}
if(!fout){
cout<<"Output failure\n";
system("pause");
return 1;
}
cout<<"123456789012345678901234567890123456789012345678901234567890"<<endl;
cout<<"=============================================================="<<endl;
cout<<left<<setw(12)<<"Student Names"
<<setw(7)<<" "
<<setw(7)<<"Program"
<<setw(3)<<" "
<<setw(4)<<"Test"
<<setw(6)<<" "
<<setw(6)<<"Course"
<<setw(4)<<" "
<<setw(6)<<"Letter"<<endl;
cout<<left<<setw(20)<<" "
<<setw(6)<<"Average"
<<setw(3)<<" "
<<setw(6)<<"Average"
<<setw(3)<<" "
<<setw(6)<<"Average"
<<setw(3)<<" "
<<setw(5)<<"Grade"<<endl;
cout<<"=============================================================="<<endl;
while(fin){
fin>> firstName>>lastName;
fin>>program1
>>program2
>>program3
>>program4
>>program5;
fin>>test1>>test2;
average1=(program1+program2+program3+program4+program5)/5;
average2=(test1+test2)/2;
average3=(average1+average2)/2;
if(average3>=90){grade='A';}
else if(average3>=80 && average3<=89){grade='B';}
else if(average3>=70 && average3<=79){grade='C';}
else {grade='F';}
string name;
name=firstName+" "+lastName;
cout<<fixed<<showpoint;
cout<<setprecision(2);
cout<<left<<setw(20)<<name
<<setw(10)<<average1
<<setw(10)<<average2
<<setw(10)<<average3
<<setw(6)<<grade<<endl;
if(fin.peek()=='\n')fin.ignore();
}
//Output to text file
fout<<"**************************************************"<<endl;
fout<<"* IT210 Business Applicatins with C++ *"<<endl;
fout<<"* Date: March 19, 2012 *"<<endl;
fout<<"* Program Assignment 3 *"<<endl;
fout<<"* Student Grades II *"<<endl;
fout<<"* *"<<endl;
fout<<"* This program reads student informantion *"<<endl;
fout<<"* from an input text file and ouputs results *"<<endl;
fout<<"* to the monitor and the ouput text file. *"<<endl;
fout<<"**************************************************"<<endl;
fout<<endl;
fout<<"Welcome to Student Grade Calculator II"<<endl<<endl;
fout<<"123456789012345678901234567890123456789012345678901234567890"<<endl;
fout<<"=============================================================="<<endl;
fout<<left<<setw(12)<<"Student Names"
<<setw(7)<<" "
<<setw(7)<<"Program"
<<setw(3)<<" "
<<setw(4)<<"Test"
<<setw(6)<<" "
<<setw(6)<<"Course"
<<setw(4)<<" "
<<setw(6)<<"Letter"<<endl;
fout<<left<<setw(20)<<" "
<<setw(6)<<"Average"
<<setw(3)<<" "
<<setw(6)<<"Average"
<<setw(3)<<" "
<<setw(6)<<"Average"
<<setw(3)<<" "
<<setw(5)<<"Grade"<<endl;
fout<<"=============================================================="<<endl;
fin.close();
fout.close();
system ("pause");
return 0;
}//end of main