main.cpp

#include<iostream>
#include<fstream>
#include<iomanip>

using namespace std;

void headerfn();
string getstringinput(string);
void scoresfn(int, int, int, int, int, int);
int errorfn(int);
void avgfn(int, int, int, int, int, int, int, int, int,
           float, float, float, float);
char gradefn(float);
void outputfn(string, string, int, float, float, float, char);

ofstream fout;

int main(){
  string fname, lname;
  int prog1, prog2, prog3, test1, test2, test3, total, progtotal, testtotal;
  float progavg, testavg, totalavg, cavg;
  char lgrade, flag;

  fout.open("Studentsoutput.txt");

  if(!fout){
    cout<<"output failure"<<endl;
    system("pause");
    return 1;
  }//end of error check



  headerfn();

  do{

    fname = getstringinput("Please enter student's first name: ");
    lname = getstringinput("Please enter student's last name: ");

    scoresfn(prog1, prog2, prog3, test1, test2, test3);
    avgfn(prog1, prog2, prog3, test1, test2, test3, total, progtotal, testtotal, 
          progavg, testavg, totalavg, cavg);
    lgrade = gradefn(cavg);
    outputfn(fname, lname, total, progavg, testavg, cavg, lgrade);

    cout<<"please enter y to calculate another student's grades or n to exit: ";
    cin>>flag;
  }while(flag == 'y'|| flag == 'Y');


  fout.close();

  system ("pause");
  return 0;
}//end of main

void headerfn(){
  cout<<"012345678901234567890123456789012345678901234567890123456789"<<endl;
  cout<<setw(60)<<setfill('*')<<"*"<<endl;
  cout<<setw(10)<<left<<setfill(' ')<<"*";
  cout<<setw(40)<<left<<setfill(' ')<<" ";
  cout<<setw(10)<<right<<setfill(' ')<<"*"<<endl;
  cout<<setw(10)<<left<<setfill(' ')<<"*";
  cout<<setw(40)<<left<<setfill(' ')<<"IT 210 Business Applications with C++";
  cout<<setw(10)<<right<<setfill(' ')<<"*"<<endl;
  cout<<setw(10)<<left<<setfill(' ')<<"*";
  cout<<setw(40)<<left<<setfill(' ')<<"Programmer: Molly Morneault";
  cout<<setw(10)<<right<<setfill(' ')<<"*"<<endl;
  cout<<setw(10)<<left<<setfill(' ')<<"*";
  cout<<setw(40)<<left<<setfill(' ')<<"Date: March 31, 2011";
  cout<<setw(10)<<right<<setfill(' ')<<"*"<<endl;
  cout<<setw(10)<<left<<setfill(' ')<<"*";
  cout<<setw(40)<<left<<setfill(' ')<<" ";
  cout<<setw(10)<<right<<setfill(' ')<<"*"<<endl;
  cout<<setw(10)<<left<<setfill(' ')<<"*";
  cout<<setw(40)<<left<<setfill(' ')<<"Program Assignment 3: Students' Grades";
  cout<<setw(10)<<right<<setfill(' ')<<"*"<<endl;
  cout<<setw(10)<<left<<setfill(' ')<<"*";
  cout<<setw(40)<<left<<setfill(' ')<<" ";
  cout<<setw(10)<<right<<setfill(' ')<<"*"<<endl;
  cout<<setw(60)<<setfill('*')<<"*"<<endl;

}//end of headerfn

string getstringinput(string msg){
  string result;
  cout<<msg;
  cin>>result;

  return result;
}//end of getstringinput


void scoresfn(int prog1, int prog2, int prog3, int test1, int test2, int test3){

  cout<<"Please enter the first program score: ";
  cin>>prog1;
  prog1 = errorfn(prog1);

  cout<<"Please enter the second program score: ";
  cin>>prog2;
  prog2 = errorfn(prog2);

  cout<<"Please enter the third program score: ";
  cin>>prog3;
  prog3 = errorfn(prog3);

  cout<<"Please enter the first test score: ";
  cin>>test1;
  test1 = errorfn(test1);

  cout<<"Please enter the second test score: ";
  cin>>test2;
  test2 = errorfn(test2);

  cout<<"Please enter the third test score: ";
  cin>>test3;
  test3 = errorfn(test3);

  return;
}//end of scoresfn

int errorfn(int score){

  while(score>100||score<0){
    cout<<"Oops! That's an invalid entry. Please enter a score between"
        <<" zero and 100: ";
    cin>>score;
  }
  return score; 

}//end of errorfn

void avgfn(int prog1, int prog2, int prog3, int test1, int test2, int test3, 
           int total, int progtotal, int testtotal,
           float progavg, float testavg, float totalavg, float cavg){

  total = prog1+prog2+prog3+test1+test2+test3;
  progtotal = prog1+prog2+prog3;
  testtotal = test1+test2+test3;
  progavg = progtotal/3;
  testavg = testtotal/3;
  totalavg = progavg+testavg;
  cavg = totalavg/2;

  return;
}//end of avgfn

char gradefn(float cavg){

  char lgrade;

  if(cavg>=90){
    return 'A';
  }
  else if (cavg>=80){
    return 'B';
  }
  else if(cavg>=70){
    return 'C';
  }
  else{
    return 'F';
  }

}//end of gradefn

void outputfn(string fname, string lname, int total, float progavg, 
              float testavg, float cavg, char lgrade){


  cout<<"0123456789012345678901234567890123456789012345678901234567890123456789"<<endl;
  cout<<setw(70)<<setfill('=')<<"="<<endl;

  cout<<setw(20)<<setfill(' ')<<left<<"Student Name";
  cout<<setw(10)<<setfill(' ')<<left<<"Total";
  cout<<setw(10)<<setfill(' ')<<left<<"Program";
  cout<<setw(10)<<setfill(' ')<<left<<"Test";
  cout<<setw(10)<<setfill(' ')<<left<<"Course";
  cout<<setw(10)<<setfill(' ')<<left<<"Letter"<<endl;

  cout<<setw(20)<<setfill(' ')<<left<<" ";
  cout<<setw(10)<<setfill(' ')<<left<<"Points";
  cout<<setw(10)<<setfill(' ')<<left<<"Average";
  cout<<setw(10)<<setfill(' ')<<left<<"Average";
  cout<<setw(10)<<setfill(' ')<<left<<"Average";
  cout<<setw(10)<<setfill(' ')<<left<<"Grade"<<endl;

  cout<<setw(70)<<setfill('-')<<"-"<<endl;

  cout<<setw(20)<<setfill(' ')<<left<<fname+ " " +lname;
  cout<<setw(10)<<setfill(' ')<<left<<total;
  cout<<setw(10)<<setfill(' ')<<setprecision(2)<<showpoint<<fixed<<left<<progavg;
  cout<<setw(10)<<setfill(' ')<<setprecision(2)<<showpoint<<fixed<<left<<testavg;
  cout<<setw(10)<<setfill(' ')<<setprecision(2)<<showpoint<<fixed<<left<<cavg;
  cout<<setw(10)<<left<<setfill(' ')<<lgrade<<endl;

  cout<<setw(70)<<setfill('-')<<"-"<<endl;


  fout<<"0123456789012345678901234567890123456789012345678901234567890123456789"<<endl;
  fout<<setw(70)<<setfill('=')<<"="<<endl;

  fout<<setw(20)<<setfill(' ')<<left<<"Student Name";
  fout<<setw(10)<<setfill(' ')<<left<<"Total";
  fout<<setw(10)<<setfill(' ')<<left<<"Program";
  fout<<setw(10)<<setfill(' ')<<left<<"Test";
  fout<<setw(10)<<setfill(' ')<<left<<"Course";
  fout<<setw(10)<<setfill(' ')<<left<<"Letter"<<endl;

  fout<<setw(20)<<setfill(' ')<<left<<" ";
  fout<<setw(10)<<setfill(' ')<<left<<"Points";
  fout<<setw(10)<<setfill(' ')<<left<<"Average";
  fout<<setw(10)<<setfill(' ')<<left<<"Average";
  fout<<setw(10)<<setfill(' ')<<left<<"Average";
  fout<<setw(10)<<setfill(' ')<<left<<"Grade"<<endl;

  fout<<setw(70)<<setfill('-')<<"-"<<endl;

  fout<<setw(20)<<setfill(' ')<<left<<fname+ " " +lname;
  fout<<setw(10)<<setfill(' ')<<left<<total;
  fout<<setw(10)<<setfill(' ')<<setprecision(2)<<showpoint<<fixed<<left<<progavg;
  fout<<setw(10)<<setfill(' ')<<setprecision(2)<<showpoint<<fixed<<left<<testavg;
  fout<<setw(10)<<setfill(' ')<<setprecision(2)<<showpoint<<fixed<<left<<cavg;
  fout<<setw(10)<<left<<setfill(' ')<<lgrade<<endl;

  fout<<setw(70)<<setfill('-')<<"-"<<endl;

  return;
}//end of outputfn

//I've rewritten this program 4 times and will include all versions on my USB disk,
//I could not get the output to come out correctly. I even tried calling the functions
//within the outputfn. At this point, I don't know how else to get the output to show
//up correctly. The student's name doesn't even show up