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#include<iostream>
#include<iomanip>
#include<fstream>
using namespace std;
int main()
{
const int SIZE=100;
int matric[SIZE];
string namegrade[SIZE][6];
double gradept[SIZE][5];
double gpa[SIZE];
int n, i=0, cnt=1;
double tgp, sum=0, sum1=0, avg;
fstream fileout ("outputdata.txt", ios::out);
fstream filein ("inputdata.txt", ios::in);
if (!filein)
{
cout<<"Input file could not be opened! Terminating!\n";
return 0;
}
while(!filein.eof())
{
filein>>matric[i];
for(int j=0; j<6; j++)
{filein>>namegrade[i][j];}
i++;
}
n=i-1;
for(int i=0; i<n; i++) //determining grade point
{
for(int j=1; j<6; j++)
{
if(namegrade[i][j]=="A")
gradept[i][j]=4.00;
else if(namegrade[i][j]=="A-")
gradept[i][j]=3.67;
else if(namegrade[i][j]=="B+")
gradept[i][j]=3.33;
else if(namegrade[i][j]=="B")
gradept[i][j]=3.00;
else if(namegrade[i][j]=="B-")
gradept[i][j]=2.67;
else if(namegrade[i][j]=="C+")
gradept[i][j]=2.33;
else if(namegrade[i][j]=="F")
gradept[i][j]=0.00;
}
}
for(int i=0; i<n; i++) //calculating gpa
{
sum=0;
for(int j=1; j<6; j++)
{
if(j<4)
tgp=gradept[i][j]*3;
else
tgp=gradept[i][j]*2;
sum=sum+tgp;
gpa[i]=sum/13;
}
sum1=sum1+gpa[i];
avg=sum1/n; //avg gpa
}
for(int i=0; i<n; i++) //fileout
{
fileout<<matric[i];
fileout<<" "<<left<<setw(15)<<namegrade[i][0]<<" ";
for(int j=1; j<6; j++)
fileout<<right<<setw(10)<<fixed<<setprecision(2)<<gradept[i][j]<<" ";
fileout<<fixed<<setprecision(2)<<gpa[i];
fileout<<endl;
}
fileout<<"Average GPA of all students : "<<avg<<endl;
fileout<<"List of students who get GPA 3.5 and above :"<<endl;
for(int i=0; i<n; i++)
{
if(gpa[i]>=3.50)
{
fileout<<cnt<<". "<<namegrade[i][0]<<endl;
cnt++;
}
}
fileout.close();
filein.close();
}