Algoritma IP Mahasiswa

#include <iostream.h>
#include <stdio.h>
#include <string.h>
#include <conio.h>
void main ()
{
 int sks,jumlah,bobot,nrp,nilai;
 int n;
 char nama[50], mutu, kuliah [50];
 float ip, tn=0, tsks=0, rrm=0;
 cout <<"-------------------------------"<<endl;
 cout <<"| Nilai Akhir  | Mutu  | Bobot |"<<endl;
 cout <<"------------------------------"<<endl;
 cout <<"|     0-45     |  E    |   0   |"<<endl;
 cout <<"|    46-59     |  D    |   1   |"<<endl;
 cout <<"|    60-75     |  C    |   2   |"<<endl;
 cout <<"|    76-85     |  B    |   3   |"<<endl;
 cout <<"|    86-100    |  A    |   4   |"<<endl;
 cout <<"-------------------------------"<<endl;
 cout <<endl;
 cout <<"Banyaknya jumlah Mahasiswa            =  ";
 cin >>jumlah;
 for (n=0;n<jumlah;++n)
 {
  cout <<endl;
  cout <<"Masukan Nama Mahasiswa       =  ";
  gets (nama) ;
  cout <<"Masukan NRP Siswa            =  ";
  cin >>nrp;
  cout <<"Masukan nama mata kuliah     =  ";
  gets (kuliah);
  cout <<"Masukan SKS                  =  ";
  cin >>sks;
  cout <<"Masukan Nilai Mahasiswa      =  ";
  cin >>nilai;
  cout <<"Masukan Mutu Nilai           =  ";
  cin >>mutu;
  switch (mutu)
  {
   case 'a' :
   {
    bobot=4;break;
   }
   case 'b':
   {
    bobot=3;break;
   }
   case 'c':
   {
    bobot=2;break;
   }
   case 'd':
   {
    bobot=1;break;
   }
   case 'e':
   {
    bobot=0;break;
   }
  }
  tn+=(bobot*sks);
  tsks+=sks;
  ip=(tn/tsks);
  cout <<"Mahasiswa yang bernama "<<nama<<" Mendapatkan Nilai IP "<<ip<<endl;
 }
 cout <<endl;
 rrm=(ip+ip)/2;
 cout <<"Rata-Rata IP Kelas ="<<rrm<<endl;
 getch();
}