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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main(){
  5.     cout << "---------------------- GPA Calculator ----------------------" << endl;
  6.     int numOfSub, totalHours = 0, hours , ans;
  7.     double GPA = 0;
  8.     string grade;
  9.     cout << "\nDo you have Old GPA? (1 for YES, 0 for NO): ";
  10.     cin >> ans;
  11.     if(ans == 1){
  12.         cout << "\nEnter GPA and number of Credit hours: ";
  13.         cin >> GPA >> hours;
  14.         GPA = GPA * hours;
  15.         totalHours += hours;
  16.     }
  17.     cout << "\nEnter the number of subjects: ";
  18.     cin >> numOfSub;
  19.     for(int i = 1; i <= numOfSub; i++) {
  20.         cout << "\nEnter grade and hours for subject [" << i << "] : ";
  21.         cin >> grade >> hours;
  22.         totalHours += hours;
  23.         if (grade == "A+" || grade == "a+" || grade == "ap") // marks >= 90
  24.             GPA += hours * 4.0;
  25.         else if (grade == "A" || grade == "a") // marks >= 85
  26.             GPA += hours * 3.75;
  27.         else if (grade == "B+" || grade == "b+" || grade == "bp") // marks >= 80
  28.             GPA += hours * 3.4;
  29.         else if (grade == "B" || grade == "b") // marks >= 75
  30.             GPA += hours * 3.1;
  31.         else if (grade == "C+" || grade == "c+" || grade == "cp") // marks >= 70
  32.             GPA += hours * 2.8;
  33.         else if (grade == "C" || grade == "c") // marks >= 65
  34.             GPA += hours * 2.5;
  35.         else if (grade == "D+" || grade == "d+" || grade == "dp") // marks >= 60
  36.             GPA += hours * 2.25;
  37.         else if (grade == "D" || grade == "d") // marks >= 50
  38.             GPA += hours * 2;
  39.         else if (grade == "F" || grade == "f") // marks < 50
  40.             GPA += hours * 1;
  41.     }
  42.     cout << "\nThe GPA is: " << setprecision(3) << GPA / totalHours << " ,and total number of hours is " << totalHours << endl;
  43.     return 0;
  44. }
Success #stdin #stdout 0.01s 5440KB
comments (?)
stdin
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1
3.68 58
7
a 3
ap 3
ap 3
ap 3
cp 3
b 3
a 3
stdout
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---------------------- GPA Calculator ----------------------

Do you have Old GPA? (1 for YES, 0 for NO): 
Enter GPA and number of Credit hours: 
Enter the number of subjects: 
Enter grade and hours for subject [1] : 
Enter grade and hours for subject [2] : 
Enter grade and hours for subject [3] : 
Enter grade and hours for subject [4] : 
Enter grade and hours for subject [5] : 
Enter grade and hours for subject [6] : 
Enter grade and hours for subject [7] : 
The GPA is: 3.67 ,and total number of hours is 79
https://ideone.com/dVg2T2
language:
C++14 (gcc 8.3)
created:
2 years ago
visibility:
public

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