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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5. int main() { string letterGrade; int units; float pointValue = 0, prod1 = 0, sum = 0, product = 0;
  6.  
  7. while(cin >> letterGrade >> units)
  8. {
  9.  
  10.     if(letterGrade[0] == 'A')
  11.     {
  12.         pointValue += 4;
  13.     }
  14.     else if(letterGrade[0] == 'B')
  15.     {
  16.         if(letterGrade[1] == '+')
  17.         {
  18.             pointValue += 3.5;
  19.         }
  20.         else
  21.             pointValue += 3;
  22.     }
  23.     else if(letterGrade[0] == 'C')
  24.     {
  25.         if(letterGrade[1] == '+')
  26.         {
  27.             pointValue += 2.5;
  28.         }
  29.         else
  30.             pointValue += 2;
  31.     }
  32.  
  33.     else if(letterGrade[0] == 'D')
  34.     {
  35.         pointValue += 1;
  36.     }
  37.  
  38.     product = pointValue * units;
  39.     pointValue = 0;
  40.     prod1 += product;
  41.     sum += units;
  42.  
  43.  
  44.  
  45.  
  46. }
  47.  
  48.  
  49. cout << prod1/sum << endl;
  50.  
  51. return 0;
  52. }
Success #stdin #stdout 0s 2820KB
comments (?)
stdin
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A 3 B 5 B+ 3 C 3
stdout
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3.10714
https://ideone.com/3whSPD
language:
C++ 4.3.2 (gcc-4.3.2)
created:
9 years ago
visibility:
secret

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