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Switch statement program in c++ to calculate grade points gpa

Switch statement program in c++ to calculate grade points gpa

A simple c++ program  which shows using of  switch statement in c++

C++ Program which takes input a grade and display Grade Points Average GPA

Program takes inputs A,a, B,b, C,c,D,d,F,f other option will be consider as invalid input 

#include<iostream>
using namespace std;
int main()
{
char grade; double gpa=0.0;
cout<<"Enter your Grade=  ";
cin>>grade;
switch(grade)
{
  case'A':
  case'a':
  gpa=4.0;
  cout<<"your GPA is "<<gpa;
  break;
      
    case'B':
    case'b':
    gpa=3.0;
    cout<<"your GPA is "<<gpa;
    break;
      
     case'C':
     case'c':
     gpa=2.0;
     cout<<"your GPA is "<<gpa;
     break;

      case'D':
      case'd':
      gpa=1.0;
      cout<<"your GPA is "<<gpa;
      break;
        
       case'F':
       case'f':
       gpa=0.0;
       cout<<"your GPA is "<<gpa;
       break;
    
    default:
    cout<<"invalid grade entered";
    break;
  }
return 0;
}

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