#include <iostream>
using namespace std;
int main()
{
int score;
char grade;
cout << "Enter your score:" << endl;
cin >> score;
if (score >= 90)
grade = 'a';
else if (score >= 80)
grade = 'b';
else if (score >= 70)
grade = 'c';
else if (score >= 60)
grade = 'd';
else
grade = 'f';
cout << grade << endl;
switch (grade)
{
case 'a':
cout << "Good job" << endl;
break;
case 'c':
cout << "Fair job" << endl;
break;
case 'f':
cout << "Failure" << endl;
break;
default:
cout << "invalid" << endl;
}
cin.get();
return 0;
}
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