Question

Find the errors in following program.

//This program uses a switch statement to assign a

// letter grade (A, B, C, D, or F) to numeric test score.

#include <iostream>

uisng namespace std;

int main()

{

int testScore;

cout<<"Enter your test score and I will tell you\n";

cout<<"the letter grade you earned: ";

cin>>testScore;

switch (testScore)

{

case (testScore < 60)

cout<<"Your grade is F.\n";

break;

case (testScore <70)

cout<<"Your grade is D.\n"

break;

case (testScore <80)

cout<<"Your grade is C.\n";

break;

case (testScore < 90)

cout<<"Your grade is B.\n";

break;

case (testScore <= 100)

cout<<"Yourgrade is A.\n";

break;

default:

cout<<"That score isn't valid\n";

return 0;

}

Answer 1

#include <iostream>
using namespace std;
int main()
{
int testScore;
cout<<"Enter your test score and I will tell you\n";
cout<<"the letter grade you earned: ";
cin>>testScore;
switch (testScore)
{
case 1 ... 59:
cout<<"Your grade is F.\n";
break;
case 60 ... 69:
cout<<"Your grade is D.\n";
break;
case 70 ... 79:
cout<<"Your grade is C.\n";
break;
case 80 ... 89:
cout<<"Your grade is B.\n";
break;
case 90 ... 100:
cout<<"Your grade is A.\n";
break;
default:
cout<<"That score isn't valid\n";
}
return 0;

}