State whether the following are valid switch statements. If not, explain why. As

Question

State whether the following are valid switch statements. If not, explain why. Assume
that n and digit are int variables.

a) switch (n <= 2)
{
case 0:
cout << "Draw." << end1;
break;
case 1:
cout << "Win." << end1;
break;
case 2:
cout << "Lose." << end1;
break;
}

b) switch (digit / 4)
{
case 0,
case 1:
cout << "low." << end1;
break;
case 1,
case 2:
cout << "middle." << end1;
break;
case 3:
cout << "high." << end1;
}

c) switch (n % 6)
{
case 1:
case 2:
case 3:
case 4:
case 5:
cout << n;
break;
case 0:
cout << end1;
break;
}

d) switch (n % 10)
{
case 2:
case 4:
case 6:
case 8:
cout << "Even";
break;
case 1:
case 3:
case 5:
case 7:
cout << "Odd";
break;
}

Explanation / Answer

a) switch (n <= 2) is not allowed.

b)case 0, comma is not allowed. only colon is allowed.

c)switch statement is correct.

d)switch statement is correct.

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