Switch vs if comparison - Interactive Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to print "One" when variable x equals 1 using if statement.

C

if (x [1] 1) {
    printf("One\n");
}

Drag options to blanks, or click blank then click option'

A!=

B=

C==

D<

Attempts:

3 left

💡 Hint

Common Mistakes

Using '=' instead of '==' causes assignment, not comparison.

The operator == checks if x is equal to 1 in an if statement.

2fill in blank

medium

Complete the switch statement to handle the case when variable c equals 'a'.

C

switch(c) {
    case [1]:
        printf("Letter a\n");
        break;
}

Drag options to blanks, or click blank then click option'

A'b'

B'a'

C'c'

D'd'

Attempts:

3 left

💡 Hint

Common Mistakes

Using double quotes instead of single quotes for characters.

The case label must match the value to check, so 'a' is correct.

3fill in blank

hard

Fix the error in the if statement condition to correctly check if n is not equal to 0.

C

if (n [1] 0) {
    printf("Non-zero\n");
}

Drag options to blanks, or click blank then click option'

A!=

B<=

C=

D==

Attempts:

3 left

💡 Hint

Common Mistakes

Using '=' instead of '!=' causes assignment, not comparison.

The operator != checks if n is not equal to 0.

4fill in blank

hard

Fill both blanks to complete the switch statement that prints "Weekend" for 6 or 7.

C

switch(day) {
    case [1]:
    case [2]:
        printf("Weekend\n");
        break;
}

Drag options to blanks, or click blank then click option'

A6

B5

C7

D1

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong case numbers for weekend days.

Cases 6 and 7 represent weekend days in this example.

5fill in blank

hard

Fill all three blanks to complete the if-else chain that prints the day type based on day number.

C

if (day [1] 6 || day [2] 7) {
    printf("Weekend\n");
} else if (day [3] 1 && day <= 5) {
    printf("Weekday\n");
}

Drag options to blanks, or click blank then click option'

A==

B>=

C<=

D!=

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong logical operators or comparison signs.

The first two blanks check if day equals 6 or 7. The last blank uses '>=' to check if day is between 1 and 5.