Here is a Python solution for the problem:

```python
def count_unique_elements(list1, list2):
# Convert both lists to sets
set1 = set(list1)
set2 = set(list2)

# Find the elements that are not common to each list
unique_elements = set1.symmetric_difference(set2)

# Count the number of unique elements
count = len(unique_elements)

return count

# Read the input
listInput1_size = int(input())
list1 = list(map(int, input().split()))
listInput2_size = int(input())
list2 = list(map(int, input().split()))

# Call the function and print the result
print(count_unique_elements(list1, list2))
```

This algorithm works by first converting the input lists to sets, which automatically removes any duplicate elements within each list. Then it uses the `symmetric_difference` method to find the elements that are unique to each set. The `symmetric_difference` method returns a new set that contains all items from both sets, but not the items present in both sets. Finally, it counts the number of unique elements by calling the `len` function on the resulting set.

Question

Here is a Python solution for the problem:

```python
def count_unique_elements(list1, list2):
    # Convert both lists to sets
    set1 = set(list1)
    set2 = set(list2)

# Find the elements that are not common to each list
    unique_elements = set1.symmetric_difference(set2)

# Count the number of unique elements
    count = len(unique_elements)

return count

# Read the input
listInput1_size = int(input())
list1 = list(map(int, input().split()))
listInput2_size = int(input())
list2 = list(map(int, input().split()))

# Call the function and print the result
print(count_unique_elements(list1, list2))
```

This algorithm works by first converting the input lists to sets, which automatically removes any duplicate elements within each list. Then it uses the `symmetric_difference` method to find the elements that are unique to each set. The `symmetric_difference` method returns a new set that contains all items from both sets, but not the items present in both sets. Finally, it counts the number of unique elements by calling the `len` function on the resulting set.

Knowee AI · Accepted Answer

Here is a Python solution for the problem:

```python
def count_unique_elements(list1, list2):
    # Convert both lists to sets
    set1 = set(list1)
    set2 = set(list2)

# Find the elements that are not common to each list
    unique_elements = set1.symmetric_difference(set2)

# Count the number of unique elements
    count = len(unique_elements)

return count

# Read the input
listInput1_size = int(input())
list1 = list(map(int, input().split()))
listInput2_size = int(input())
list2 = list(map(int, input().split()))

# Call the function and print the result
print(count_unique_elements(list1, list2))
```

This algorithm works by first converting the input lists to sets, which automatically removes any duplicate elements within each list. Then it uses the `symmetric_difference` method to find the elements that are unique to each set. The `symmetric_difference` method returns a new set that contains all items from both sets, but not the items present in both sets. Finally, it counts the number of unique elements by calling the `len` function on the resulting set.

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