Odd count minus even count
Print the number of odd elements minus the number of even elements.
Reported in: Tech Mahindra (2024) (memory-based)
Input
First line: N. Second line: N integers.
Output
One integer (may be negative).
Constraints
1 ≤ N ≤ 10^5.
Example 1
Input:
7
5 9 4 8 2 3 6
Output:
-1Example 2
Input:
3
1 3 5
Output:
3Hint: One loop with two counters.