Find the number of integers in range [A, B] with last digit C.
Problem Constraints 1 <= A <= B <= 109 0 <= C <= 9
Input Format Given three integers A, B and C.
Output Format Return an integer.
Example Input Input 1: A = 11, B = 111, C = 1 Input 2:
A = 1, B = 9, C = 0
Example Output Output 1: 11 Output 2:
0
Example Explanation Explanation 1: The integers are 11, 21, 31, 41, 51, 61, 71, 81, 91, 101, 111 Explanation 2:
There are no integers in the range with last digit 0.