Last digit K count

Asked in:
Accenture

Problem Description

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:

Output 2:

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.

NOTE: You only need to implement the given function. Do not read input, instead use the arguments to the function. Do not print the output, instead return values as specified. Still have a question? Checkout Sample Codes for more details.

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Asked In:

Accenture

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