Last index of a character in the string
Basic Accuracy: 78.81% Submissions: 4433 Points: 1

Given a string S  and a character X, the task is to find the last index (0 based indexing) of X in string S. If no index found then the answer will be -1.

Example 1:

Input: S = "Geeks", P = 'e'
Output: 2
Explanation: Last index of 'e'
is 2.


Example 2:

Input: S = "okiyh", P = 'z'
Output: -1
Explanation: There is no character
as 'z'.

You don't need to read input or print anything. Your task is to complete the function LastIndex() which takes the string s and characteras inputs and returns the answer.

Expected Time Complexity: O(|S|)
Expected Auxiliary Space: O(1)

Constraints:
1 ≤ |S| ≤ 105
S and P contain only lower and upper case alphabets.

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