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Maximum Occurring Character
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Maximum Occurring Character

MediumPython

Problem

Find the maximum occurring character in a string.

Asked in the online assessment stage. Implement the function below. Count every character, including spaces, and treat uppercase and lowercase characters as distinct. If multiple characters have the same maximum frequency, return the one whose final occurrence is latest in the string.

Input and Output

max_occurring_char(s) receives a non-empty string s and returns a one-character string.

Constraints

  • 1 <= len(s) <= 10^5
  • The input is non-empty
  • Characters are case-sensitive
  • Spaces and other ordinary Unicode characters must be counted

Function Signature

def max_occurring_char(s):
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