Longest Uniform Character Substring & Length

coinbase Given a string s, find the longest contiguous substring consisting of the same character and return that character along with the length of this substring. Input A string s consisting of only lowercase letters. Output A string representing the character and the length of its longest contiguous occurrence in the format 'character-length'. Example Input: "abbcccddddeeeeee" Output: 'e-6' Constraints The length of the string does not exceed 10^5. Example Input abbcccddddeeeeee