Consecutive Characters

Tags : string, leetcode, cpp, easy

The power of the string is the maximum length of a non-empty substring that contains only one unique character.

Given a string s, return the power of s.

Examples #

Example 1:

Input: s = "leetcode"
Output: 2
Explanation: The substring "ee" is of length 2 with the character 'e' only.

Example 2:

Input: s = "abbcccddddeeeeedcba"
Output: 5
Explanation: The substring "eeeee" is of length 5 with the character 'e' only.

Example 3:

Input: s = "triplepillooooow"
Output: 5

Example 4:

Input: s = "hooraaaaaaaaaaay"
Output: 11

Example 5:

Input: s = "tourist"
Output: 1

Constraints #

Solutions #

class Solution {
public:
    int maxPower(string s) {
      int res = 1, t=1;
      for(int i=1; i<s.size(); i++){
        if(s[i-1]==s[i]) t++;
        else t=1;
        res=max(res,t);
      }
      return res;
    }
};