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3110. Score of a String

You are given a string s. The score of a string is defined as the sum of the absolute difference between the ASCII values of adjacent characters.

Return the score of s.

Example 1:

Input: s = "hello"

Output: 13

Explanation:

The ASCII values of the characters in s are: 'h' = 104, 'e' = 101, 'l' = 108, 'o' = 111. So, the score of s would be |104 - 101| + |101 - 108| + |108 - 108| + |108 - 111| = 3 + 7 + 0 + 3 = 13.

Example 2:

Input: s = "zaz"

Output: 50

Explanation:

The ASCII values of the characters in s are: 'z' = 122, 'a' = 97. So, the score of s would be |122 - 97| + |97 - 122| = 25 + 25 = 50.

Constraints:

  • 2 <= s.length <= 100
  • s consists only of lowercase English letters.

Solution:

class Solution {
    public int scoreOfString(String s) {
        int result = 0;

        for (int i = 0; i < s.length()-1; i++){
            int cur = s.charAt(i);
            int next = s.charAt(i + 1);

            result += Math.abs(cur - next);
        }

        return result;
    }
}