mediumCountingHash TableString 0 views
Sum of Beauty of All Substrings
The beauty of a string is the difference in frequencies between the most frequent and least frequent characters.
The beauty of a string is the difference in frequencies between the most frequent and least frequent characters.
Given a string s, return the sum of beauty of all of its substrings.
Example 1
Input: s = "aabcb"
Output: 5
Explanation: The substrings with non-zero beauty are ["aab","aabc","aabcb","abcb","bcb"], each with beauty equal to 1.
Example 2
Input: s = "aabcbaa"
Output: 17
Constraints
- 1 <= s.length <= 500
- s consists of only lowercase English letters.
Hints
Companies
No companies reported yet.
Discussion
Sign in to join the discussion.
Loading discussion...
Test results
No test cases yet.