2930. Number of Strings Which Can Be Rearranged to Contain Substring

You are given an integer n. A string s is called good if it contains only lowercase English characters and it is possible to rearrange the characters of s such that the new string contains "leet" as a substring. For example: - The string "lteer" is good because we can rearrange it to form "leetr" . - "letl" is not good because we cannot rearrange it to contain "leet" as a substring. Return th