LeetCode 1208. Get Equal Substrings Within Budget in F#

URL https://leetcode.com/problems/get-equal-substrings-within-budget/description/?envType=daily-question&envId=2024-05-28 Code https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/challenge/202405/get_equal_substrings_within_budget/main...