LeetCode Substring with Concatenation of All Words暴力法暴力法更加暴力的方法
SubstringwithConcatenationofAllWordsYouaregivenastring, S,andalistofwords, L,thatareallofthesamelength.Findallstartingindicesofsubstring(s)inSthatisaconcatenationofeachwordinLexactlyonceandwithoutanyi