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Aryan Mittal. Смотреть видео: 3477 3479 Fruits Into Baskets III II Segment Tree, 3306 Count Of Substrings Containing Every Vowel And K Consonants II Two Pointers Excatly K, 3473 Sum Of K Subarrays With Length At Least M Top Down Bottom Up DP Bottom Up Optimised, 2337 Move Pieces To Obtain A String Strings 2 Pointers.