https://ru.wikipedia.org/wiki/%D0%97%D0%B0%D0%B4%D0%B0%D1%87%D0%B0_%D0%BE_%D1%80%D1%8E%D0%BA%D0%B7%D0%B0%D0%BA%D0%B5

2021
RomanBrovko - Nevstruev - Competitive Programming - Knapstack of 6:45
    https://www.youtube.com/watch?v=V5k_haIsu_k