https://alexanderskulikov.github.io/
https://math-cs.spbu.ru/people/kulikov-a-s/
https://www.lektorium.tv/speaker/2678
    https://stepik.org/course/217/promo

Proofs, ChatGPT and Python
    https://stepik.org/course/193192/promo
Kulikov Pevzner
    https://cogniterra.org/course/24/promo
    https://www.coursera.org/specializations/data-structures-algorithms

2014
https://www.youtube.com/playlist?list=PLG67RuYa9mGme3R7_u384wPOFx4SzT-5u
https://www.youtube.com/playlist?list=PL_622KRNv4cwQ42blWuBg116eP67DHJkr
https://www.youtube.com/playlist?list=PLBmETFttPL1OHGBTpJ6o-bOzuhE3Og2Ld
https://www.youtube.com/playlist?list=PL-_cKNuVAYAUhJ1CdU0wiEDQj58E51Zn-
https://www.youtube.com/playlist?list=PLtWKktkq8nT6fLitiR0ckMLCuEpwR94Nq
for NP-hard
https://www.youtube.com/playlist?list=PLlb7e2G7aSpSJlQG4gWGzOLFTARcmsZ7m
https://www.youtube.com/playlist?list=PL-_cKNuVAYAXtq19o2pZvLev0wgeGBqXW
https://www.youtube.com/playlist?list=PL-_cKNuVAYAWpKLONs_YYrEwH7KrSPn9u