1. https://zenodo.org/record/6975903#.YvHodXZBzIU
  2. https://zenodo.org/record/6975936#.YvHsqHZBzIU
  3. https://zenodo.org/record/6975949#.YvHtyHZBzIU
  4. https://zenodo.org/record/6975963#.YvHu_3ZBzIU
  5. https://zenodo.org/record/6975979#.YvHwG3ZBzIU
  6. https://zenodo.org/record/6975993#.YvHxq3ZBzIU
  7. https://c.mi.com/thread-4124682-1-1.html
  8. https://c.mi.com/thread-4124689-1-1.html
  9. https://c.mi.com/thread-4124695-1-1.html
  10. https://c.mi.com/thread-4124704-1-1.html
  11. http://th.cpp.sh/3fwxf
  12. https://geany.org/p/mfQ9Q/
  13. https://rextester.com/CGD20813
  14. http://th.cpp.sh/5f2my
  15. https://yamcode.com/ymxuiwvxkn
  16. https://pastebin.com/y3cbnzUx
  17. https://coliru.stacked-crooked.com/a/696d5844846d7d58
  18. https://ide.geeksforgeeks.org/14dfcc65-9275-4782-bc05-a1ba9991f1e7