Tham khảo

  • https://vnoi.info/wiki/algo/graph-theory/breadth-first-search.md
  • https://vnoi.info/wiki/algo/graph-theory/shortest-path.md
  • https://www.youtube.com/watch?v=JtWcUHRyqkA&list=PLux-_phi0Rz3Kx5SPqIRyGR1gDVb5DY1x&index=2
  • https://nhannguyen95.github.io/thuat-toan-tarjan-tim-thanh-phan-lien-thong-manh/