$$

$1.10()($python networkx $)$

$2.$ O$/$D $$ Dijkstra, A$*,$ Bellman Ford, Floyd Warshall $4$ Shortest path$$

$3.$ Network $$ Shortest path $$

$4.2$ skim matrix $$

$($O$/$D $10*10)$

$5.2$ skim matrix $$ skim matrix$()$