Dijkstras Shortest Path Algorithm Find shortest path from



















- Slides: 19

Dijkstra's Shortest Path Algorithm Find shortest path from s to t. 24 2 9 s 3 18 14 6 30 15 11 5 5 16 20 7 6 2 44 4 19 6 t 1

Dijkstra's Shortest Path Algorithm S={ } PQ = { s, 2, 3, 4, 5, 6, 7, t } 0 s 24 2 9 14 18 30 11 5 5 16 20 7 distance label 6 2 6 15 3 44 4 19 6 t 2

Dijkstra's Shortest Path Algorithm S={ } PQ = { s, 2, 3, 4, 5, 6, 7, t } delmin 0 s 24 2 9 14 18 30 11 5 5 16 20 7 distance label 6 2 6 15 3 44 4 19 6 t 3

Dijkstra's Shortest Path Algorithm S={s} PQ = { 2, 3, 4, 5, 6, 7, t } decrease key X 9 0 s 24 2 9 18 X 14 14 30 11 5 5 16 20 7 distance label 15 X 6 2 6 15 3 44 4 19 6 t 4

Dijkstra's Shortest Path Algorithm S={s} PQ = { 2, 3, 4, 5, 6, 7, t } delmin X 9 0 s 24 2 9 18 X 14 14 30 11 5 5 16 20 7 distance label 15 X 6 2 6 15 3 44 4 19 6 t 5

Dijkstra's Shortest Path Algorithm S = { s, 2 } PQ = { 3, 4, 5, 6, 7, t } X 9 0 s 24 2 9 18 X 14 14 30 11 5 5 16 20 7 15 X 6 2 6 15 3 44 4 19 6 t 6

Dijkstra's Shortest Path Algorithm S = { s, 2 } PQ = { 3, 4, 5, 6, 7, t } decrease key X 33 X 9 0 s 24 2 9 18 X 14 14 30 11 5 5 16 20 7 15 X 6 2 6 15 3 44 4 19 6 t 7

Dijkstra's Shortest Path Algorithm S = { s, 2 } PQ = { 3, 4, 5, 6, 7, t } X 33 X 9 0 s 24 2 9 3 delmin 18 X 14 14 6 30 15 11 5 5 16 20 7 15 X 6 2 44 4 19 6 t 8

Dijkstra's Shortest Path Algorithm S = { s, 2, 6 } PQ = { 3, 4, 5, 7, t } 32 X 33 X X 9 0 s 24 2 9 18 X 14 14 30 44 X 11 5 5 16 20 7 15 X 6 2 6 15 3 44 4 19 6 t 9

Dijkstra's Shortest Path Algorithm S = { s, 2, 6 } PQ = { 3, 4, 5, 7, t } 32 X 33 X X 9 0 s 24 2 9 18 X 14 14 30 44 X 11 5 5 16 20 7 15 X 6 2 6 15 3 44 delmin 4 19 6 t 10

Dijkstra's Shortest Path Algorithm S = { s, 2, 6, 7 } PQ = { 3, 4, 5, t } 32 X 33 X X 9 0 s 24 2 9 18 X 14 14 30 44 X 35 X 5 5 15 X 11 16 20 7 6 2 6 15 3 44 4 19 6 t 59 X 11

Dijkstra's Shortest Path Algorithm S = { s, 2, 6, 7 } PQ = { 3, 4, 5, t } delmin 32 X 33 X X 9 0 s 24 2 9 18 X 14 14 30 44 X 35 X 5 5 15 X 11 16 20 7 6 2 6 15 3 44 4 19 6 t 59 X 12

Dijkstra's Shortest Path Algorithm S = { s, 2, 3, 6, 7 } PQ = { 4, 5, t } 32 X 33 X X 9 0 s 24 2 9 18 X 14 14 30 44 X 35 X 5 5 15 X 11 16 20 7 6 2 6 15 3 44 4 19 6 t 51 59 X X 13

Dijkstra's Shortest Path Algorithm S = { s, 2, 3, 6, 7 } PQ = { 4, 5, t } 32 X 33 X X 9 0 s 24 2 9 18 X 14 14 30 20 7 15 X 44 X 35 X 5 5 6 2 6 15 3 delmin 44 11 16 4 19 6 t 51 59 X X 14

Dijkstra's Shortest Path Algorithm S = { s, 2, 3, 5, 6, 7 } PQ = { 4, t } 32 X 33 X X 9 0 s 24 2 9 18 X 14 14 30 44 X 35 X 5 5 15 X 11 16 20 7 6 2 6 15 3 44 45 X 4 19 6 t 50 51 X 59 X X 15

Dijkstra's Shortest Path Algorithm S = { s, 2, 3, 5, 6, 7 } PQ = { 4, t } 32 X 33 X X 9 0 s 24 2 9 18 X 14 14 30 44 X 35 X 5 5 15 X 11 16 20 7 6 2 6 15 3 44 45 X 4 19 delmin 6 t 50 51 X 59 X X 16

Dijkstra's Shortest Path Algorithm S = { s, 2, 3, 4, 5, 6, 7 } PQ = { t } 32 X 33 X X 9 0 s 24 2 9 18 X 14 14 30 44 X 35 X 5 5 15 X 11 16 20 7 6 2 6 15 3 44 45 X 4 19 6 t 50 51 X 59 X X 17

Dijkstra's Shortest Path Algorithm S = { s, 2, 3, 4, 5, 6, 7 } PQ = { t } 32 X 33 X X 9 0 s 24 2 9 18 X 14 14 30 44 X 35 X 5 5 15 X 11 16 20 7 6 2 6 15 3 44 45 X 4 19 6 t delmin 50 51 X 59 X X 18

Dijkstra's Shortest Path Algorithm S = { s, 2, 3, 4, 5, 6, 7, t } PQ = { } 32 X 33 X X 9 0 s 24 2 9 18 X 14 14 30 44 X 35 X 5 5 15 X 11 16 20 7 6 2 6 15 3 44 45 X 4 19 6 t 50 51 X 59 X X 19
Floyd's algorithm pseudocode
Does dijkstra work with negative edges
Dijkstra's algorithm in discrete mathematics
Shortest path algorithm python
Mincost flow
Length of path
Shortest path algorithm in mapreduce
Shortest path meaning
Find shortest path
Does dijkstra work with negative edges
Shortest path to get food
Difference constraints and shortest paths
Shortest path problem adalah
Shortest path with negative weights
Dijkstra algorithm
Shortest path from source to destination in weighted graph
Single source shortest path in c
Shortest path problem excel
Minimum spanning tree shortest path
Find the shortest distance