midGraph Theory
Dijkstra's Algorithm: Shortest Path
Updated Apr 28, 2026
Short answer
Finds the shortest path from a source to all other vertices in a weighted graph with non-negative weights.
Deep explanation
Mid-level Graph theory focuses on classic pathfinding and optimization algorithms. Finds the shortest path from a source to all other vertices in a weighted graph with non-negative weights.
Real-world example
Google Maps finding the fastest route to a destination.
Common mistakes
- Using Dijkstra on a graph with negative edge weights.
Follow-up questions
- Time complexity of Dijkstra?