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BFS Algorithm Implementation for Graph Traversal

Explore Breadth First Search algorithm step by step in C programming to traverse a graph efficiently. Learn how to implement BFS using a FIFO queue data structure.

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BFS Algorithm Implementation for Graph Traversal

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  1. Breadth First Search - C D A B E F G H I front FIFO Queue

  2. Breadth First Search - C D A B E F G H I enqueue source node A front FIFO Queue

  3. Breadth First Search - C D A B E F G H I dequeue next vertex A front FIFO Queue

  4. Breadth First Search - C D A B E F G H I visit neighbors of A front FIFO Queue

  5. Breadth First Search - C D A B E F G H I visit neighbors of A front FIFO Queue

  6. Breadth First Search A - C D A B E F G H I B discovered B front FIFO Queue

  7. Breadth First Search A - C D A B E F G H I visit neighbors of A B front FIFO Queue

  8. Breadth First Search A - C D A B E F G H I A I discovered B I front FIFO Queue

  9. Breadth First Search A - C D A B E F G H I A finished with A B I front FIFO Queue

  10. Breadth First Search A - C D A B E F G H I A dequeue next vertex B I front FIFO Queue

  11. Breadth First Search A - C D A B E F G H I A visit neighbors of B I front FIFO Queue

  12. Breadth First Search A - C D A B E F G H I A visit neighbors of B I front FIFO Queue

  13. Breadth First Search A - C D A B E F G H B I A F discovered I F front FIFO Queue

  14. Breadth First Search A - C D A B E F G H B I A visit neighbors of B I F front FIFO Queue

  15. Breadth First Search A - C D A B E F G H B I A A already discovered I F front FIFO Queue

  16. Breadth First Search A - C D A B E F G H B I A finished with B I F front FIFO Queue

  17. Breadth First Search A - C D A B E F G H B I A dequeue next vertex I F front FIFO Queue

  18. Breadth First Search A - C D A B E F G H B I A visit neighbors of I F front FIFO Queue

  19. Breadth First Search A - C D A B E F G H B I A visit neighbors of I F front FIFO Queue

  20. Breadth First Search A - C D A B E F G H B I A A already discovered F front FIFO Queue

  21. Breadth First Search A - C D A B E F G H B I A visit neighbors of I F front FIFO Queue

  22. Breadth First Search A - C D A B E F G H I B I A E discovered F E front FIFO Queue

  23. Breadth First Search A - C D A B E F G H I B I A visit neighbors of I F E front FIFO Queue

  24. Breadth First Search A - C D A B E F G H I B I A F already discovered F E front FIFO Queue

  25. Breadth First Search A - C D A B E F G H I B I A I finished F E front FIFO Queue

  26. Breadth First Search A - C D A B E F G H I B I A dequeue next vertex F E front FIFO Queue

  27. Breadth First Search A - C D A B E F G H I B I A visit neighbors of F E front FIFO Queue

  28. Breadth First Search A - C D A B E F G H I B F I A G discovered E G front FIFO Queue

  29. Breadth First Search A - C D A B E F G H I B F I A F finished E G front FIFO Queue

  30. Breadth First Search A - C D A B E F G H I B F I A dequeue next vertex E G front FIFO Queue

  31. Breadth First Search A - C D A B E F G H I B F I A visit neighbors of E G front FIFO Queue

  32. Breadth First Search A - C D A B E F G H I B F I A E finished G front FIFO Queue

  33. Breadth First Search A - C D A B E F G H I B F I A dequeue next vertex G front FIFO Queue

  34. Breadth First Search A - C D A B E F G H I B F I A visit neighbors of G front FIFO Queue

  35. Breadth First Search G A - C D A B E F G H I B F I A C discovered C front FIFO Queue

  36. Breadth First Search G A - C D A B E F G H I B F I A visit neighbors of G C front FIFO Queue

  37. Breadth First Search G A - C D A B E F G H I B F G I A H discovered C H front FIFO Queue

  38. Breadth First Search G A - C D A B E F G H I B F G I A G finished C H front FIFO Queue

  39. Breadth First Search G A - C D A B E F G H I B F G I A dequeue next vertex C H front FIFO Queue

  40. Breadth First Search G A - C D A B E F G H I B F G I A visit neighbors of C H front FIFO Queue

  41. Breadth First Search G A - C C D A B E F G H I B F G I A D discovered H D front FIFO Queue

  42. Breadth First Search G A - C C D A B E F G H I B F G I A C finished H D front FIFO Queue

  43. Breadth First Search G A - C C D A B E F G H I B F G I A get next vertex H D front FIFO Queue

  44. Breadth First Search G A - C C D A B E F G H I B F G I A visit neighbors of H D front FIFO Queue

  45. Breadth First Search G A - C C D A B E F G H I B F G I A finished H D front FIFO Queue

  46. Breadth First Search G A - C C D A B E F G H I B F G I A dequeue next vertex D front FIFO Queue

  47. Breadth First Search G A - C C D A B E F G H I B F G I A visit neighbors of D front FIFO Queue

  48. Breadth First Search G A - C C D A B E F G H I B F G I A D finished front FIFO Queue

  49. Breadth First Search G A - C C D A B E F G H I B F G I A dequeue next vertex front FIFO Queue

  50. Breadth First Search G A - C C D A B E F G H I B F G I A STOP front FIFO Queue

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