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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. void bfstraversal(int graph[5][5])
  5. {
  6. 	bool visited[5];
  7.     queue<int>q;
  8.     int source=4;
  9.     for(int i=0;i<5;i++)
  10. 	{
  11. 		visited[i]=false;
  12. 	}
  13.     q.push(source);
  14.     visited[source]=true;
  15.     while(!q.empty())
  16.     {
  17.     	int v= q.front();
  18.     	q.pop();
  19.     	printf("%d ",v);
  20.     	for(int i=0;i<5;i++)
  21.     	{
  22.     		if(!visited[i] && graph[v][i])
  23.     		{
  24.     			q.push(i);
  25.     			visited[i]=true;
  26.     		}
  27.     	}
  28.     }
  29. }
  30.  
  31. int main() 
  32. {
  33.     int graph[5][5]={{0,1,0,0,1},
  34. 	                {0,0,1,0,0},
  35. 	                {0,1,0,1,1},
  36. 	                {0,0,1,0,1},
  37. 	                {1,0,0,1,0}};
  38. bfstraversal(graph);
  39. 	return 0;
  40. }
Success #stdin #stdout 0s 5284KB
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Standard input is empty
stdout
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4 0 3 1 2
https://ideone.com/Fh1uoU
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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