BFS
vector <int> v[10] ; //Vector for maintaining adjacency list explained above
int level[10]; //To determine the level of each node
bool vis[10]; //Mark the node if visited
void bfs(int s) {
queue <int> q;
q.push(s);
level[ s ] = 0 ; //Setting the level of the source node as 0
vis[ s ] = true;
while(!q.empty())
{
int p = q.front();
q.pop();
for(int i = 0;i < v[ p ].size() ; i++)
{
if(vis[ v[ p ][ i ] ] == false)
{
//Setting the level of each node with an increment in the level of parent node
level[ v[ p ][ i ] ] = level[ p ]+1;
q.push(v[ p ][ i ]);
vis[ v[ p ][ i ] ] = true;
}
}
}
}
Famous Falcon