Esempio n. 1
0
        private void Explore(int start)
        {
            _searchData.SetValue(start, RED);

            var queue = new Queue <int>();

            queue.Enqueue(start);
            while (queue.Any())
            {
                var current       = queue.Dequeue();
                var neighborColor = GetNeighborColor(current);
                foreach (var neighbor in _graph.Neighbors(current).Where(i => i != current))
                {
                    if (_searchData.Visited(neighbor))
                    {
                        //Check Visited neighbor is the correct color
                        if (_searchData.GetValue(neighbor) != neighborColor)
                        {
                            throw new NonBipartiteException();
                        }

                        continue;
                    }

                    queue.Enqueue(neighbor);
                    _searchData.SetValue(neighbor, neighborColor);
                }
            }
        }
Esempio n. 2
0
        private void Search(int start)
        {
            _searchData.SetValue(start, 0);

            var queue = new Queue <int>();

            queue.Enqueue(start);
            while (queue.Any())
            {
                var current = queue.Dequeue();
                foreach (var neighbor in _graph.Neighbors(current))
                {
                    if (_searchData.Visited(neighbor))
                    {
                        continue;
                    }

                    queue.Enqueue(neighbor);
                    _searchData.SetValue(neighbor, _searchData.GetValue(current) + 1);
                    _visitedFrom.SetValue(neighbor, current);
                }
            }
        }