Esempio n. 1
0
    static void Main()
    {
        var(n, m) = Read2();
        var map = GraphConsole.ReadWeightedMap(n + 1, m, true);

        var r = new long[n + 1];

        for (int ev = 1; ev <= n; ev++)
        {
            var result = ShortestPathCore.Dijkstra(n + 1, v => v == 0 ? map[ev] : map[v], 0, ev);
            r[ev] = result.GetCost(ev);
        }
        Console.WriteLine(string.Join("\n", r[1..]));
Esempio n. 2
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    static void Main()
    {
        var(n, m) = Read2();
        var es = Array.ConvertAll(new bool[m], _ => Read());

        var map = EdgesToMap2(n + 1, es, false);

        // 辺を静的に構築すると MLE。
        var r = ShortestPathCore.Dijkstra(n + 1, 51, v =>
        {
            if (v.j == 0)
            {
                return(Array.ConvertAll(map[v.i].ToArray(), e => new Edge(v, (e[1], e[2]), 0)));
            }
Esempio n. 3
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    static object Solve()
    {
        var(h, w) = Read2();
        var a = GraphConsole.ReadIntGrid(h);
        var b = GraphConsole.ReadIntGrid(h - 1);

        Point sv = (0, 0);
        Point ev = (h - 1, w - 1);

        var r = ShortestPathCore.Dijkstra(h * 2, w, v =>
        {
            var es = new List <Edge>();

            if (v.i < h)
            {
                if (v.j < w - 1)
                {
                    es.Add(new Edge(v, v + (0, 1), a[v]));
Esempio n. 4
0
    static void Main()
    {
        var(n, m) = Read2();
        var es = Array.ConvertAll(new bool[m], _ => (Edge)Read());

        var map = new WeightedMap(n + 1, es, false);

        var id      = n;
        var idMap   = new int[n + 1, 51];
        var idMap_r = new List <(int v, long w)>(Enumerable.Range(0, n + 1).Select(i => (i, 0L)));

        void InitId(int v, long w)
        {
            if (idMap[v, w] != 0)
            {
                return;
            }
            idMap[v, w] = ++id;
            idMap_r.Add((v, w));
        }

        foreach (var(v, u, w) in es)
        {
            InitId(v, w);
            InitId(u, w);
        }

        // 辺を静的に構築すると MLE。
        var r = ShortestPathCore.Dijkstra(id + 1, v =>
        {
            if (v <= n)
            {
                return(Array.ConvertAll(map[v], e => new Edge(v, idMap[e.To, e.Cost], 0)));
            }
            else
            {
                var(v0, w) = idMap_r[v];
                return(Array.ConvertAll(map[v0], e => new Edge(v, e.To, (w + e.Cost) * (w + e.Cost))));
            }
        }, 1);

        Console.WriteLine(string.Join(" ", Enumerable.Range(1, n).Select(v => r.GetCost(v))));
    }
Esempio n. 5
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 public WeightedResult Dijkstra(int startVertex, int endVertex = -1)
 {
     return(ShortestPathCore.Dijkstra(VertexesCount, v => this[v], startVertex, endVertex));
 }
Esempio n. 6
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 public WeightedResult Dijkstra(Point startVertex, Point endVertex)
 {
     return(ShortestPathCore.Dijkstra(Height, Width, v => this[v], startVertex, endVertex));
 }