Esempio n. 1
0
    private (int Ytop, int Hits) Solve()
    {
        var target  = Target.Parse(_input);
        var xvelmin = 0;

        for (int i = 0; i < target.Xmin; i += xvelmin)
        {
            xvelmin++;
        }

        var ytop = 0;
        var hits = 0;

        for (int yvel = target.Ymin; yvel <= -target.Ymin; yvel++)
        {
            for (int xvel = xvelmin; xvel <= target.Xmax; xvel++)
            {
                var probe = new Probe(xvel, yvel);

                while (probe.CanHit(target))
                {
                    probe.Tick();

                    if (probe.IsHit(target))
                    {
                        ytop = Math.Max(ytop, probe.Ytop);
                        hits++;
                        break;
                    }
                }
            }
        }

        return(ytop, hits);
    }