Ejemplo n.º 1
0
        public override void Do()
        {
            var a = read.UnsignedLong();
            var b = read.UnsignedLong();

            while (b > 0 && Max2(a) == Max2(b))
            {
                var m2 = Max2(a);
                a &= ~m2;
                b &= ~m2;
            }
            if (b == 0)
            {
                write.WriteLine(1);
            }
            else
            {
                var m2 = Max2(b);
                var u  = Max2(b & (~m2));
                if (u > 0)
                {
                    u = (u << 1) - 1;
                }
                var res = m2 - a + m2;
                if (u + 1 <= a)
                {
                    res -= a - 1 - u;
                }
                write.WriteLine(res);
            }
        }
Ejemplo n.º 2
0
        public override void Do()
        {
            var h = read.Int();
            var w = read.Int();

            write.WriteLine(Math.Min(Solve(h, w), Solve(w, h)));
        }
Ejemplo n.º 3
0
 public static void ArrayLine <T>(this FormattedStreamWriter writer, T[] array, int n, string format = "{0}", string separator = " ")
 {
     for (int i = 0; i < n; ++i)
     {
         if (i > 0)
         {
             writer.Write(separator);
         }
         writer.Write(format, array[i]);
     }
     writer.WriteLine();
 }
Ejemplo n.º 4
0
        public override void Do()
        {
            var n   = read.Int();
            var m   = read.Int();
            var q   = read.Int();
            var s   = new string[n];
            var dot = Create2DArray <int>(n + 1, m + 1);
            var hor = Create2DArray <int>(n + 1, m + 1);
            var ver = Create2DArray <int>(n + 1, m + 1);

            for (int i = 0; i < n; ++i)
            {
                s[i] = read.String();
                for (int j = 0; j < m; ++j)
                {
                    dot[i + 1][j + 1] = s[i][j] - '0' + dot[i][j + 1] + dot[i + 1][j] - dot[i][j];
                    var hr = 0;
                    if (j > 0 && s[i][j] - '0' == 1 && s[i][j - 1] - '0' == 1)
                    {
                        hr = 1;
                    }
                    hor[i + 1][j + 1] = hr + hor[i][j + 1] + hor[i + 1][j] - hor[i][j];
                    var vr = 0;
                    if (i > 0 && s[i][j] - '0' == 1 && s[i - 1][j] - '0' == 1)
                    {
                        vr = 1;
                    }
                    ver[i + 1][j + 1] = vr + ver[i][j + 1] + ver[i + 1][j] - ver[i][j];
                }
            }
            while (q-- > 0)
            {
                var x1    = read.Int() - 1;
                var y1    = read.Int() - 1;
                var x2    = read.Int() - 1;
                var y2    = read.Int() - 1;
                var dts   = dot[x2 + 1][y2 + 1] + dot[x1][y1] - dot[x2 + 1][y1] - dot[x1][y2 + 1];
                var hors  = 0;
                var verts = 0;
                if (y2 > y1)
                {
                    hors = hor[x2 + 1][y2 + 1] + hor[x1][y1 + 1] - hor[x2 + 1][y1 + 1] - hor[x1][y2 + 1];
                }
                if (x2 > x1)
                {
                    verts = ver[x2 + 1][y2 + 1] + ver[x1 + 1][y1] - ver[x2 + 1][y1] - ver[x1 + 1][y2 + 1];
                }
                write.WriteLine(dts - hors - verts);
            }
        }
Ejemplo n.º 5
0
        public override void Do()
        {
            var t = read.Int();

            for (int caseNum = 1; caseNum <= t; ++caseNum)
            {
                var n    = read.Int();
                var c    = read.Int();
                var m    = read.Int();
                var cust = new int[c];
                var all  = Create2DArray <int>(2, n);
                for (int j = 0; j < m; ++j)
                {
                    var p = read.Int() - 1;
                    var b = read.Int() - 1;
                    if (c <= 2)
                    {
                        ++all[b][p];
                    }
                }
                if (c > 2)
                {
                    write.WriteLine("Case #{0}: {1} {2}", caseNum, -1, -1);
                    continue;
                }
                List <int> coupl = new List <int>();
                for (int i = 0; i < n; ++i)
                {
                    if (all[0][i] > 0 && all[1][i] > 0)
                    {
                        coupl.Add(i);
                    }
                }
                int pos1 = 0;
                int pos2 = 1;
                int res  = 0;
                int imps = 0;
                while (pos2 < coupl.Count)
                {
                    var pa = coupl[pos1];
                    var pb = coupl[pos2];
                    var mn = Math.Min(all[0][pa], all[1][pb]);
                    all[0][pa] -= mn;
                    all[1][pb] -= mn;
                    res        += mn;
                    if (all[0][pa] == 0 && all[1][pb] > 0)
                    {
                        pos1 = pos2;
                    }
                    else if (all[0][pa] == 0 && all[1][pb] == 0)
                    {
                        pos1 = pos2 + 1;
                    }
                    pos2 = pos2 + 1;
                }
                coupl = new List <int>();
                for (int i = 0; i < n; ++i)
                {
                    if (all[0][i] > 0 && all[1][i] > 0)
                    {
                        coupl.Add(i);
                    }
                }
                if (coupl.Count > 1)
                {
                    throw new Exception("bad algo");
                }
                if (coupl.Count == 1)
                {
                    var p = coupl[0];
                    for (int i = 0; i < n && all[0][p] > 0; ++i)
                    {
                        if (i != p && all[1][i] > 0)
                        {
                            var mn = Math.Min(all[0][p], all[1][i]);
                            all[0][p] -= mn;
                            all[1][i] -= mn;
                            res       += mn;
                        }
                    }
                    for (int i = 0; i < n && all[1][p] > 0; ++i)
                    {
                        if (i != p && all[0][i] > 0)
                        {
                            var mn = Math.Min(all[1][p], all[0][i]);
                            all[1][p] -= mn;
                            all[0][i] -= mn;
                            res       += mn;
                        }
                    }
                    if (all[0][p] > 0 && all[1][p] > 0)
                    {
                        if (p > 0)
                        {
                            imps = Math.Min(all[0][p], all[1][p]);
                            res += Math.Max(all[0][p], all[1][p]);
                        }
                        else
                        {
                            res += all[0][p] + all[1][p];
                        }
                    }
                    else
                    {
                        var s0 = all[0].Sum();
                        var s1 = all[1].Sum();
                        res += Math.Max(s0, s1);
                    }
                }
                else
                {
                    var s0 = all[0].Sum();
                    var s1 = all[1].Sum();
                    res += Math.Max(s0, s1);
                }
                write.WriteLine("Case #{0}: {1} {2}", caseNum, res, imps);
            }
        }
Ejemplo n.º 6
0
        public override void Do()
        {
            const int MOD = (int)(1e9 + 7);
            var       n   = read.Int();
            var       m   = read.Int();
            var       lst = Create2DArray <List <int> >(3, n + 1);

            for (int i = 0; i < m; ++i)
            {
                var l = read.Int();
                var r = read.Int();
                var x = read.Int() - 1;
                lst[x][r] = lst[x][r] ?? new List <int>();
                lst[x][r].Add(l);
            }
            var res = Create3DArray <int>(n + 1, n + 1, n + 1);

            res[0][0][0] = 1;
            for (int i = 0; i < n; ++i)
            {
                for (int j = i; j < n; ++j)
                {
                    if (j != i || i == 0)
                    {
                        for (int h = 0; h <= j; ++h)
                        {
                            bool can = true;
                            if (lst[0][j + 1] != null)
                            {
                                foreach (var ls in lst[0][j + 1])
                                {
                                    if (ls <= j)
                                    {
                                        can = false;
                                    }
                                }
                            }
                            if (lst[1][j + 1] != null)
                            {
                                foreach (var ls in lst[1][j + 1])
                                {
                                    if (ls <= i || ls > j)
                                    {
                                        can = false;
                                    }
                                }
                            }
                            if (lst[2][j + 1] != null)
                            {
                                foreach (var ls in lst[2][j + 1])
                                {
                                    if (ls > i)
                                    {
                                        can = false;
                                    }
                                }
                            }
                            if (can)
                            {
                                if (i < h)
                                {
                                    res[i][j][j + 1] += res[i][h][j];
                                }
                                else
                                {
                                    res[i][j][j + 1] += res[h][i][j];
                                }
                                res[i][j][j + 1] %= MOD;
                            }
                        }
                        for (int h = j + 2; h <= n; ++h)
                        {
                            bool can = true;
                            if (lst[0][h] != null)
                            {
                                foreach (var ls in lst[0][h])
                                {
                                    if (ls <= j)
                                    {
                                        can = false;
                                    }
                                }
                            }
                            if (lst[1][h] != null)
                            {
                                foreach (var ls in lst[1][h])
                                {
                                    if (ls <= i || ls > j)
                                    {
                                        can = false;
                                    }
                                }
                            }
                            if (lst[2][h] != null)
                            {
                                foreach (var ls in lst[2][h])
                                {
                                    if (ls > i)
                                    {
                                        can = false;
                                    }
                                }
                            }
                            if (can)
                            {
                                res[i][j][h] += res[i][j][h - 1];
                                res[i][j][h] %= MOD;
                            }
                        }
                    }
                }
            }
            int answer = 0;

            for (int i = 0; i < n; ++i)
            {
                for (int j = 0; j < n; ++j)
                {
                    if (i < j)
                    {
                        answer += res[i][j][n];
                    }
                    else
                    {
                        answer += res[j][i][n];
                    }
                    answer %= MOD;
                }
            }
            write.WriteLine(answer * 3L % MOD);
        }