Exemplo n.º 1
0
    void Calc()
    {
        string[] str = Console.ReadLine().Split(' ');
        int      N   = int.Parse(str[0]);
        int      M   = int.Parse(str[1]);

        Data[] D = new Data[N];
        for (int i = 0; i < N; i++)
        {
            str  = Console.ReadLine().Split(' ');
            D[i] = new Data(int.Parse(str[0]), int.Parse(str[1]));
        }
        Array.Sort(D, (x, y) => (x.space - y.space));
        SegTree Seg = new SegTree(M + 1, this);
        int     p   = 0;

        for (int i = 1; i <= M; i++)
        {
            int count;
            while (p < N && D[p].space < i)
            {
                Seg.Add(D[p].l, D[p].r);
                p++;
            }
            count = N - p;
            for (int j = i; j <= M; j += i)
            {
                count += Seg.Get(j);
            }
            sb.Append(count + "\n");
        }
    }
Exemplo n.º 2
0
    void Calc()
    {
        string[] str = Console.ReadLine().Split(' ');
        N   = int.Parse(str[0]);
        M   = int.Parse(str[1]);
        str = Console.ReadLine().Split(' ');
        A   = new int[N];
        for (int i = 0; i < N; i++)
        {
            A[i] = int.Parse(str[i]);
        }
        SegTree Seg = new SegTree(M + 2, this);

        for (int i = 0; i < N - 1; i++)
        {
            if (A[i] < A[i + 1])
            {
                Seg.Add(A[i] + 1, A[i + 1], A[i + 1] + 1, -1);
                Seg.Add(A[i + 1] + 1, M + 1, A[i + 1] - A[i], 0);
                Seg.Add(0, A[i], A[i + 1] - A[i], 0);
            }
            else
            {
                Seg.Add(A[i + 1] + 1, A[i], A[i + 1] - A[i] + M, 0);
                Seg.Add(A[i] + 1, M + 1, A[i + 1] + 1 + M, -1);
                Seg.Add(0, A[i + 1], A[i + 1] + 1, -1);
            }
        }
        long count = 1000000000000;

        for (int i = 1; i <= M; i++)
        {
            count = Math.Min(Seg.Get(i), count);
        }
        sb.Append(count + "\n");
    }
Exemplo n.º 3
0
    void Calc()
    {
        string[] str = Console.ReadLine().Split(' ');
        int      N   = int.Parse(str[0]);
        long     K   = int.Parse(str[1]);

        long[] L   = new long[N];
        long[] R   = new long[N];
        int    eN  = 0;
        long   sum = 0;

        {
            for (int i = 0; i < N; i++)
            {
                str = Console.ReadLine().Split(' ');
                long D = int.Parse(str[0]);
                bool b = int.Parse(str[1]) == 1;
                if (b && 2 * D > K)
                {
                    sb.Append("-1\n");
                    return;
                }
                if (b)
                {
                    L[eN] = K - (((sum + 2 * D) % K) == 0 ? K : ((sum + 2 * D) % K));
                    R[eN] = K - ((sum % K) == 0 ? K : sum % K);
                    eN++;
                }
                sum += 2 * D;
            }
        }
        long[] DPL    = new long[eN];
        long[] DPR    = new long[eN];
        long[] Points = new long[2 * eN];
        int[]  A      = new int[2 * eN];
        for (int i = 0; i < eN; i++)
        {
            Points[2 * i]     = L[i];
            Points[2 * i + 1] = R[i];
            A[2 * i]          = 2 * i;
            A[2 * i + 1]      = 2 * i + 1;
        }
        Array.Sort(Points, A);
        int[] B = new int[2 * eN];
        for (int i = 0; i < 2 * eN; i++)
        {
            B[A[i]] = i;
        }
        SegTree Seg = new SegTree(2 * eN, this);

        for (int i = 4 * eN - 2; i >= 0; i--)
        {
            Seg.X[i] = eN;
        }
        for (int i = eN - 1; i >= 0; i--)
        {
            int lp = B[2 * i];
            int rp = B[2 * i + 1];
            int gL = Seg.Get(lp);
            DPL[i] = gL == eN ? 0 : DPR[gL] + (K + Points[B[2 * gL + 1]] - Points[lp]) % K;
            int gR = Seg.Get(rp);
            DPR[i] = gR == eN ? 0 : DPR[gR] + (K + Points[B[2 * gR + 1]] - Points[rp]) % K;
            int  bf = 0;
            int  bl = 2 * eN;
            long C  = Points[B[2 * i]];
            while (bf != bl)
            {
                int bc = (bf + bl) / 2;
                if (bc == 2 * eN || C < Points[bc])
                {
                    bl = bc;
                }
                else
                {
                    bf = bc + 1;
                }
            }
            int l = bf;
            bf = -1;
            bl = 2 * eN - 1;
            C  = Points[B[2 * i + 1]];
            while (bf != bl)
            {
                int bc = (bf + bl + 1) / 2;
                if (bc == -1 || C > Points[bc])
                {
                    bf = bc;
                }
                else
                {
                    bl = bc - 1;
                }
            }
            int r = bf;
            if (Points[lp] < Points[rp])
            {
                if (l <= r)
                {
                    Seg.Add(i, l, r);
                }
            }
            else
            {
                if (l != 2 * eN)
                {
                    Seg.Add(i, l, 2 * eN - 1);
                }
                if (r != -1)
                {
                    Seg.Add(i, 0, r);
                }
            }
        }
        for (int i = 4 * eN - 2; i >= 0; i--)
        {
            Seg.X[i] = eN;
        }
        long min = DPR[0];

        for (int i = 0; i < eN; i++)
        {
            int lp = B[2 * i];
            int rp = B[2 * i + 1];
            int gL = Seg.Get(lp);
            if (gL == eN)
            {
                min = Math.Min(min, DPL[i]);
            }
            int gR = Seg.Get(rp);
            if (gR == eN)
            {
                min = Math.Min(min, DPR[i]);
            }
            int  bf = 0;
            int  bl = 2 * eN;
            long C  = Points[B[2 * i]];
            while (bf != bl)
            {
                int bc = (bf + bl) / 2;
                if (bc == 2 * eN || C < Points[bc])
                {
                    bl = bc;
                }
                else
                {
                    bf = bc + 1;
                }
            }
            int l = bf;
            bf = -1;
            bl = 2 * eN - 1;
            C  = Points[B[2 * i + 1]];
            while (bf != bl)
            {
                int bc = (bf + bl + 1) / 2;
                if (bc == -1 || C > Points[bc])
                {
                    bf = bc;
                }
                else
                {
                    bl = bc - 1;
                }
            }
            int r = bf;
            if (Points[lp] < Points[rp])
            {
                if (l <= r)
                {
                    Seg.Add(0, l, r);
                }
            }
            else
            {
                if (l != 2 * eN)
                {
                    Seg.Add(0, l, 2 * eN - 1);
                }
                if (r != -1)
                {
                    Seg.Add(0, 0, r);
                }
            }
        }
        sb.Append((min + sum) + "\n");
    }