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Submission #308457

# Submission time Handle Problem Language Result Execution time Memory
308457 2020-10-01T08:18:28 Z andreiomd None (JOI16_matryoshka) C++11
51 / 100
 2000 ms 14968 KB 
#include <iostream>
#include <algorithm>

using namespace std;

const int NMAX = 2e5 + 1, QMAX = 2e5 + 1;
const int TMAX = (NMAX + QMAX - 1);

typedef pair < int, int > PII;
typedef pair < int, PII > PIII;

int N, Q;

PII A[NMAX];
PIII Queries[QMAX];

int B[(TMAX << 1)], V[(TMAX << 1)];

int ans[QMAX];

static inline void Read ()
{
    ios_base :: sync_with_stdio(false);
    cin.tie(nullptr);

    cin >> N >> Q;

    for(int i = 1; i <= N; ++i)
    {
        cin >> A[i].first >> A[i].second;

        B[++B[0]] = A[i].first, B[++B[0]] = A[i].second;
    }

    for(int i = 1; i <= Q; ++i)
    {
        cin >> Queries[i].second.first >> Queries[i].second.second, Queries[i].first = i;

        B[++B[0]] = Queries[i].second.first, B[++B[0]] = Queries[i].second.second;
    }

    return;
}

static inline int Find (int Val)
{
    return (int)(lower_bound(V + 1, V + V[0] + 1, Val) - V);
}

static inline void Replace ()
{
    for(int i = 1; i <= N; ++i)
        A[i].first = Find(A[i].first), A[i].second = Find(A[i].second);

    for(int i = 1; i <= Q;  ++i)
        Queries[i].second.first = Find(Queries[i].second.first), Queries[i].second.second = Find(Queries[i].second.second);

    return;
}

static inline void Normalize ()
{
    sort(B + 1, B + B[0] + 1);

    V[++V[0]] = B[1];

    for(int i = 2; i <= B[0]; ++i)
        if(B[i] != B[i - 1])
            V[++V[0]] = B[i];

    Replace();

    return;
}

auto cmp_1 = [] (PII A, PII B)
{
    if(A.second < B.second)
        return 1;

    if(A.second > B.second)
        return 0;

    if(A.first > B.first)
        return 1;

    return 0;
};

auto cmp_2 = [] (PIII A, PIII B)
{
    if(A.second.second < B.second.second)
        return 1;

    return 0;
};

static inline void Sort ()
{
    sort(A + 1, A + N + 1, cmp_1);
    sort(Queries + 1, Queries + Q + 1, cmp_2);

    return;
}

static inline void Solve ()
{
    int Last_Valid_Position = 0;

    int List[NMAX], l = 0;
    int Stack[NMAX], k = 0;

    for(int p = 1; p <= Q; ++p)
    {
        while(Last_Valid_Position < N && A[Last_Valid_Position + 1].second <= Queries[p].second.second)
            ++Last_Valid_Position;

        l = 0;

        for(int i = 1; i <= Last_Valid_Position; ++i)
            if(A[i].first >= Queries[p].second.first)
                List[++l] = A[i].first;

        k = 0;

        for(int i = 1; i <= l; ++i)
        {
            int X = List[i];

            if(!k)
                Stack[++k] = X;
            else
            {
                int l = 1, r = k, pos = 0;

                while(l <= r)
                {
                    int m = ((l + r) >> 1);

                    if(X > Stack[m])
                        pos = m, r = m - 1;
                    else
                        l = m + 1;
                }

                if(!pos)
                    Stack[++k] = X;
                else
                    Stack[pos] = X;
            }
        }

        ans[Queries[p].first] = k;
    }

    return;
}

static inline void Write ()
{
    for(int i = 1; i <= Q; ++i)
        cout << ans[i] << '\n';

    return;
}

int main()
{
    Read();

    Normalize();

    Sort();

    Solve();

    Write();

    return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 11 ms 512 KB Output is correct
23 Correct 41 ms 628 KB Output is correct
24 Correct 17 ms 512 KB Output is correct
25 Correct 37 ms 632 KB Output is correct
26 Correct 19 ms 640 KB Output is correct
27 Correct 16 ms 640 KB Output is correct
28 Correct 37 ms 632 KB Output is correct
29 Correct 31 ms 512 KB Output is correct
30 Correct 29 ms 512 KB Output is correct
31 Correct 42 ms 632 KB Output is correct
32 Correct 43 ms 620 KB Output is correct
33 Correct 41 ms 640 KB Output is correct
34 Correct 41 ms 632 KB Output is correct
35 Correct 42 ms 632 KB Output is correct

Subtask #4
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 11 ms 512 KB Output is correct
23 Correct 41 ms 628 KB Output is correct
24 Correct 17 ms 512 KB Output is correct
25 Correct 37 ms 632 KB Output is correct
26 Correct 19 ms 640 KB Output is correct
27 Correct 16 ms 640 KB Output is correct
28 Correct 37 ms 632 KB Output is correct
29 Correct 31 ms 512 KB Output is correct
30 Correct 29 ms 512 KB Output is correct
31 Correct 42 ms 632 KB Output is correct
32 Correct 43 ms 620 KB Output is correct
33 Correct 41 ms 640 KB Output is correct
34 Correct 41 ms 632 KB Output is correct
35 Correct 42 ms 632 KB Output is correct
36 Execution timed out 2083 ms 14968 KB Time limit exceeded
37 Halted 0 ms 0 KB -