oj.uz

Submission #486181

# Submission time Handle Problem Language Result Execution time Memory
486181 2021-11-10T17:29:08 Z blue Minerals (JOI19_minerals) C++17
90 / 100
 52 ms 3896 KB 
#include "minerals.h"
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;

using vi = vector<int>;

const int maxN = 43'000;

int N;

vi mushroom(1+2*maxN, 0);

int last_ans = 0;

int sz(vi& x)
{
    return int(x.size());
}

void dnc(vi L, vi R, bool bL, bool bR)
{
    // cerr << "dnc " << b << " : ";
    // for(int l:L) cerr << l << ' ';
    // cerr << " | ";
    // for(int r:R) cerr << r << ' ';
    // cerr << "\n";
    if(int(L.size()) == 1)
        Answer(L[0], R[0]);
    else if(int(L.size()) == 2)
    {
        if(!bL) last_ans = Query(L[0]);
        else last_ans = Query(L[1]); //0 is active

        int prev_ans = last_ans;
        last_ans = Query(R[0]);
        if(prev_ans == last_ans)
        {
            Answer(L[0], R[0]);
            Answer(L[1], R[1]);
        }
        else
        {
            Answer(L[0], R[1]);
            Answer(L[1], R[0]);
        }
    }
    else
    {
        int K = int(L.size());

        vi L1, L2;
        for(int i = 0; i < K/2; i++)
            L1.push_back(L[i]);

        for(int i = K/2; i < K; i++)
            L2.push_back(L[i]);


        if(bL)
        {
            for(int l: L2)
                last_ans = Query(l);
        }
        else
        {
            for(int l: L1)
                last_ans = Query(l);
        }

        vi R1, R2;

        for(int r:R)
        {
            if(sz(R1) == sz(L1))
            {
                R2.push_back(r);
            }
            else if(sz(R2) == sz(L2))
            {
                R1.push_back(r);
            }
            else
            {
                int prev_ans = last_ans;
                last_ans = Query(r);
                if(last_ans == prev_ans)
                {
                    R1.push_back(r);
                }
                else
                {
                    R2.push_back(r);
                }
            }
        }

        dnc(L1, R1, 1, !bR);
        dnc(L2, R2, 0, !bR);
    }
}

void Solve(int N_)
{
    N = N_;

    int ct = 0;

    for(int i = 1; i <= 2*N; i++)
    {
        last_ans = Query(i);
        if(last_ans > ct)
        {
            // cerr << "increasing ct = " << ct << " at " << i << '\n';
            ct++;
            mushroom[i] = ct;
            // cerr << i << " : " << mushroom[i] << '\n';
        }
    }

    // cerr << "check\n";

    // for(int i = 1; i <= 2*N; i++) cerr << i << " : " << mushroom[i] << '\n';


    vi leftval, rightval;
    for(int i = 1; i <= 2*N; i++)
    {
        if(mushroom[i])
            leftval.push_back(i);
        else
            rightval.push_back(i);
    }

    dnc(leftval, rightval, 1, 1);
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 584 KB Output is correct
2 Correct 1 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 0 ms 584 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 712 KB Output is correct
2 Correct 2 ms 712 KB Output is correct
3 Correct 3 ms 840 KB Output is correct
4 Correct 7 ms 1096 KB Output is correct
5 Correct 17 ms 1572 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 584 KB Output is correct
2 Correct 1 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 0 ms 584 KB Output is correct
5 Correct 1 ms 712 KB Output is correct
6 Correct 2 ms 712 KB Output is correct
7 Correct 3 ms 840 KB Output is correct
8 Correct 7 ms 1096 KB Output is correct
9 Correct 17 ms 1572 KB Output is correct
10 Correct 2 ms 712 KB Output is correct
11 Correct 9 ms 1352 KB Output is correct
12 Correct 16 ms 1736 KB Output is correct
13 Correct 10 ms 1736 KB Output is correct
14 Correct 11 ms 1584 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 584 KB Output is correct
2 Correct 1 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 0 ms 584 KB Output is correct
5 Correct 1 ms 712 KB Output is correct
6 Correct 2 ms 712 KB Output is correct
7 Correct 3 ms 840 KB Output is correct
8 Correct 7 ms 1096 KB Output is correct
9 Correct 17 ms 1572 KB Output is correct
10 Correct 2 ms 712 KB Output is correct
11 Correct 9 ms 1352 KB Output is correct
12 Correct 16 ms 1736 KB Output is correct
13 Correct 10 ms 1736 KB Output is correct
14 Correct 11 ms 1584 KB Output is correct
15 Correct 33 ms 3536 KB Output is correct
16 Correct 32 ms 3476 KB Output is correct
17 Correct 26 ms 3304 KB Output is correct
18 Correct 27 ms 3172 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 584 KB Output is correct
2 Correct 1 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 0 ms 584 KB Output is correct
5 Correct 1 ms 712 KB Output is correct
6 Correct 2 ms 712 KB Output is correct
7 Correct 3 ms 840 KB Output is correct
8 Correct 7 ms 1096 KB Output is correct
9 Correct 17 ms 1572 KB Output is correct
10 Correct 2 ms 712 KB Output is correct
11 Correct 9 ms 1352 KB Output is correct
12 Correct 16 ms 1736 KB Output is correct
13 Correct 10 ms 1736 KB Output is correct
14 Correct 11 ms 1584 KB Output is correct
15 Correct 33 ms 3536 KB Output is correct
16 Correct 32 ms 3476 KB Output is correct
17 Correct 26 ms 3304 KB Output is correct
18 Correct 27 ms 3172 KB Output is correct
19 Correct 42 ms 3504 KB Output is correct
20 Correct 35 ms 3604 KB Output is correct
21 Correct 26 ms 3376 KB Output is correct
22 Correct 27 ms 3208 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 584 KB Output is correct
2 Correct 1 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 0 ms 584 KB Output is correct
5 Correct 1 ms 712 KB Output is correct
6 Correct 2 ms 712 KB Output is correct
7 Correct 3 ms 840 KB Output is correct
8 Correct 7 ms 1096 KB Output is correct
9 Correct 17 ms 1572 KB Output is correct
10 Correct 2 ms 712 KB Output is correct
11 Correct 9 ms 1352 KB Output is correct
12 Correct 16 ms 1736 KB Output is correct
13 Correct 10 ms 1736 KB Output is correct
14 Correct 11 ms 1584 KB Output is correct
15 Correct 33 ms 3536 KB Output is correct
16 Correct 32 ms 3476 KB Output is correct
17 Correct 26 ms 3304 KB Output is correct
18 Correct 27 ms 3172 KB Output is correct
19 Correct 42 ms 3504 KB Output is correct
20 Correct 35 ms 3604 KB Output is correct
21 Correct 26 ms 3376 KB Output is correct
22 Correct 27 ms 3208 KB Output is correct
23 Correct 45 ms 3608 KB Output is correct
24 Correct 47 ms 3620 KB Output is correct
25 Correct 41 ms 3548 KB Output is correct
26 Correct 32 ms 3288 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 584 KB Output is correct
2 Correct 1 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 0 ms 584 KB Output is correct
5 Correct 1 ms 712 KB Output is correct
6 Correct 2 ms 712 KB Output is correct
7 Correct 3 ms 840 KB Output is correct
8 Correct 7 ms 1096 KB Output is correct
9 Correct 17 ms 1572 KB Output is correct
10 Correct 2 ms 712 KB Output is correct
11 Correct 9 ms 1352 KB Output is correct
12 Correct 16 ms 1736 KB Output is correct
13 Correct 10 ms 1736 KB Output is correct
14 Correct 11 ms 1584 KB Output is correct
15 Correct 33 ms 3536 KB Output is correct
16 Correct 32 ms 3476 KB Output is correct
17 Correct 26 ms 3304 KB Output is correct
18 Correct 27 ms 3172 KB Output is correct
19 Correct 42 ms 3504 KB Output is correct
20 Correct 35 ms 3604 KB Output is correct
21 Correct 26 ms 3376 KB Output is correct
22 Correct 27 ms 3208 KB Output is correct
23 Correct 45 ms 3608 KB Output is correct
24 Correct 47 ms 3620 KB Output is correct
25 Correct 41 ms 3548 KB Output is correct
26 Correct 32 ms 3288 KB Output is correct
27 Correct 35 ms 3676 KB Output is correct
28 Correct 39 ms 3740 KB Output is correct
29 Correct 28 ms 3672 KB Output is correct
30 Correct 29 ms 3528 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 584 KB Output is correct
2 Correct 1 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 0 ms 584 KB Output is correct
5 Correct 1 ms 712 KB Output is correct
6 Correct 2 ms 712 KB Output is correct
7 Correct 3 ms 840 KB Output is correct
8 Correct 7 ms 1096 KB Output is correct
9 Correct 17 ms 1572 KB Output is correct
10 Correct 2 ms 712 KB Output is correct
11 Correct 9 ms 1352 KB Output is correct
12 Correct 16 ms 1736 KB Output is correct
13 Correct 10 ms 1736 KB Output is correct
14 Correct 11 ms 1584 KB Output is correct
15 Correct 33 ms 3536 KB Output is correct
16 Correct 32 ms 3476 KB Output is correct
17 Correct 26 ms 3304 KB Output is correct
18 Correct 27 ms 3172 KB Output is correct
19 Correct 42 ms 3504 KB Output is correct
20 Correct 35 ms 3604 KB Output is correct
21 Correct 26 ms 3376 KB Output is correct
22 Correct 27 ms 3208 KB Output is correct
23 Correct 45 ms 3608 KB Output is correct
24 Correct 47 ms 3620 KB Output is correct
25 Correct 41 ms 3548 KB Output is correct
26 Correct 32 ms 3288 KB Output is correct
27 Correct 35 ms 3676 KB Output is correct
28 Correct 39 ms 3740 KB Output is correct
29 Correct 28 ms 3672 KB Output is correct
30 Correct 29 ms 3528 KB Output is correct
31 Correct 52 ms 3784 KB Output is correct
32 Correct 44 ms 3744 KB Output is correct
33 Correct 34 ms 3740 KB Output is correct
34 Correct 34 ms 3556 KB Output is correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 584 KB Output is correct
2 Correct 1 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 0 ms 584 KB Output is correct
5 Correct 1 ms 712 KB Output is correct
6 Correct 2 ms 712 KB Output is correct
7 Correct 3 ms 840 KB Output is correct
8 Correct 7 ms 1096 KB Output is correct
9 Correct 17 ms 1572 KB Output is correct
10 Correct 2 ms 712 KB Output is correct
11 Correct 9 ms 1352 KB Output is correct
12 Correct 16 ms 1736 KB Output is correct
13 Correct 10 ms 1736 KB Output is correct
14 Correct 11 ms 1584 KB Output is correct
15 Correct 33 ms 3536 KB Output is correct
16 Correct 32 ms 3476 KB Output is correct
17 Correct 26 ms 3304 KB Output is correct
18 Correct 27 ms 3172 KB Output is correct
19 Correct 42 ms 3504 KB Output is correct
20 Correct 35 ms 3604 KB Output is correct
21 Correct 26 ms 3376 KB Output is correct
22 Correct 27 ms 3208 KB Output is correct
23 Correct 45 ms 3608 KB Output is correct
24 Correct 47 ms 3620 KB Output is correct
25 Correct 41 ms 3548 KB Output is correct
26 Correct 32 ms 3288 KB Output is correct
27 Correct 35 ms 3676 KB Output is correct
28 Correct 39 ms 3740 KB Output is correct
29 Correct 28 ms 3672 KB Output is correct
30 Correct 29 ms 3528 KB Output is correct
31 Correct 52 ms 3784 KB Output is correct
32 Correct 44 ms 3744 KB Output is correct
33 Correct 34 ms 3740 KB Output is correct
34 Correct 34 ms 3556 KB Output is correct
35 Incorrect 39 ms 3896 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -