oj.uz

Submission #486180

# Submission time Handle Problem Language Result Execution time Memory
486180 2021-11-10T17:28:23 Z blue Minerals (JOI19_minerals) C++17
85 / 100
 36 ms 3800 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) && sz(R2) + 1 == sz(L2))
            {
                R2.push_back(r);
            }
            else if(sz(R1) + 1 == sz(L1) && 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 0 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 1 ms 584 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 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 6 ms 1176 KB Output is correct
5 Correct 11 ms 1608 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 0 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 1 ms 584 KB Output is correct
5 Correct 2 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 6 ms 1176 KB Output is correct
9 Correct 11 ms 1608 KB Output is correct
10 Correct 1 ms 712 KB Output is correct
11 Correct 9 ms 1352 KB Output is correct
12 Correct 11 ms 1736 KB Output is correct
13 Correct 10 ms 1736 KB Output is correct
14 Correct 11 ms 1600 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 0 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 1 ms 584 KB Output is correct
5 Correct 2 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 6 ms 1176 KB Output is correct
9 Correct 11 ms 1608 KB Output is correct
10 Correct 1 ms 712 KB Output is correct
11 Correct 9 ms 1352 KB Output is correct
12 Correct 11 ms 1736 KB Output is correct
13 Correct 10 ms 1736 KB Output is correct
14 Correct 11 ms 1600 KB Output is correct
15 Correct 33 ms 3468 KB Output is correct
16 Correct 35 ms 3524 KB Output is correct
17 Correct 29 ms 3384 KB Output is correct
18 Correct 29 ms 3136 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 0 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 1 ms 584 KB Output is correct
5 Correct 2 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 6 ms 1176 KB Output is correct
9 Correct 11 ms 1608 KB Output is correct
10 Correct 1 ms 712 KB Output is correct
11 Correct 9 ms 1352 KB Output is correct
12 Correct 11 ms 1736 KB Output is correct
13 Correct 10 ms 1736 KB Output is correct
14 Correct 11 ms 1600 KB Output is correct
15 Correct 33 ms 3468 KB Output is correct
16 Correct 35 ms 3524 KB Output is correct
17 Correct 29 ms 3384 KB Output is correct
18 Correct 29 ms 3136 KB Output is correct
19 Correct 34 ms 3592 KB Output is correct
20 Correct 34 ms 3500 KB Output is correct
21 Correct 27 ms 3388 KB Output is correct
22 Correct 28 ms 3224 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 0 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 1 ms 584 KB Output is correct
5 Correct 2 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 6 ms 1176 KB Output is correct
9 Correct 11 ms 1608 KB Output is correct
10 Correct 1 ms 712 KB Output is correct
11 Correct 9 ms 1352 KB Output is correct
12 Correct 11 ms 1736 KB Output is correct
13 Correct 10 ms 1736 KB Output is correct
14 Correct 11 ms 1600 KB Output is correct
15 Correct 33 ms 3468 KB Output is correct
16 Correct 35 ms 3524 KB Output is correct
17 Correct 29 ms 3384 KB Output is correct
18 Correct 29 ms 3136 KB Output is correct
19 Correct 34 ms 3592 KB Output is correct
20 Correct 34 ms 3500 KB Output is correct
21 Correct 27 ms 3388 KB Output is correct
22 Correct 28 ms 3224 KB Output is correct
23 Correct 34 ms 3644 KB Output is correct
24 Correct 34 ms 3640 KB Output is correct
25 Correct 29 ms 3544 KB Output is correct
26 Correct 33 ms 3340 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 0 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 1 ms 584 KB Output is correct
5 Correct 2 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 6 ms 1176 KB Output is correct
9 Correct 11 ms 1608 KB Output is correct
10 Correct 1 ms 712 KB Output is correct
11 Correct 9 ms 1352 KB Output is correct
12 Correct 11 ms 1736 KB Output is correct
13 Correct 10 ms 1736 KB Output is correct
14 Correct 11 ms 1600 KB Output is correct
15 Correct 33 ms 3468 KB Output is correct
16 Correct 35 ms 3524 KB Output is correct
17 Correct 29 ms 3384 KB Output is correct
18 Correct 29 ms 3136 KB Output is correct
19 Correct 34 ms 3592 KB Output is correct
20 Correct 34 ms 3500 KB Output is correct
21 Correct 27 ms 3388 KB Output is correct
22 Correct 28 ms 3224 KB Output is correct
23 Correct 34 ms 3644 KB Output is correct
24 Correct 34 ms 3640 KB Output is correct
25 Correct 29 ms 3544 KB Output is correct
26 Correct 33 ms 3340 KB Output is correct
27 Correct 34 ms 3652 KB Output is correct
28 Correct 36 ms 3776 KB Output is correct
29 Correct 28 ms 3700 KB Output is correct
30 Correct 31 ms 3476 KB Output is correct

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 584 KB Output is correct
2 Correct 0 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 1 ms 584 KB Output is correct
5 Correct 2 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 6 ms 1176 KB Output is correct
9 Correct 11 ms 1608 KB Output is correct
10 Correct 1 ms 712 KB Output is correct
11 Correct 9 ms 1352 KB Output is correct
12 Correct 11 ms 1736 KB Output is correct
13 Correct 10 ms 1736 KB Output is correct
14 Correct 11 ms 1600 KB Output is correct
15 Correct 33 ms 3468 KB Output is correct
16 Correct 35 ms 3524 KB Output is correct
17 Correct 29 ms 3384 KB Output is correct
18 Correct 29 ms 3136 KB Output is correct
19 Correct 34 ms 3592 KB Output is correct
20 Correct 34 ms 3500 KB Output is correct
21 Correct 27 ms 3388 KB Output is correct
22 Correct 28 ms 3224 KB Output is correct
23 Correct 34 ms 3644 KB Output is correct
24 Correct 34 ms 3640 KB Output is correct
25 Correct 29 ms 3544 KB Output is correct
26 Correct 33 ms 3340 KB Output is correct
27 Correct 34 ms 3652 KB Output is correct
28 Correct 36 ms 3776 KB Output is correct
29 Correct 28 ms 3700 KB Output is correct
30 Correct 31 ms 3476 KB Output is correct
31 Incorrect 35 ms 3800 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 584 KB Output is correct
2 Correct 0 ms 584 KB Output is correct
3 Correct 0 ms 584 KB Output is correct
4 Correct 1 ms 584 KB Output is correct
5 Correct 2 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 6 ms 1176 KB Output is correct
9 Correct 11 ms 1608 KB Output is correct
10 Correct 1 ms 712 KB Output is correct
11 Correct 9 ms 1352 KB Output is correct
12 Correct 11 ms 1736 KB Output is correct
13 Correct 10 ms 1736 KB Output is correct
14 Correct 11 ms 1600 KB Output is correct
15 Correct 33 ms 3468 KB Output is correct
16 Correct 35 ms 3524 KB Output is correct
17 Correct 29 ms 3384 KB Output is correct
18 Correct 29 ms 3136 KB Output is correct
19 Correct 34 ms 3592 KB Output is correct
20 Correct 34 ms 3500 KB Output is correct
21 Correct 27 ms 3388 KB Output is correct
22 Correct 28 ms 3224 KB Output is correct
23 Correct 34 ms 3644 KB Output is correct
24 Correct 34 ms 3640 KB Output is correct
25 Correct 29 ms 3544 KB Output is correct
26 Correct 33 ms 3340 KB Output is correct
27 Correct 34 ms 3652 KB Output is correct
28 Correct 36 ms 3776 KB Output is correct
29 Correct 28 ms 3700 KB Output is correct
30 Correct 31 ms 3476 KB Output is correct
31 Incorrect 35 ms 3800 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -