oj.uz

Submission #542427

# Submission time Handle Problem Language Result Execution time Memory
542427 2022-03-26T17:14:45 Z two_sides Minerals (JOI19_minerals) C++17
90 / 100
 42 ms 4552 KB 
#include "minerals.h"
#include <bits/stdc++.h>


namespace {
    using namespace std;

    const int N = 43005;

    int cost[N], best[N], cur = 0;

    void Prepare() {
        cost[2] = 2; best[2] = 1;
        for (int i = 3; i < N; i++) {
            int j = best[i - 1];
            if (cost[i - j - 1] + cost[j + 1] +
            j + 1 < cost[i - j] + cost[j] + j) j++;
            cost[i] = cost[i - j] + cost[j] + j + i;
            best[i] = j;
        }
    }

    void Split(vector<int> x, vector<int> y, bool f) {
        if (x.size() == 2) {
            cur = Query(x[f]);
            int nxt = Query(y[0]);
            if (cur != nxt) {
                Answer(x[0], y[0]);
                Answer(x[1], y[1]);
            } else {
                Answer(x[0], y[1]);
                Answer(x[1], y[0]);
            }
            cur = nxt; return;
        }
        if (x.size() == 1)
            return Answer(x[0], y[0]);
        int n = x.size(), len = best[n];
        vector<int> nx[2], ny[2];
        for (int i = 0; i < len; i++) {
            nx[f ^ 1].push_back(x[i]);
            cur = Query(x[i]);
        }
        for (int i = len; i < n; i++)
            nx[f].push_back(x[i]);
        for (int i = 0; i < n; i++) {
            if (nx[0].size() == ny[0].size()) {
                ny[1].push_back(y[i]); continue;
            }
            int nxt = Query(y[i]);
            if (cur != nxt)
                ny[1].push_back(y[i]);
            else ny[0].push_back(y[i]);
            cur = nxt;
        }
        Split(nx[0], ny[0], 0);
        Split(nx[1], ny[1], 1);
    }
}

void Solve(int n) {
    Prepare(); vector<int> x, y;
    for (int i = 1; i <= 2 * n; i++) {
        int nxt = Query(i);
        if (nxt != cur) x.push_back(i);
        else y.push_back(i);
        cur = nxt;
    }
    Split(x, y, 0);
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 592 KB Output is correct
2 Correct 1 ms 592 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Correct 1 ms 592 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 720 KB Output is correct
2 Correct 2 ms 816 KB Output is correct
3 Correct 4 ms 1008 KB Output is correct
4 Correct 7 ms 1312 KB Output is correct
5 Correct 13 ms 1872 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 592 KB Output is correct
2 Correct 1 ms 592 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Correct 1 ms 592 KB Output is correct
5 Correct 1 ms 720 KB Output is correct
6 Correct 2 ms 816 KB Output is correct
7 Correct 4 ms 1008 KB Output is correct
8 Correct 7 ms 1312 KB Output is correct
9 Correct 13 ms 1872 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Correct 10 ms 1488 KB Output is correct
12 Correct 14 ms 2128 KB Output is correct
13 Correct 11 ms 1944 KB Output is correct
14 Correct 15 ms 1908 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 592 KB Output is correct
2 Correct 1 ms 592 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Correct 1 ms 592 KB Output is correct
5 Correct 1 ms 720 KB Output is correct
6 Correct 2 ms 816 KB Output is correct
7 Correct 4 ms 1008 KB Output is correct
8 Correct 7 ms 1312 KB Output is correct
9 Correct 13 ms 1872 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Correct 10 ms 1488 KB Output is correct
12 Correct 14 ms 2128 KB Output is correct
13 Correct 11 ms 1944 KB Output is correct
14 Correct 15 ms 1908 KB Output is correct
15 Correct 41 ms 3952 KB Output is correct
16 Correct 35 ms 4040 KB Output is correct
17 Correct 29 ms 3944 KB Output is correct
18 Correct 34 ms 3940 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 592 KB Output is correct
2 Correct 1 ms 592 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Correct 1 ms 592 KB Output is correct
5 Correct 1 ms 720 KB Output is correct
6 Correct 2 ms 816 KB Output is correct
7 Correct 4 ms 1008 KB Output is correct
8 Correct 7 ms 1312 KB Output is correct
9 Correct 13 ms 1872 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Correct 10 ms 1488 KB Output is correct
12 Correct 14 ms 2128 KB Output is correct
13 Correct 11 ms 1944 KB Output is correct
14 Correct 15 ms 1908 KB Output is correct
15 Correct 41 ms 3952 KB Output is correct
16 Correct 35 ms 4040 KB Output is correct
17 Correct 29 ms 3944 KB Output is correct
18 Correct 34 ms 3940 KB Output is correct
19 Correct 37 ms 4136 KB Output is correct
20 Correct 37 ms 4144 KB Output is correct
21 Correct 34 ms 4212 KB Output is correct
22 Correct 32 ms 4048 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 592 KB Output is correct
2 Correct 1 ms 592 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Correct 1 ms 592 KB Output is correct
5 Correct 1 ms 720 KB Output is correct
6 Correct 2 ms 816 KB Output is correct
7 Correct 4 ms 1008 KB Output is correct
8 Correct 7 ms 1312 KB Output is correct
9 Correct 13 ms 1872 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Correct 10 ms 1488 KB Output is correct
12 Correct 14 ms 2128 KB Output is correct
13 Correct 11 ms 1944 KB Output is correct
14 Correct 15 ms 1908 KB Output is correct
15 Correct 41 ms 3952 KB Output is correct
16 Correct 35 ms 4040 KB Output is correct
17 Correct 29 ms 3944 KB Output is correct
18 Correct 34 ms 3940 KB Output is correct
19 Correct 37 ms 4136 KB Output is correct
20 Correct 37 ms 4144 KB Output is correct
21 Correct 34 ms 4212 KB Output is correct
22 Correct 32 ms 4048 KB Output is correct
23 Correct 38 ms 4316 KB Output is correct
24 Correct 39 ms 4440 KB Output is correct
25 Correct 33 ms 4280 KB Output is correct
26 Correct 32 ms 4088 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 592 KB Output is correct
2 Correct 1 ms 592 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Correct 1 ms 592 KB Output is correct
5 Correct 1 ms 720 KB Output is correct
6 Correct 2 ms 816 KB Output is correct
7 Correct 4 ms 1008 KB Output is correct
8 Correct 7 ms 1312 KB Output is correct
9 Correct 13 ms 1872 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Correct 10 ms 1488 KB Output is correct
12 Correct 14 ms 2128 KB Output is correct
13 Correct 11 ms 1944 KB Output is correct
14 Correct 15 ms 1908 KB Output is correct
15 Correct 41 ms 3952 KB Output is correct
16 Correct 35 ms 4040 KB Output is correct
17 Correct 29 ms 3944 KB Output is correct
18 Correct 34 ms 3940 KB Output is correct
19 Correct 37 ms 4136 KB Output is correct
20 Correct 37 ms 4144 KB Output is correct
21 Correct 34 ms 4212 KB Output is correct
22 Correct 32 ms 4048 KB Output is correct
23 Correct 38 ms 4316 KB Output is correct
24 Correct 39 ms 4440 KB Output is correct
25 Correct 33 ms 4280 KB Output is correct
26 Correct 32 ms 4088 KB Output is correct
27 Correct 39 ms 4312 KB Output is correct
28 Correct 39 ms 4296 KB Output is correct
29 Correct 38 ms 4392 KB Output is correct
30 Correct 32 ms 4244 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 592 KB Output is correct
2 Correct 1 ms 592 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Correct 1 ms 592 KB Output is correct
5 Correct 1 ms 720 KB Output is correct
6 Correct 2 ms 816 KB Output is correct
7 Correct 4 ms 1008 KB Output is correct
8 Correct 7 ms 1312 KB Output is correct
9 Correct 13 ms 1872 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Correct 10 ms 1488 KB Output is correct
12 Correct 14 ms 2128 KB Output is correct
13 Correct 11 ms 1944 KB Output is correct
14 Correct 15 ms 1908 KB Output is correct
15 Correct 41 ms 3952 KB Output is correct
16 Correct 35 ms 4040 KB Output is correct
17 Correct 29 ms 3944 KB Output is correct
18 Correct 34 ms 3940 KB Output is correct
19 Correct 37 ms 4136 KB Output is correct
20 Correct 37 ms 4144 KB Output is correct
21 Correct 34 ms 4212 KB Output is correct
22 Correct 32 ms 4048 KB Output is correct
23 Correct 38 ms 4316 KB Output is correct
24 Correct 39 ms 4440 KB Output is correct
25 Correct 33 ms 4280 KB Output is correct
26 Correct 32 ms 4088 KB Output is correct
27 Correct 39 ms 4312 KB Output is correct
28 Correct 39 ms 4296 KB Output is correct
29 Correct 38 ms 4392 KB Output is correct
30 Correct 32 ms 4244 KB Output is correct
31 Correct 40 ms 4552 KB Output is correct
32 Correct 42 ms 4448 KB Output is correct
33 Correct 33 ms 4424 KB Output is correct
34 Correct 33 ms 4316 KB Output is correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 592 KB Output is correct
2 Correct 1 ms 592 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Correct 1 ms 592 KB Output is correct
5 Correct 1 ms 720 KB Output is correct
6 Correct 2 ms 816 KB Output is correct
7 Correct 4 ms 1008 KB Output is correct
8 Correct 7 ms 1312 KB Output is correct
9 Correct 13 ms 1872 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Correct 10 ms 1488 KB Output is correct
12 Correct 14 ms 2128 KB Output is correct
13 Correct 11 ms 1944 KB Output is correct
14 Correct 15 ms 1908 KB Output is correct
15 Correct 41 ms 3952 KB Output is correct
16 Correct 35 ms 4040 KB Output is correct
17 Correct 29 ms 3944 KB Output is correct
18 Correct 34 ms 3940 KB Output is correct
19 Correct 37 ms 4136 KB Output is correct
20 Correct 37 ms 4144 KB Output is correct
21 Correct 34 ms 4212 KB Output is correct
22 Correct 32 ms 4048 KB Output is correct
23 Correct 38 ms 4316 KB Output is correct
24 Correct 39 ms 4440 KB Output is correct
25 Correct 33 ms 4280 KB Output is correct
26 Correct 32 ms 4088 KB Output is correct
27 Correct 39 ms 4312 KB Output is correct
28 Correct 39 ms 4296 KB Output is correct
29 Correct 38 ms 4392 KB Output is correct
30 Correct 32 ms 4244 KB Output is correct
31 Correct 40 ms 4552 KB Output is correct
32 Correct 42 ms 4448 KB Output is correct
33 Correct 33 ms 4424 KB Output is correct
34 Correct 33 ms 4316 KB Output is correct
35 Incorrect 39 ms 4456 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -