oj.uz

답안 #542436

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
542436 2022-03-26T17:40:54 Z two_sides Minerals (JOI19_minerals) C++17
100 / 100
 61 ms 4372 KB 
#include "minerals.h"
#include <bits/stdc++.h>


namespace {
    using namespace std;

    const int N = 43005;

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

    mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());

    void Prepare() {
        cost[1] = 0; best[1] = 1;
        for (int i = 2; 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 - 1;
            best[i] = j;
        }
    }

    void Split(vector<int> x, vector<int> y, bool f) {
        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]);
            else if (nx[1].size() == ny[1].size())
                ny[0].push_back(y[i]);
            else {
                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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 720 KB Output is correct
2 Correct 2 ms 720 KB Output is correct
3 Correct 4 ms 976 KB Output is correct
4 Correct 9 ms 1364 KB Output is correct
5 Correct 16 ms 1872 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 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 2 ms 720 KB Output is correct
6 Correct 2 ms 720 KB Output is correct
7 Correct 4 ms 976 KB Output is correct
8 Correct 9 ms 1364 KB Output is correct
9 Correct 16 ms 1872 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Correct 10 ms 1536 KB Output is correct
12 Correct 17 ms 1944 KB Output is correct
13 Correct 13 ms 1988 KB Output is correct
14 Correct 13 ms 1948 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 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 2 ms 720 KB Output is correct
6 Correct 2 ms 720 KB Output is correct
7 Correct 4 ms 976 KB Output is correct
8 Correct 9 ms 1364 KB Output is correct
9 Correct 16 ms 1872 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Correct 10 ms 1536 KB Output is correct
12 Correct 17 ms 1944 KB Output is correct
13 Correct 13 ms 1988 KB Output is correct
14 Correct 13 ms 1948 KB Output is correct
15 Correct 43 ms 4116 KB Output is correct
16 Correct 42 ms 4056 KB Output is correct
17 Correct 31 ms 4064 KB Output is correct
18 Correct 36 ms 3912 KB Output is correct

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 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 2 ms 720 KB Output is correct
6 Correct 2 ms 720 KB Output is correct
7 Correct 4 ms 976 KB Output is correct
8 Correct 9 ms 1364 KB Output is correct
9 Correct 16 ms 1872 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Correct 10 ms 1536 KB Output is correct
12 Correct 17 ms 1944 KB Output is correct
13 Correct 13 ms 1988 KB Output is correct
14 Correct 13 ms 1948 KB Output is correct
15 Correct 43 ms 4116 KB Output is correct
16 Correct 42 ms 4056 KB Output is correct
17 Correct 31 ms 4064 KB Output is correct
18 Correct 36 ms 3912 KB Output is correct
19 Correct 46 ms 4064 KB Output is correct
20 Correct 57 ms 4172 KB Output is correct
21 Correct 45 ms 4152 KB Output is correct
22 Correct 35 ms 4040 KB Output is correct

Subtask #6
5.0 / 5.0

# 결과 실행 시간 메모리 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 2 ms 720 KB Output is correct
6 Correct 2 ms 720 KB Output is correct
7 Correct 4 ms 976 KB Output is correct
8 Correct 9 ms 1364 KB Output is correct
9 Correct 16 ms 1872 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Correct 10 ms 1536 KB Output is correct
12 Correct 17 ms 1944 KB Output is correct
13 Correct 13 ms 1988 KB Output is correct
14 Correct 13 ms 1948 KB Output is correct
15 Correct 43 ms 4116 KB Output is correct
16 Correct 42 ms 4056 KB Output is correct
17 Correct 31 ms 4064 KB Output is correct
18 Correct 36 ms 3912 KB Output is correct
19 Correct 46 ms 4064 KB Output is correct
20 Correct 57 ms 4172 KB Output is correct
21 Correct 45 ms 4152 KB Output is correct
22 Correct 35 ms 4040 KB Output is correct
23 Correct 61 ms 4224 KB Output is correct
24 Correct 46 ms 4212 KB Output is correct
25 Correct 35 ms 4200 KB Output is correct
26 Correct 38 ms 4064 KB Output is correct

Subtask #7
5.0 / 5.0

# 결과 실행 시간 메모리 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 2 ms 720 KB Output is correct
6 Correct 2 ms 720 KB Output is correct
7 Correct 4 ms 976 KB Output is correct
8 Correct 9 ms 1364 KB Output is correct
9 Correct 16 ms 1872 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Correct 10 ms 1536 KB Output is correct
12 Correct 17 ms 1944 KB Output is correct
13 Correct 13 ms 1988 KB Output is correct
14 Correct 13 ms 1948 KB Output is correct
15 Correct 43 ms 4116 KB Output is correct
16 Correct 42 ms 4056 KB Output is correct
17 Correct 31 ms 4064 KB Output is correct
18 Correct 36 ms 3912 KB Output is correct
19 Correct 46 ms 4064 KB Output is correct
20 Correct 57 ms 4172 KB Output is correct
21 Correct 45 ms 4152 KB Output is correct
22 Correct 35 ms 4040 KB Output is correct
23 Correct 61 ms 4224 KB Output is correct
24 Correct 46 ms 4212 KB Output is correct
25 Correct 35 ms 4200 KB Output is correct
26 Correct 38 ms 4064 KB Output is correct
27 Correct 48 ms 4276 KB Output is correct
28 Correct 56 ms 4292 KB Output is correct
29 Correct 37 ms 4316 KB Output is correct
30 Correct 35 ms 4156 KB Output is correct

Subtask #8
5.0 / 5.0

# 결과 실행 시간 메모리 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 2 ms 720 KB Output is correct
6 Correct 2 ms 720 KB Output is correct
7 Correct 4 ms 976 KB Output is correct
8 Correct 9 ms 1364 KB Output is correct
9 Correct 16 ms 1872 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Correct 10 ms 1536 KB Output is correct
12 Correct 17 ms 1944 KB Output is correct
13 Correct 13 ms 1988 KB Output is correct
14 Correct 13 ms 1948 KB Output is correct
15 Correct 43 ms 4116 KB Output is correct
16 Correct 42 ms 4056 KB Output is correct
17 Correct 31 ms 4064 KB Output is correct
18 Correct 36 ms 3912 KB Output is correct
19 Correct 46 ms 4064 KB Output is correct
20 Correct 57 ms 4172 KB Output is correct
21 Correct 45 ms 4152 KB Output is correct
22 Correct 35 ms 4040 KB Output is correct
23 Correct 61 ms 4224 KB Output is correct
24 Correct 46 ms 4212 KB Output is correct
25 Correct 35 ms 4200 KB Output is correct
26 Correct 38 ms 4064 KB Output is correct
27 Correct 48 ms 4276 KB Output is correct
28 Correct 56 ms 4292 KB Output is correct
29 Correct 37 ms 4316 KB Output is correct
30 Correct 35 ms 4156 KB Output is correct
31 Correct 49 ms 4360 KB Output is correct
32 Correct 54 ms 4372 KB Output is correct
33 Correct 44 ms 4356 KB Output is correct
34 Correct 43 ms 4108 KB Output is correct

Subtask #9
10.0 / 10.0

# 결과 실행 시간 메모리 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 2 ms 720 KB Output is correct
6 Correct 2 ms 720 KB Output is correct
7 Correct 4 ms 976 KB Output is correct
8 Correct 9 ms 1364 KB Output is correct
9 Correct 16 ms 1872 KB Output is correct
10 Correct 1 ms 720 KB Output is correct
11 Correct 10 ms 1536 KB Output is correct
12 Correct 17 ms 1944 KB Output is correct
13 Correct 13 ms 1988 KB Output is correct
14 Correct 13 ms 1948 KB Output is correct
15 Correct 43 ms 4116 KB Output is correct
16 Correct 42 ms 4056 KB Output is correct
17 Correct 31 ms 4064 KB Output is correct
18 Correct 36 ms 3912 KB Output is correct
19 Correct 46 ms 4064 KB Output is correct
20 Correct 57 ms 4172 KB Output is correct
21 Correct 45 ms 4152 KB Output is correct
22 Correct 35 ms 4040 KB Output is correct
23 Correct 61 ms 4224 KB Output is correct
24 Correct 46 ms 4212 KB Output is correct
25 Correct 35 ms 4200 KB Output is correct
26 Correct 38 ms 4064 KB Output is correct
27 Correct 48 ms 4276 KB Output is correct
28 Correct 56 ms 4292 KB Output is correct
29 Correct 37 ms 4316 KB Output is correct
30 Correct 35 ms 4156 KB Output is correct
31 Correct 49 ms 4360 KB Output is correct
32 Correct 54 ms 4372 KB Output is correct
33 Correct 44 ms 4356 KB Output is correct
34 Correct 43 ms 4108 KB Output is correct
35 Correct 54 ms 4344 KB Output is correct
36 Correct 61 ms 4296 KB Output is correct
37 Correct 41 ms 4372 KB Output is correct
38 Correct 49 ms 4208 KB Output is correct