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Submission #477668

# Submission time Handle Problem Language Result Execution time Memory
477668 2021-10-03T02:48:39 Z HappyPacMan Minerals (JOI19_minerals) C++14
85 / 100
 83 ms 2928 KB 
#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int curr = 0;

bool change(int u){
    int nxt = Query(u);
    bool res = (nxt != curr);
    curr = nxt;
    return res;
}

void rec(vector<int> &A,vector<int> &B,bool rev){
    int len = A.size();
    if(len == 1){
        Answer(A[0],B[0]);
        return;
    }
    shuffle(A.begin(),A.end(),rng);
    shuffle(B.begin(),B.end(),rng);
    int mid = (rev?382:618)*len/1000;
    if(mid == 0) mid++;
    if(mid == len) mid--;
    vector<int> nA[2],nB[2];
    for(int i=0;i<len;i++){
        if(i < mid){
            change(A[i]);
            nA[0].push_back(A[i]);
        }else nA[1].push_back(A[i]);
    }
    for(int i=0;i<len;i++){
        if(nB[0].size() == nA[0].size()) nB[1].push_back(B[i]);
        else if(nB[1].size() == nA[1].size()) nB[0].push_back(B[i]);
        else if(change(B[i])) nB[rev^1].push_back(B[i]);
        else nB[rev].push_back(B[i]);
    }
    rec(nA[0],nB[0],rev^1);
    rec(nA[1],nB[1],rev);
}

void Solve(int N){
    vector<int> group[2];
    for(int i=1;i<=2*N;i++) group[change(i)].push_back(i);
    rec(group[0],group[1],1);
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 328 KB Output is correct
2 Correct 3 ms 328 KB Output is correct
3 Correct 6 ms 456 KB Output is correct
4 Correct 12 ms 772 KB Output is correct
5 Correct 24 ms 1216 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 328 KB Output is correct
7 Correct 6 ms 456 KB Output is correct
8 Correct 12 ms 772 KB Output is correct
9 Correct 24 ms 1216 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 18 ms 956 KB Output is correct
12 Correct 24 ms 1224 KB Output is correct
13 Correct 23 ms 1224 KB Output is correct
14 Correct 23 ms 1204 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 328 KB Output is correct
7 Correct 6 ms 456 KB Output is correct
8 Correct 12 ms 772 KB Output is correct
9 Correct 24 ms 1216 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 18 ms 956 KB Output is correct
12 Correct 24 ms 1224 KB Output is correct
13 Correct 23 ms 1224 KB Output is correct
14 Correct 23 ms 1204 KB Output is correct
15 Correct 76 ms 2740 KB Output is correct
16 Correct 74 ms 2764 KB Output is correct
17 Correct 72 ms 2856 KB Output is correct
18 Correct 72 ms 2624 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 328 KB Output is correct
7 Correct 6 ms 456 KB Output is correct
8 Correct 12 ms 772 KB Output is correct
9 Correct 24 ms 1216 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 18 ms 956 KB Output is correct
12 Correct 24 ms 1224 KB Output is correct
13 Correct 23 ms 1224 KB Output is correct
14 Correct 23 ms 1204 KB Output is correct
15 Correct 76 ms 2740 KB Output is correct
16 Correct 74 ms 2764 KB Output is correct
17 Correct 72 ms 2856 KB Output is correct
18 Correct 72 ms 2624 KB Output is correct
19 Correct 69 ms 2760 KB Output is correct
20 Correct 83 ms 2804 KB Output is correct
21 Correct 70 ms 2772 KB Output is correct
22 Correct 68 ms 2628 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 328 KB Output is correct
7 Correct 6 ms 456 KB Output is correct
8 Correct 12 ms 772 KB Output is correct
9 Correct 24 ms 1216 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 18 ms 956 KB Output is correct
12 Correct 24 ms 1224 KB Output is correct
13 Correct 23 ms 1224 KB Output is correct
14 Correct 23 ms 1204 KB Output is correct
15 Correct 76 ms 2740 KB Output is correct
16 Correct 74 ms 2764 KB Output is correct
17 Correct 72 ms 2856 KB Output is correct
18 Correct 72 ms 2624 KB Output is correct
19 Correct 69 ms 2760 KB Output is correct
20 Correct 83 ms 2804 KB Output is correct
21 Correct 70 ms 2772 KB Output is correct
22 Correct 68 ms 2628 KB Output is correct
23 Correct 71 ms 2780 KB Output is correct
24 Correct 71 ms 2816 KB Output is correct
25 Correct 71 ms 2816 KB Output is correct
26 Correct 70 ms 2648 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 328 KB Output is correct
7 Correct 6 ms 456 KB Output is correct
8 Correct 12 ms 772 KB Output is correct
9 Correct 24 ms 1216 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 18 ms 956 KB Output is correct
12 Correct 24 ms 1224 KB Output is correct
13 Correct 23 ms 1224 KB Output is correct
14 Correct 23 ms 1204 KB Output is correct
15 Correct 76 ms 2740 KB Output is correct
16 Correct 74 ms 2764 KB Output is correct
17 Correct 72 ms 2856 KB Output is correct
18 Correct 72 ms 2624 KB Output is correct
19 Correct 69 ms 2760 KB Output is correct
20 Correct 83 ms 2804 KB Output is correct
21 Correct 70 ms 2772 KB Output is correct
22 Correct 68 ms 2628 KB Output is correct
23 Correct 71 ms 2780 KB Output is correct
24 Correct 71 ms 2816 KB Output is correct
25 Correct 71 ms 2816 KB Output is correct
26 Correct 70 ms 2648 KB Output is correct
27 Correct 80 ms 2928 KB Output is correct
28 Correct 71 ms 2912 KB Output is correct
29 Correct 71 ms 2880 KB Output is correct
30 Correct 71 ms 2752 KB Output is correct

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 328 KB Output is correct
7 Correct 6 ms 456 KB Output is correct
8 Correct 12 ms 772 KB Output is correct
9 Correct 24 ms 1216 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 18 ms 956 KB Output is correct
12 Correct 24 ms 1224 KB Output is correct
13 Correct 23 ms 1224 KB Output is correct
14 Correct 23 ms 1204 KB Output is correct
15 Correct 76 ms 2740 KB Output is correct
16 Correct 74 ms 2764 KB Output is correct
17 Correct 72 ms 2856 KB Output is correct
18 Correct 72 ms 2624 KB Output is correct
19 Correct 69 ms 2760 KB Output is correct
20 Correct 83 ms 2804 KB Output is correct
21 Correct 70 ms 2772 KB Output is correct
22 Correct 68 ms 2628 KB Output is correct
23 Correct 71 ms 2780 KB Output is correct
24 Correct 71 ms 2816 KB Output is correct
25 Correct 71 ms 2816 KB Output is correct
26 Correct 70 ms 2648 KB Output is correct
27 Correct 80 ms 2928 KB Output is correct
28 Correct 71 ms 2912 KB Output is correct
29 Correct 71 ms 2880 KB Output is correct
30 Correct 71 ms 2752 KB Output is correct
31 Incorrect 83 ms 2880 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 328 KB Output is correct
7 Correct 6 ms 456 KB Output is correct
8 Correct 12 ms 772 KB Output is correct
9 Correct 24 ms 1216 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 18 ms 956 KB Output is correct
12 Correct 24 ms 1224 KB Output is correct
13 Correct 23 ms 1224 KB Output is correct
14 Correct 23 ms 1204 KB Output is correct
15 Correct 76 ms 2740 KB Output is correct
16 Correct 74 ms 2764 KB Output is correct
17 Correct 72 ms 2856 KB Output is correct
18 Correct 72 ms 2624 KB Output is correct
19 Correct 69 ms 2760 KB Output is correct
20 Correct 83 ms 2804 KB Output is correct
21 Correct 70 ms 2772 KB Output is correct
22 Correct 68 ms 2628 KB Output is correct
23 Correct 71 ms 2780 KB Output is correct
24 Correct 71 ms 2816 KB Output is correct
25 Correct 71 ms 2816 KB Output is correct
26 Correct 70 ms 2648 KB Output is correct
27 Correct 80 ms 2928 KB Output is correct
28 Correct 71 ms 2912 KB Output is correct
29 Correct 71 ms 2880 KB Output is correct
30 Correct 71 ms 2752 KB Output is correct
31 Incorrect 83 ms 2880 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -