Submission #753978

# Submission time Handle Problem Language Result Execution time Memory
753978 2023-06-06T12:18:10 Z jakobrs Art Collections (BOI22_art) C++17
35 / 100
224 ms 292 KB
#include <iostream>
#include <vector>
#include <algorithm>

int publish(std::vector<int> R);
void answer(std::vector<int> R);

template <class A, class B, class C>
void mergesort(A begin, A end, B scratch, C comp) {
    size_t n = std::distance(begin, end);
    if (n <= 1) {
        return;
    }

    auto middle = begin + n/2;

    mergesort(begin, middle, scratch, comp);
    mergesort(middle, end, scratch, comp);

    auto scratch_end = std::merge(begin, middle, middle, end, scratch, comp);
    std::copy(scratch, scratch_end, begin);
}

void solve(int N) {
    // Used for comparisons
    std::vector<int> R;
    std::vector<int> ans;

    for (int i = 1; i <= N; i++) {
        R.push_back(i);
        ans.push_back(i);
    }

    auto comp = [&](int a, int b) {
        // std::cerr << "Comparing " << a << " and " << b << '\n';
        std::vector<int> local_r = R;

        std::swap(local_r[0], local_r[a - 1]);
        if (b == 1) {
            std::swap(local_r[1], local_r[a - 1]);
        } else {
            std::swap(local_r[1], local_r[b - 1]);
        }

        int res1 = publish(local_r);
        std::swap(local_r[0], local_r[1]);
        int res2 = publish(std::move(local_r));

        return res1 < res2;
    };

    std::vector<int> scratch(R.size());

    mergesort(ans.begin(), ans.end(), scratch.begin(), comp);

    answer(ans);
}

Compilation message

interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 7 ms 208 KB Output is correct
11 Correct 5 ms 208 KB Output is correct
12 Correct 5 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 3 ms 208 KB Output is correct
20 Correct 4 ms 248 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 7 ms 208 KB Output is correct
11 Correct 5 ms 208 KB Output is correct
12 Correct 5 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 3 ms 208 KB Output is correct
20 Correct 4 ms 248 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 4 ms 208 KB Output is correct
23 Correct 5 ms 208 KB Output is correct
24 Correct 3 ms 208 KB Output is correct
25 Correct 4 ms 208 KB Output is correct
26 Correct 64 ms 208 KB Output is correct
27 Correct 66 ms 208 KB Output is correct
28 Correct 107 ms 208 KB Output is correct
29 Correct 108 ms 208 KB Output is correct
30 Correct 110 ms 208 KB Output is correct
31 Correct 114 ms 208 KB Output is correct
32 Correct 1 ms 208 KB Output is correct
33 Correct 1 ms 208 KB Output is correct
34 Correct 1 ms 208 KB Output is correct
35 Correct 1 ms 208 KB Output is correct
36 Correct 1 ms 208 KB Output is correct
37 Correct 1 ms 208 KB Output is correct
38 Correct 4 ms 228 KB Output is correct
39 Correct 3 ms 208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 7 ms 208 KB Output is correct
11 Correct 5 ms 208 KB Output is correct
12 Correct 5 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 3 ms 208 KB Output is correct
20 Correct 4 ms 248 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 4 ms 208 KB Output is correct
23 Correct 5 ms 208 KB Output is correct
24 Correct 3 ms 208 KB Output is correct
25 Correct 4 ms 208 KB Output is correct
26 Correct 64 ms 208 KB Output is correct
27 Correct 66 ms 208 KB Output is correct
28 Correct 107 ms 208 KB Output is correct
29 Correct 108 ms 208 KB Output is correct
30 Correct 110 ms 208 KB Output is correct
31 Correct 114 ms 208 KB Output is correct
32 Correct 1 ms 208 KB Output is correct
33 Correct 1 ms 208 KB Output is correct
34 Correct 1 ms 208 KB Output is correct
35 Correct 1 ms 208 KB Output is correct
36 Correct 1 ms 208 KB Output is correct
37 Correct 1 ms 208 KB Output is correct
38 Correct 4 ms 228 KB Output is correct
39 Correct 3 ms 208 KB Output is correct
40 Correct 0 ms 208 KB Output is correct
41 Correct 6 ms 208 KB Output is correct
42 Correct 6 ms 208 KB Output is correct
43 Correct 4 ms 208 KB Output is correct
44 Correct 3 ms 292 KB Output is correct
45 Correct 73 ms 208 KB Output is correct
46 Correct 64 ms 208 KB Output is correct
47 Correct 118 ms 208 KB Output is correct
48 Correct 114 ms 208 KB Output is correct
49 Correct 120 ms 208 KB Output is correct
50 Correct 120 ms 208 KB Output is correct
51 Correct 1 ms 208 KB Output is correct
52 Correct 203 ms 208 KB Output is correct
53 Incorrect 224 ms 208 KB Not correct
54 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 7 ms 208 KB Output is correct
11 Correct 5 ms 208 KB Output is correct
12 Correct 5 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 3 ms 208 KB Output is correct
20 Correct 4 ms 248 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 4 ms 208 KB Output is correct
23 Correct 5 ms 208 KB Output is correct
24 Correct 3 ms 208 KB Output is correct
25 Correct 4 ms 208 KB Output is correct
26 Correct 64 ms 208 KB Output is correct
27 Correct 66 ms 208 KB Output is correct
28 Correct 107 ms 208 KB Output is correct
29 Correct 108 ms 208 KB Output is correct
30 Correct 110 ms 208 KB Output is correct
31 Correct 114 ms 208 KB Output is correct
32 Correct 1 ms 208 KB Output is correct
33 Correct 1 ms 208 KB Output is correct
34 Correct 1 ms 208 KB Output is correct
35 Correct 1 ms 208 KB Output is correct
36 Correct 1 ms 208 KB Output is correct
37 Correct 1 ms 208 KB Output is correct
38 Correct 4 ms 228 KB Output is correct
39 Correct 3 ms 208 KB Output is correct
40 Correct 0 ms 208 KB Output is correct
41 Correct 6 ms 208 KB Output is correct
42 Correct 6 ms 208 KB Output is correct
43 Correct 4 ms 208 KB Output is correct
44 Correct 3 ms 292 KB Output is correct
45 Correct 73 ms 208 KB Output is correct
46 Correct 64 ms 208 KB Output is correct
47 Correct 118 ms 208 KB Output is correct
48 Correct 114 ms 208 KB Output is correct
49 Correct 120 ms 208 KB Output is correct
50 Correct 120 ms 208 KB Output is correct
51 Correct 1 ms 208 KB Output is correct
52 Correct 203 ms 208 KB Output is correct
53 Incorrect 224 ms 208 KB Not correct
54 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 7 ms 208 KB Output is correct
11 Correct 5 ms 208 KB Output is correct
12 Correct 5 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 3 ms 208 KB Output is correct
20 Correct 4 ms 248 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 4 ms 208 KB Output is correct
23 Correct 5 ms 208 KB Output is correct
24 Correct 3 ms 208 KB Output is correct
25 Correct 4 ms 208 KB Output is correct
26 Correct 64 ms 208 KB Output is correct
27 Correct 66 ms 208 KB Output is correct
28 Correct 107 ms 208 KB Output is correct
29 Correct 108 ms 208 KB Output is correct
30 Correct 110 ms 208 KB Output is correct
31 Correct 114 ms 208 KB Output is correct
32 Correct 1 ms 208 KB Output is correct
33 Correct 1 ms 208 KB Output is correct
34 Correct 1 ms 208 KB Output is correct
35 Correct 1 ms 208 KB Output is correct
36 Correct 1 ms 208 KB Output is correct
37 Correct 1 ms 208 KB Output is correct
38 Correct 4 ms 228 KB Output is correct
39 Correct 3 ms 208 KB Output is correct
40 Correct 0 ms 208 KB Output is correct
41 Correct 6 ms 208 KB Output is correct
42 Correct 6 ms 208 KB Output is correct
43 Correct 4 ms 208 KB Output is correct
44 Correct 3 ms 292 KB Output is correct
45 Correct 73 ms 208 KB Output is correct
46 Correct 64 ms 208 KB Output is correct
47 Correct 118 ms 208 KB Output is correct
48 Correct 114 ms 208 KB Output is correct
49 Correct 120 ms 208 KB Output is correct
50 Correct 120 ms 208 KB Output is correct
51 Correct 1 ms 208 KB Output is correct
52 Correct 203 ms 208 KB Output is correct
53 Incorrect 224 ms 208 KB Not correct
54 Halted 0 ms 0 KB -