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Submission #397578

# Submission time Handle Problem Language Result Execution time Memory
397578 2021-05-02T12:28:02 Z timmyfeng Rope (JOI17_rope) C++17
80 / 100
 2500 ms 116708 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 1000001;

int color[N], tally[N], ans[N];
vector<int> pairs[N];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, m;
    cin >> n >> m;

    for (int i = 0; i < n; ++i) {
        cin >> color[i];
        ++tally[color[i]];
    }

    multiset<int> maxi = {0};
    for (int i = 1; i <= m; ++i) {
        maxi.insert(tally[i]);
        ans[i] = INT_MAX;
    }

    for (int k = 0; k < 2; ++k) {
        fill(pairs, pairs + m + 1, vector<int>());
        for (int i = k; i + 2 <= n; i += 2) {
            if (color[i] != color[i + 1]) {
                pairs[color[i]].push_back(color[i + 1]);
                pairs[color[i + 1]].push_back(color[i]);
            }
        }

        for (int i = 1; i <= m; ++i) {
            maxi.erase(maxi.find(tally[i]));

            sort(pairs[i].begin(), pairs[i].end());

            for (int j = 0, k = 0; j < (int) pairs[i].size(); j = k) {
                while (k < (int) pairs[i].size() && pairs[i][j] == pairs[i][k]) {
                    ++k;
                }
                maxi.erase(maxi.find(tally[pairs[i][j]]));
                maxi.insert(tally[pairs[i][j]] - (k - j));
            }

            ans[i] = min(ans[i], n - tally[i] - *(--maxi.end()));

            for (int j = 0, k = 0; j < (int) pairs[i].size(); j = k) {
                while (k < (int) pairs[i].size() && pairs[i][j] == pairs[i][k]) {
                    ++k;
                }
                maxi.erase(maxi.find(tally[pairs[i][j]] - (k - j)));
                maxi.insert(tally[pairs[i][j]]);
            }

            maxi.insert(tally[i]);
        }
    }

    for (int i = 1; i <= m; ++i) {
        cout << ans[i] << "\n";
    }
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23756 KB Output is correct
2 Correct 16 ms 23756 KB Output is correct
3 Correct 15 ms 23756 KB Output is correct
4 Correct 15 ms 23756 KB Output is correct
5 Correct 15 ms 23808 KB Output is correct
6 Correct 16 ms 23700 KB Output is correct
7 Correct 15 ms 23824 KB Output is correct
8 Correct 15 ms 23744 KB Output is correct
9 Correct 16 ms 23756 KB Output is correct
10 Correct 16 ms 23816 KB Output is correct
11 Correct 15 ms 23816 KB Output is correct
12 Correct 15 ms 23716 KB Output is correct
13 Correct 15 ms 23724 KB Output is correct
14 Correct 15 ms 23824 KB Output is correct
15 Correct 16 ms 23784 KB Output is correct
16 Correct 14 ms 23756 KB Output is correct
17 Correct 15 ms 23740 KB Output is correct
18 Correct 15 ms 23756 KB Output is correct
19 Correct 15 ms 23820 KB Output is correct
20 Correct 15 ms 23756 KB Output is correct
21 Correct 16 ms 23756 KB Output is correct
22 Correct 15 ms 23732 KB Output is correct
23 Correct 15 ms 23712 KB Output is correct
24 Correct 15 ms 23820 KB Output is correct
25 Correct 15 ms 23756 KB Output is correct
26 Correct 15 ms 23808 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23756 KB Output is correct
2 Correct 16 ms 23756 KB Output is correct
3 Correct 15 ms 23756 KB Output is correct
4 Correct 15 ms 23756 KB Output is correct
5 Correct 15 ms 23808 KB Output is correct
6 Correct 16 ms 23700 KB Output is correct
7 Correct 15 ms 23824 KB Output is correct
8 Correct 15 ms 23744 KB Output is correct
9 Correct 16 ms 23756 KB Output is correct
10 Correct 16 ms 23816 KB Output is correct
11 Correct 15 ms 23816 KB Output is correct
12 Correct 15 ms 23716 KB Output is correct
13 Correct 15 ms 23724 KB Output is correct
14 Correct 15 ms 23824 KB Output is correct
15 Correct 16 ms 23784 KB Output is correct
16 Correct 14 ms 23756 KB Output is correct
17 Correct 15 ms 23740 KB Output is correct
18 Correct 15 ms 23756 KB Output is correct
19 Correct 15 ms 23820 KB Output is correct
20 Correct 15 ms 23756 KB Output is correct
21 Correct 16 ms 23756 KB Output is correct
22 Correct 15 ms 23732 KB Output is correct
23 Correct 15 ms 23712 KB Output is correct
24 Correct 15 ms 23820 KB Output is correct
25 Correct 15 ms 23756 KB Output is correct
26 Correct 15 ms 23808 KB Output is correct
27 Correct 28 ms 24780 KB Output is correct
28 Correct 26 ms 24640 KB Output is correct
29 Correct 28 ms 24772 KB Output is correct
30 Correct 26 ms 24524 KB Output is correct
31 Correct 28 ms 24696 KB Output is correct
32 Correct 27 ms 24652 KB Output is correct
33 Correct 28 ms 24772 KB Output is correct
34 Correct 26 ms 24616 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23756 KB Output is correct
2 Correct 16 ms 23756 KB Output is correct
3 Correct 15 ms 23756 KB Output is correct
4 Correct 15 ms 23756 KB Output is correct
5 Correct 15 ms 23808 KB Output is correct
6 Correct 16 ms 23700 KB Output is correct
7 Correct 15 ms 23824 KB Output is correct
8 Correct 15 ms 23744 KB Output is correct
9 Correct 16 ms 23756 KB Output is correct
10 Correct 16 ms 23816 KB Output is correct
11 Correct 15 ms 23816 KB Output is correct
12 Correct 15 ms 23716 KB Output is correct
13 Correct 15 ms 23724 KB Output is correct
14 Correct 15 ms 23824 KB Output is correct
15 Correct 16 ms 23784 KB Output is correct
16 Correct 14 ms 23756 KB Output is correct
17 Correct 15 ms 23740 KB Output is correct
18 Correct 15 ms 23756 KB Output is correct
19 Correct 15 ms 23820 KB Output is correct
20 Correct 15 ms 23756 KB Output is correct
21 Correct 16 ms 23756 KB Output is correct
22 Correct 15 ms 23732 KB Output is correct
23 Correct 15 ms 23712 KB Output is correct
24 Correct 15 ms 23820 KB Output is correct
25 Correct 15 ms 23756 KB Output is correct
26 Correct 15 ms 23808 KB Output is correct
27 Correct 28 ms 24780 KB Output is correct
28 Correct 26 ms 24640 KB Output is correct
29 Correct 28 ms 24772 KB Output is correct
30 Correct 26 ms 24524 KB Output is correct
31 Correct 28 ms 24696 KB Output is correct
32 Correct 27 ms 24652 KB Output is correct
33 Correct 28 ms 24772 KB Output is correct
34 Correct 26 ms 24616 KB Output is correct
35 Correct 96 ms 24904 KB Output is correct
36 Correct 93 ms 24800 KB Output is correct
37 Correct 92 ms 24792 KB Output is correct
38 Correct 94 ms 24788 KB Output is correct
39 Correct 93 ms 24828 KB Output is correct
40 Correct 62 ms 24900 KB Output is correct
41 Correct 62 ms 24876 KB Output is correct
42 Correct 56 ms 24792 KB Output is correct
43 Correct 54 ms 24860 KB Output is correct
44 Correct 63 ms 24912 KB Output is correct
45 Correct 68 ms 24780 KB Output is correct
46 Correct 57 ms 24844 KB Output is correct
47 Correct 55 ms 24824 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23756 KB Output is correct
2 Correct 16 ms 23756 KB Output is correct
3 Correct 15 ms 23756 KB Output is correct
4 Correct 15 ms 23756 KB Output is correct
5 Correct 15 ms 23808 KB Output is correct
6 Correct 16 ms 23700 KB Output is correct
7 Correct 15 ms 23824 KB Output is correct
8 Correct 15 ms 23744 KB Output is correct
9 Correct 16 ms 23756 KB Output is correct
10 Correct 16 ms 23816 KB Output is correct
11 Correct 15 ms 23816 KB Output is correct
12 Correct 15 ms 23716 KB Output is correct
13 Correct 15 ms 23724 KB Output is correct
14 Correct 15 ms 23824 KB Output is correct
15 Correct 16 ms 23784 KB Output is correct
16 Correct 14 ms 23756 KB Output is correct
17 Correct 15 ms 23740 KB Output is correct
18 Correct 15 ms 23756 KB Output is correct
19 Correct 15 ms 23820 KB Output is correct
20 Correct 15 ms 23756 KB Output is correct
21 Correct 16 ms 23756 KB Output is correct
22 Correct 15 ms 23732 KB Output is correct
23 Correct 15 ms 23712 KB Output is correct
24 Correct 15 ms 23820 KB Output is correct
25 Correct 15 ms 23756 KB Output is correct
26 Correct 15 ms 23808 KB Output is correct
27 Correct 28 ms 24780 KB Output is correct
28 Correct 26 ms 24640 KB Output is correct
29 Correct 28 ms 24772 KB Output is correct
30 Correct 26 ms 24524 KB Output is correct
31 Correct 28 ms 24696 KB Output is correct
32 Correct 27 ms 24652 KB Output is correct
33 Correct 28 ms 24772 KB Output is correct
34 Correct 26 ms 24616 KB Output is correct
35 Correct 96 ms 24904 KB Output is correct
36 Correct 93 ms 24800 KB Output is correct
37 Correct 92 ms 24792 KB Output is correct
38 Correct 94 ms 24788 KB Output is correct
39 Correct 93 ms 24828 KB Output is correct
40 Correct 62 ms 24900 KB Output is correct
41 Correct 62 ms 24876 KB Output is correct
42 Correct 56 ms 24792 KB Output is correct
43 Correct 54 ms 24860 KB Output is correct
44 Correct 63 ms 24912 KB Output is correct
45 Correct 68 ms 24780 KB Output is correct
46 Correct 57 ms 24844 KB Output is correct
47 Correct 55 ms 24824 KB Output is correct
48 Correct 1116 ms 34548 KB Output is correct
49 Correct 1128 ms 34552 KB Output is correct
50 Correct 1111 ms 34628 KB Output is correct
51 Correct 949 ms 34500 KB Output is correct
52 Correct 795 ms 33524 KB Output is correct
53 Correct 621 ms 33860 KB Output is correct
54 Correct 487 ms 32836 KB Output is correct
55 Correct 464 ms 32632 KB Output is correct
56 Correct 408 ms 32324 KB Output is correct

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23756 KB Output is correct
2 Correct 16 ms 23756 KB Output is correct
3 Correct 15 ms 23756 KB Output is correct
4 Correct 15 ms 23756 KB Output is correct
5 Correct 15 ms 23808 KB Output is correct
6 Correct 16 ms 23700 KB Output is correct
7 Correct 15 ms 23824 KB Output is correct
8 Correct 15 ms 23744 KB Output is correct
9 Correct 16 ms 23756 KB Output is correct
10 Correct 16 ms 23816 KB Output is correct
11 Correct 15 ms 23816 KB Output is correct
12 Correct 15 ms 23716 KB Output is correct
13 Correct 15 ms 23724 KB Output is correct
14 Correct 15 ms 23824 KB Output is correct
15 Correct 16 ms 23784 KB Output is correct
16 Correct 14 ms 23756 KB Output is correct
17 Correct 15 ms 23740 KB Output is correct
18 Correct 15 ms 23756 KB Output is correct
19 Correct 15 ms 23820 KB Output is correct
20 Correct 15 ms 23756 KB Output is correct
21 Correct 16 ms 23756 KB Output is correct
22 Correct 15 ms 23732 KB Output is correct
23 Correct 15 ms 23712 KB Output is correct
24 Correct 15 ms 23820 KB Output is correct
25 Correct 15 ms 23756 KB Output is correct
26 Correct 15 ms 23808 KB Output is correct
27 Correct 28 ms 24780 KB Output is correct
28 Correct 26 ms 24640 KB Output is correct
29 Correct 28 ms 24772 KB Output is correct
30 Correct 26 ms 24524 KB Output is correct
31 Correct 28 ms 24696 KB Output is correct
32 Correct 27 ms 24652 KB Output is correct
33 Correct 28 ms 24772 KB Output is correct
34 Correct 26 ms 24616 KB Output is correct
35 Correct 96 ms 24904 KB Output is correct
36 Correct 93 ms 24800 KB Output is correct
37 Correct 92 ms 24792 KB Output is correct
38 Correct 94 ms 24788 KB Output is correct
39 Correct 93 ms 24828 KB Output is correct
40 Correct 62 ms 24900 KB Output is correct
41 Correct 62 ms 24876 KB Output is correct
42 Correct 56 ms 24792 KB Output is correct
43 Correct 54 ms 24860 KB Output is correct
44 Correct 63 ms 24912 KB Output is correct
45 Correct 68 ms 24780 KB Output is correct
46 Correct 57 ms 24844 KB Output is correct
47 Correct 55 ms 24824 KB Output is correct
48 Correct 1116 ms 34548 KB Output is correct
49 Correct 1128 ms 34552 KB Output is correct
50 Correct 1111 ms 34628 KB Output is correct
51 Correct 949 ms 34500 KB Output is correct
52 Correct 795 ms 33524 KB Output is correct
53 Correct 621 ms 33860 KB Output is correct
54 Correct 487 ms 32836 KB Output is correct
55 Correct 464 ms 32632 KB Output is correct
56 Correct 408 ms 32324 KB Output is correct
57 Execution timed out 2591 ms 116708 KB Time limit exceeded
58 Halted 0 ms 0 KB -