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Submission #397575

# Submission time Handle Problem Language Result Execution time Memory
397575 2021-05-02T12:21:56 Z timmyfeng Rope (JOI17_rope) C++17
55 / 100
 2500 ms 96152 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 1000001;

int color[N], tally[N], ans[N];
map<int, 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, map<int, int>());

        for (int i = k; i + 2 <= n; i += 2) {
            if (color[i] != color[i + 1]) {
                ++pairs[color[i]][color[i + 1]];
                ++pairs[color[i + 1]][color[i]];
            }
        }

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

            for (auto [j, k] : pairs[i]) {
                assert(maxi.find(tally[j]) != maxi.end());
                maxi.erase(maxi.find(tally[j]));
                maxi.insert(tally[j] - k);
            }

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

            for (auto [j, k] : pairs[i]) {
                assert(maxi.find(tally[j] - k) != maxi.end());
                maxi.erase(maxi.find(tally[j] - k));
                maxi.insert(tally[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 29 ms 47308 KB Output is correct
2 Correct 30 ms 47220 KB Output is correct
3 Correct 30 ms 47196 KB Output is correct
4 Correct 28 ms 47224 KB Output is correct
5 Correct 30 ms 47248 KB Output is correct
6 Correct 29 ms 47308 KB Output is correct
7 Correct 30 ms 47240 KB Output is correct
8 Correct 30 ms 47180 KB Output is correct
9 Correct 29 ms 47280 KB Output is correct
10 Correct 30 ms 47312 KB Output is correct
11 Correct 29 ms 47292 KB Output is correct
12 Correct 29 ms 47308 KB Output is correct
13 Correct 29 ms 47308 KB Output is correct
14 Correct 30 ms 47308 KB Output is correct
15 Correct 29 ms 47236 KB Output is correct
16 Correct 30 ms 47304 KB Output is correct
17 Correct 29 ms 47308 KB Output is correct
18 Correct 29 ms 47308 KB Output is correct
19 Correct 29 ms 47180 KB Output is correct
20 Correct 30 ms 47300 KB Output is correct
21 Correct 29 ms 47300 KB Output is correct
22 Correct 30 ms 47280 KB Output is correct
23 Correct 33 ms 47172 KB Output is correct
24 Correct 36 ms 47292 KB Output is correct
25 Correct 30 ms 47172 KB Output is correct
26 Correct 29 ms 47228 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 47308 KB Output is correct
2 Correct 30 ms 47220 KB Output is correct
3 Correct 30 ms 47196 KB Output is correct
4 Correct 28 ms 47224 KB Output is correct
5 Correct 30 ms 47248 KB Output is correct
6 Correct 29 ms 47308 KB Output is correct
7 Correct 30 ms 47240 KB Output is correct
8 Correct 30 ms 47180 KB Output is correct
9 Correct 29 ms 47280 KB Output is correct
10 Correct 30 ms 47312 KB Output is correct
11 Correct 29 ms 47292 KB Output is correct
12 Correct 29 ms 47308 KB Output is correct
13 Correct 29 ms 47308 KB Output is correct
14 Correct 30 ms 47308 KB Output is correct
15 Correct 29 ms 47236 KB Output is correct
16 Correct 30 ms 47304 KB Output is correct
17 Correct 29 ms 47308 KB Output is correct
18 Correct 29 ms 47308 KB Output is correct
19 Correct 29 ms 47180 KB Output is correct
20 Correct 30 ms 47300 KB Output is correct
21 Correct 29 ms 47300 KB Output is correct
22 Correct 30 ms 47280 KB Output is correct
23 Correct 33 ms 47172 KB Output is correct
24 Correct 36 ms 47292 KB Output is correct
25 Correct 30 ms 47172 KB Output is correct
26 Correct 29 ms 47228 KB Output is correct
27 Correct 39 ms 47844 KB Output is correct
28 Correct 38 ms 47832 KB Output is correct
29 Correct 40 ms 47808 KB Output is correct
30 Correct 39 ms 47856 KB Output is correct
31 Correct 42 ms 47952 KB Output is correct
32 Correct 38 ms 47780 KB Output is correct
33 Correct 41 ms 47820 KB Output is correct
34 Correct 39 ms 47808 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 47308 KB Output is correct
2 Correct 30 ms 47220 KB Output is correct
3 Correct 30 ms 47196 KB Output is correct
4 Correct 28 ms 47224 KB Output is correct
5 Correct 30 ms 47248 KB Output is correct
6 Correct 29 ms 47308 KB Output is correct
7 Correct 30 ms 47240 KB Output is correct
8 Correct 30 ms 47180 KB Output is correct
9 Correct 29 ms 47280 KB Output is correct
10 Correct 30 ms 47312 KB Output is correct
11 Correct 29 ms 47292 KB Output is correct
12 Correct 29 ms 47308 KB Output is correct
13 Correct 29 ms 47308 KB Output is correct
14 Correct 30 ms 47308 KB Output is correct
15 Correct 29 ms 47236 KB Output is correct
16 Correct 30 ms 47304 KB Output is correct
17 Correct 29 ms 47308 KB Output is correct
18 Correct 29 ms 47308 KB Output is correct
19 Correct 29 ms 47180 KB Output is correct
20 Correct 30 ms 47300 KB Output is correct
21 Correct 29 ms 47300 KB Output is correct
22 Correct 30 ms 47280 KB Output is correct
23 Correct 33 ms 47172 KB Output is correct
24 Correct 36 ms 47292 KB Output is correct
25 Correct 30 ms 47172 KB Output is correct
26 Correct 29 ms 47228 KB Output is correct
27 Correct 39 ms 47844 KB Output is correct
28 Correct 38 ms 47832 KB Output is correct
29 Correct 40 ms 47808 KB Output is correct
30 Correct 39 ms 47856 KB Output is correct
31 Correct 42 ms 47952 KB Output is correct
32 Correct 38 ms 47780 KB Output is correct
33 Correct 41 ms 47820 KB Output is correct
34 Correct 39 ms 47808 KB Output is correct
35 Correct 177 ms 51932 KB Output is correct
36 Correct 175 ms 52040 KB Output is correct
37 Correct 168 ms 51884 KB Output is correct
38 Correct 179 ms 52036 KB Output is correct
39 Correct 175 ms 51848 KB Output is correct
40 Correct 104 ms 50116 KB Output is correct
41 Correct 101 ms 49992 KB Output is correct
42 Correct 87 ms 49572 KB Output is correct
43 Correct 88 ms 49484 KB Output is correct
44 Correct 103 ms 50104 KB Output is correct
45 Correct 103 ms 50076 KB Output is correct
46 Correct 89 ms 49676 KB Output is correct
47 Correct 89 ms 49716 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 47308 KB Output is correct
2 Correct 30 ms 47220 KB Output is correct
3 Correct 30 ms 47196 KB Output is correct
4 Correct 28 ms 47224 KB Output is correct
5 Correct 30 ms 47248 KB Output is correct
6 Correct 29 ms 47308 KB Output is correct
7 Correct 30 ms 47240 KB Output is correct
8 Correct 30 ms 47180 KB Output is correct
9 Correct 29 ms 47280 KB Output is correct
10 Correct 30 ms 47312 KB Output is correct
11 Correct 29 ms 47292 KB Output is correct
12 Correct 29 ms 47308 KB Output is correct
13 Correct 29 ms 47308 KB Output is correct
14 Correct 30 ms 47308 KB Output is correct
15 Correct 29 ms 47236 KB Output is correct
16 Correct 30 ms 47304 KB Output is correct
17 Correct 29 ms 47308 KB Output is correct
18 Correct 29 ms 47308 KB Output is correct
19 Correct 29 ms 47180 KB Output is correct
20 Correct 30 ms 47300 KB Output is correct
21 Correct 29 ms 47300 KB Output is correct
22 Correct 30 ms 47280 KB Output is correct
23 Correct 33 ms 47172 KB Output is correct
24 Correct 36 ms 47292 KB Output is correct
25 Correct 30 ms 47172 KB Output is correct
26 Correct 29 ms 47228 KB Output is correct
27 Correct 39 ms 47844 KB Output is correct
28 Correct 38 ms 47832 KB Output is correct
29 Correct 40 ms 47808 KB Output is correct
30 Correct 39 ms 47856 KB Output is correct
31 Correct 42 ms 47952 KB Output is correct
32 Correct 38 ms 47780 KB Output is correct
33 Correct 41 ms 47820 KB Output is correct
34 Correct 39 ms 47808 KB Output is correct
35 Correct 177 ms 51932 KB Output is correct
36 Correct 175 ms 52040 KB Output is correct
37 Correct 168 ms 51884 KB Output is correct
38 Correct 179 ms 52036 KB Output is correct
39 Correct 175 ms 51848 KB Output is correct
40 Correct 104 ms 50116 KB Output is correct
41 Correct 101 ms 49992 KB Output is correct
42 Correct 87 ms 49572 KB Output is correct
43 Correct 88 ms 49484 KB Output is correct
44 Correct 103 ms 50104 KB Output is correct
45 Correct 103 ms 50076 KB Output is correct
46 Correct 89 ms 49676 KB Output is correct
47 Correct 89 ms 49716 KB Output is correct
48 Execution timed out 2586 ms 96152 KB Time limit exceeded
49 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 47308 KB Output is correct
2 Correct 30 ms 47220 KB Output is correct
3 Correct 30 ms 47196 KB Output is correct
4 Correct 28 ms 47224 KB Output is correct
5 Correct 30 ms 47248 KB Output is correct
6 Correct 29 ms 47308 KB Output is correct
7 Correct 30 ms 47240 KB Output is correct
8 Correct 30 ms 47180 KB Output is correct
9 Correct 29 ms 47280 KB Output is correct
10 Correct 30 ms 47312 KB Output is correct
11 Correct 29 ms 47292 KB Output is correct
12 Correct 29 ms 47308 KB Output is correct
13 Correct 29 ms 47308 KB Output is correct
14 Correct 30 ms 47308 KB Output is correct
15 Correct 29 ms 47236 KB Output is correct
16 Correct 30 ms 47304 KB Output is correct
17 Correct 29 ms 47308 KB Output is correct
18 Correct 29 ms 47308 KB Output is correct
19 Correct 29 ms 47180 KB Output is correct
20 Correct 30 ms 47300 KB Output is correct
21 Correct 29 ms 47300 KB Output is correct
22 Correct 30 ms 47280 KB Output is correct
23 Correct 33 ms 47172 KB Output is correct
24 Correct 36 ms 47292 KB Output is correct
25 Correct 30 ms 47172 KB Output is correct
26 Correct 29 ms 47228 KB Output is correct
27 Correct 39 ms 47844 KB Output is correct
28 Correct 38 ms 47832 KB Output is correct
29 Correct 40 ms 47808 KB Output is correct
30 Correct 39 ms 47856 KB Output is correct
31 Correct 42 ms 47952 KB Output is correct
32 Correct 38 ms 47780 KB Output is correct
33 Correct 41 ms 47820 KB Output is correct
34 Correct 39 ms 47808 KB Output is correct
35 Correct 177 ms 51932 KB Output is correct
36 Correct 175 ms 52040 KB Output is correct
37 Correct 168 ms 51884 KB Output is correct
38 Correct 179 ms 52036 KB Output is correct
39 Correct 175 ms 51848 KB Output is correct
40 Correct 104 ms 50116 KB Output is correct
41 Correct 101 ms 49992 KB Output is correct
42 Correct 87 ms 49572 KB Output is correct
43 Correct 88 ms 49484 KB Output is correct
44 Correct 103 ms 50104 KB Output is correct
45 Correct 103 ms 50076 KB Output is correct
46 Correct 89 ms 49676 KB Output is correct
47 Correct 89 ms 49716 KB Output is correct
48 Execution timed out 2586 ms 96152 KB Time limit exceeded
49 Halted 0 ms 0 KB -