답안 #397578

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
397578	2021-05-02T12:28:02 Z	timmyfeng	Rope (JOI17_rope)	C++17	80 / 100	2500 ms	116708 KB

rope

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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	-

답안 #397578

Compilation message

Subtask #1 15.0 / 15.0

Subtask #2 30.0 / 30.0

Subtask #3 10.0 / 10.0

Subtask #4 25.0 / 25.0

Subtask #5 0 / 20.0

Subtask #1
15.0 / 15.0

Subtask #2
30.0 / 30.0

Subtask #3
10.0 / 10.0

Subtask #4
25.0 / 25.0

Subtask #5
0 / 20.0