답안 #686686

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
686686	2023-01-25T18:42:42 Z	JooDdae	Rope (JOI17_rope)	C++17	100 / 100	2106 ms	85012 KB

rope

#include <bits/stdc++.h>
using namespace std;
using ll = long long;

#define mid ((l+r) >> 1)

const int INF = 1e9;

int n, m, a[1001001], c[1001001];
vector<array<int, 2>> v[1001001];

int t[4004004];

void update(int id, int x, int node = 1, int l = 1, int r = n) {
    if(id < l || r < id) return;
    if(l == r) {
        t[node] += x;
        return;
    }
    update(id, x, node*2, l, mid), update(id, x, node*2+1, mid+1, r);
    t[node] = max(t[node*2], t[node*2+1]);
}

int main(){
    cin.tie(0)->sync_with_stdio(0);
    cin >> n >> m;
    for(int i=1;i<=n;i++) cin >> a[i];
    for(int i=1;i<=n;i++) c[a[i]]++;
    for(int i=1;i<=m;i++) update(i, c[i]);

    for(int i=1;i<=n;i++) {
        int j = i;
        while(j < n && a[j+1] == a[j]) j++;
        v[a[i]].push_back({i, j}), i = j;
    }

    for(int i=1;i<=m;i++) {
        int ans = n-c[i];

        update(i, -INF);
        {
            int p = 0, p2 = 0;
            for(auto [L, R] : v[i]) { // [0, 1]
                if(L != 1 && L%2 != 0) L--, p++, update(a[L], -1);
                if(R != n && R%2 != 1) R++, p++, update(a[R], -1);
                p2 += R-L+1;
            }
            ans = min(ans, p+n-p2-t[1]);
            for(auto [L, R] : v[i]) { // [0, 1]
                if(L != 1 && L%2 != 0) L--, update(a[L], 1);
                if(R != n && R%2 != 1) R++, update(a[R], 1);
            }
        }
        {
            int p = 0, p2 = 0;
            for(auto [L, R] : v[i]) { // [1, 0]
                if(L != 1 && L%2 != 1) L--, p++, update(a[L], -1);
                if(R != n && R%2 != 0) R++, p++, update(a[R], -1);
                p2 += R-L+1;
            }
            ans = min(ans, p+n-p2-t[1]);
            for(auto [L, R] : v[i]) { // [0, 1]
                if(L != 1 && L%2 != 1) L--, update(a[L], 1);
                if(R != n && R%2 != 0) R++, update(a[R], 1);
            }
        }

        update(i, INF);

        cout << ans << "\n";
    }
}

Subtask #1
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	23764 KB	Output is correct
2	Correct	11 ms	23764 KB	Output is correct
3	Correct	12 ms	23764 KB	Output is correct
4	Correct	11 ms	23764 KB	Output is correct
5	Correct	12 ms	23764 KB	Output is correct
6	Correct	12 ms	23764 KB	Output is correct
7	Correct	12 ms	23852 KB	Output is correct
8	Correct	12 ms	23780 KB	Output is correct
9	Correct	11 ms	23764 KB	Output is correct
10	Correct	12 ms	23800 KB	Output is correct
11	Correct	12 ms	23764 KB	Output is correct
12	Correct	12 ms	23840 KB	Output is correct
13	Correct	12 ms	23756 KB	Output is correct
14	Correct	12 ms	23808 KB	Output is correct
15	Correct	11 ms	23848 KB	Output is correct
16	Correct	13 ms	23840 KB	Output is correct
17	Correct	13 ms	23764 KB	Output is correct
18	Correct	13 ms	23852 KB	Output is correct
19	Correct	12 ms	23784 KB	Output is correct
20	Correct	12 ms	23780 KB	Output is correct
21	Correct	12 ms	23848 KB	Output is correct
22	Correct	15 ms	23852 KB	Output is correct
23	Correct	14 ms	23804 KB	Output is correct
24	Correct	13 ms	23788 KB	Output is correct
25	Correct	11 ms	23764 KB	Output is correct
26	Correct	12 ms	23764 KB	Output is correct

Subtask #2
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	23764 KB	Output is correct
2	Correct	11 ms	23764 KB	Output is correct
3	Correct	12 ms	23764 KB	Output is correct
4	Correct	11 ms	23764 KB	Output is correct
5	Correct	12 ms	23764 KB	Output is correct
6	Correct	12 ms	23764 KB	Output is correct
7	Correct	12 ms	23852 KB	Output is correct
8	Correct	12 ms	23780 KB	Output is correct
9	Correct	11 ms	23764 KB	Output is correct
10	Correct	12 ms	23800 KB	Output is correct
11	Correct	12 ms	23764 KB	Output is correct
12	Correct	12 ms	23840 KB	Output is correct
13	Correct	12 ms	23756 KB	Output is correct
14	Correct	12 ms	23808 KB	Output is correct
15	Correct	11 ms	23848 KB	Output is correct
16	Correct	13 ms	23840 KB	Output is correct
17	Correct	13 ms	23764 KB	Output is correct
18	Correct	13 ms	23852 KB	Output is correct
19	Correct	12 ms	23784 KB	Output is correct
20	Correct	12 ms	23780 KB	Output is correct
21	Correct	12 ms	23848 KB	Output is correct
22	Correct	15 ms	23852 KB	Output is correct
23	Correct	14 ms	23804 KB	Output is correct
24	Correct	13 ms	23788 KB	Output is correct
25	Correct	11 ms	23764 KB	Output is correct
26	Correct	12 ms	23764 KB	Output is correct
27	Correct	67 ms	25672 KB	Output is correct
28	Correct	55 ms	25240 KB	Output is correct
29	Correct	69 ms	25596 KB	Output is correct
30	Correct	71 ms	25260 KB	Output is correct
31	Correct	61 ms	25776 KB	Output is correct
32	Correct	53 ms	25408 KB	Output is correct
33	Correct	60 ms	25696 KB	Output is correct
34	Correct	55 ms	25172 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	23764 KB	Output is correct
2	Correct	11 ms	23764 KB	Output is correct
3	Correct	12 ms	23764 KB	Output is correct
4	Correct	11 ms	23764 KB	Output is correct
5	Correct	12 ms	23764 KB	Output is correct
6	Correct	12 ms	23764 KB	Output is correct
7	Correct	12 ms	23852 KB	Output is correct
8	Correct	12 ms	23780 KB	Output is correct
9	Correct	11 ms	23764 KB	Output is correct
10	Correct	12 ms	23800 KB	Output is correct
11	Correct	12 ms	23764 KB	Output is correct
12	Correct	12 ms	23840 KB	Output is correct
13	Correct	12 ms	23756 KB	Output is correct
14	Correct	12 ms	23808 KB	Output is correct
15	Correct	11 ms	23848 KB	Output is correct
16	Correct	13 ms	23840 KB	Output is correct
17	Correct	13 ms	23764 KB	Output is correct
18	Correct	13 ms	23852 KB	Output is correct
19	Correct	12 ms	23784 KB	Output is correct
20	Correct	12 ms	23780 KB	Output is correct
21	Correct	12 ms	23848 KB	Output is correct
22	Correct	15 ms	23852 KB	Output is correct
23	Correct	14 ms	23804 KB	Output is correct
24	Correct	13 ms	23788 KB	Output is correct
25	Correct	11 ms	23764 KB	Output is correct
26	Correct	12 ms	23764 KB	Output is correct
27	Correct	67 ms	25672 KB	Output is correct
28	Correct	55 ms	25240 KB	Output is correct
29	Correct	69 ms	25596 KB	Output is correct
30	Correct	71 ms	25260 KB	Output is correct
31	Correct	61 ms	25776 KB	Output is correct
32	Correct	53 ms	25408 KB	Output is correct
33	Correct	60 ms	25696 KB	Output is correct
34	Correct	55 ms	25172 KB	Output is correct
35	Correct	79 ms	25808 KB	Output is correct
36	Correct	80 ms	25800 KB	Output is correct
37	Correct	80 ms	25684 KB	Output is correct
38	Correct	80 ms	25764 KB	Output is correct
39	Correct	78 ms	25788 KB	Output is correct
40	Correct	75 ms	25936 KB	Output is correct
41	Correct	73 ms	25952 KB	Output is correct
42	Correct	90 ms	25884 KB	Output is correct
43	Correct	75 ms	25940 KB	Output is correct
44	Correct	72 ms	25904 KB	Output is correct
45	Correct	72 ms	25936 KB	Output is correct
46	Correct	76 ms	25992 KB	Output is correct
47	Correct	78 ms	25956 KB	Output is correct

Subtask #4
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	23764 KB	Output is correct
2	Correct	11 ms	23764 KB	Output is correct
3	Correct	12 ms	23764 KB	Output is correct
4	Correct	11 ms	23764 KB	Output is correct
5	Correct	12 ms	23764 KB	Output is correct
6	Correct	12 ms	23764 KB	Output is correct
7	Correct	12 ms	23852 KB	Output is correct
8	Correct	12 ms	23780 KB	Output is correct
9	Correct	11 ms	23764 KB	Output is correct
10	Correct	12 ms	23800 KB	Output is correct
11	Correct	12 ms	23764 KB	Output is correct
12	Correct	12 ms	23840 KB	Output is correct
13	Correct	12 ms	23756 KB	Output is correct
14	Correct	12 ms	23808 KB	Output is correct
15	Correct	11 ms	23848 KB	Output is correct
16	Correct	13 ms	23840 KB	Output is correct
17	Correct	13 ms	23764 KB	Output is correct
18	Correct	13 ms	23852 KB	Output is correct
19	Correct	12 ms	23784 KB	Output is correct
20	Correct	12 ms	23780 KB	Output is correct
21	Correct	12 ms	23848 KB	Output is correct
22	Correct	15 ms	23852 KB	Output is correct
23	Correct	14 ms	23804 KB	Output is correct
24	Correct	13 ms	23788 KB	Output is correct
25	Correct	11 ms	23764 KB	Output is correct
26	Correct	12 ms	23764 KB	Output is correct
27	Correct	67 ms	25672 KB	Output is correct
28	Correct	55 ms	25240 KB	Output is correct
29	Correct	69 ms	25596 KB	Output is correct
30	Correct	71 ms	25260 KB	Output is correct
31	Correct	61 ms	25776 KB	Output is correct
32	Correct	53 ms	25408 KB	Output is correct
33	Correct	60 ms	25696 KB	Output is correct
34	Correct	55 ms	25172 KB	Output is correct
35	Correct	79 ms	25808 KB	Output is correct
36	Correct	80 ms	25800 KB	Output is correct
37	Correct	80 ms	25684 KB	Output is correct
38	Correct	80 ms	25764 KB	Output is correct
39	Correct	78 ms	25788 KB	Output is correct
40	Correct	75 ms	25936 KB	Output is correct
41	Correct	73 ms	25952 KB	Output is correct
42	Correct	90 ms	25884 KB	Output is correct
43	Correct	75 ms	25940 KB	Output is correct
44	Correct	72 ms	25904 KB	Output is correct
45	Correct	72 ms	25936 KB	Output is correct
46	Correct	76 ms	25992 KB	Output is correct
47	Correct	78 ms	25956 KB	Output is correct
48	Correct	835 ms	45628 KB	Output is correct
49	Correct	787 ms	45556 KB	Output is correct
50	Correct	834 ms	45612 KB	Output is correct
51	Correct	799 ms	45336 KB	Output is correct
52	Correct	751 ms	42312 KB	Output is correct
53	Correct	780 ms	43852 KB	Output is correct
54	Correct	759 ms	42048 KB	Output is correct
55	Correct	774 ms	41736 KB	Output is correct
56	Correct	807 ms	41136 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	23764 KB	Output is correct
2	Correct	11 ms	23764 KB	Output is correct
3	Correct	12 ms	23764 KB	Output is correct
4	Correct	11 ms	23764 KB	Output is correct
5	Correct	12 ms	23764 KB	Output is correct
6	Correct	12 ms	23764 KB	Output is correct
7	Correct	12 ms	23852 KB	Output is correct
8	Correct	12 ms	23780 KB	Output is correct
9	Correct	11 ms	23764 KB	Output is correct
10	Correct	12 ms	23800 KB	Output is correct
11	Correct	12 ms	23764 KB	Output is correct
12	Correct	12 ms	23840 KB	Output is correct
13	Correct	12 ms	23756 KB	Output is correct
14	Correct	12 ms	23808 KB	Output is correct
15	Correct	11 ms	23848 KB	Output is correct
16	Correct	13 ms	23840 KB	Output is correct
17	Correct	13 ms	23764 KB	Output is correct
18	Correct	13 ms	23852 KB	Output is correct
19	Correct	12 ms	23784 KB	Output is correct
20	Correct	12 ms	23780 KB	Output is correct
21	Correct	12 ms	23848 KB	Output is correct
22	Correct	15 ms	23852 KB	Output is correct
23	Correct	14 ms	23804 KB	Output is correct
24	Correct	13 ms	23788 KB	Output is correct
25	Correct	11 ms	23764 KB	Output is correct
26	Correct	12 ms	23764 KB	Output is correct
27	Correct	67 ms	25672 KB	Output is correct
28	Correct	55 ms	25240 KB	Output is correct
29	Correct	69 ms	25596 KB	Output is correct
30	Correct	71 ms	25260 KB	Output is correct
31	Correct	61 ms	25776 KB	Output is correct
32	Correct	53 ms	25408 KB	Output is correct
33	Correct	60 ms	25696 KB	Output is correct
34	Correct	55 ms	25172 KB	Output is correct
35	Correct	79 ms	25808 KB	Output is correct
36	Correct	80 ms	25800 KB	Output is correct
37	Correct	80 ms	25684 KB	Output is correct
38	Correct	80 ms	25764 KB	Output is correct
39	Correct	78 ms	25788 KB	Output is correct
40	Correct	75 ms	25936 KB	Output is correct
41	Correct	73 ms	25952 KB	Output is correct
42	Correct	90 ms	25884 KB	Output is correct
43	Correct	75 ms	25940 KB	Output is correct
44	Correct	72 ms	25904 KB	Output is correct
45	Correct	72 ms	25936 KB	Output is correct
46	Correct	76 ms	25992 KB	Output is correct
47	Correct	78 ms	25956 KB	Output is correct
48	Correct	835 ms	45628 KB	Output is correct
49	Correct	787 ms	45556 KB	Output is correct
50	Correct	834 ms	45612 KB	Output is correct
51	Correct	799 ms	45336 KB	Output is correct
52	Correct	751 ms	42312 KB	Output is correct
53	Correct	780 ms	43852 KB	Output is correct
54	Correct	759 ms	42048 KB	Output is correct
55	Correct	774 ms	41736 KB	Output is correct
56	Correct	807 ms	41136 KB	Output is correct
57	Correct	2106 ms	85012 KB	Output is correct
58	Correct	1777 ms	66280 KB	Output is correct
59	Correct	1740 ms	66140 KB	Output is correct
60	Correct	1876 ms	70564 KB	Output is correct
61	Correct	1860 ms	70584 KB	Output is correct
62	Correct	1172 ms	55796 KB	Output is correct
63	Correct	1440 ms	60756 KB	Output is correct
64	Correct	1274 ms	57728 KB	Output is correct
65	Correct	972 ms	49180 KB	Output is correct

답안 #686686

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 20.0 / 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
20.0 / 20.0