Submission #837732

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
837732	2023-08-25T14:55:30 Z	Liudas	Rope (JOI17_rope)	C++17	100 / 100	1841 ms	172232 KB

rope

#include <bits/stdc++.h>
using namespace std;
class segment_tree{
public:
int tree[1048576 * 2] = {0};
int N = 1048576;
void update(int head, int l, int r, int pos, int val){
	if(r - l == 1){
		tree[head] += val;
		return;
	}
	int mid = (l + r) / 2;
	if(pos < mid){
		update(head * 2 + 1, l, mid, pos, val);
	}
	else{
		update(head *2 + 2, mid, r, pos, val);
	}
	tree[head] = max(tree[head * 2 + 2], tree[head * 2 + 1]); 
}
void update(int pos, int val){
	update(0, 0, N, pos, val);
}
};
int arr[1000050];
int main(){
  	ios_base::sync_with_stdio(0);
  	cin.tie(0);
	int N, M;
	cin >> N >> M;
	for(int i = 0; i < N; i ++){
		cin >> arr[i];
		arr[i]--;
	}
	segment_tree tree;
	vector<vector<vector<int>>> brr(M + 5, vector<vector<int>>(2));
	vector<int> counts(M + 5);
	for(int i = 0; i < N; i ++){
		for(int j = 0; j < 2; j ++){
			int pi = i + 1 - (i + j) % 2 * 2;
			if(pi > -1 && pi < N && arr[pi] != arr[i]){
				brr[arr[i]][j].push_back(arr[pi]);
			}
		}
		counts[arr[i]] ++;
		tree.update(arr[i], 1);
	}
	for(int i = 0; i < M; i ++){
		tree.update(i, -counts[i]);
		int ans = N;
		for(int j = 0; j < 2; j ++){
			for(int &k : brr[i][j])tree.update(k, -1);
			ans = min(ans, N-tree.tree[0]-counts[i]);
			for(int &k : brr[i][j])tree.update(k, 1);
		}
		tree.update(i, counts[i]);
		cout << ans << '\n';
	}
}

Subtask #1
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	8404 KB	Output is correct
2	Correct	3 ms	8532 KB	Output is correct
3	Correct	3 ms	8532 KB	Output is correct
4	Correct	3 ms	8532 KB	Output is correct
5	Correct	3 ms	8532 KB	Output is correct
6	Correct	5 ms	8532 KB	Output is correct
7	Correct	4 ms	8532 KB	Output is correct
8	Correct	3 ms	8404 KB	Output is correct
9	Correct	3 ms	8404 KB	Output is correct
10	Correct	3 ms	8404 KB	Output is correct
11	Correct	4 ms	8532 KB	Output is correct
12	Correct	5 ms	8576 KB	Output is correct
13	Correct	3 ms	8532 KB	Output is correct
14	Correct	3 ms	8532 KB	Output is correct
15	Correct	3 ms	8532 KB	Output is correct
16	Correct	4 ms	8532 KB	Output is correct
17	Correct	4 ms	8532 KB	Output is correct
18	Correct	4 ms	8532 KB	Output is correct
19	Correct	3 ms	8532 KB	Output is correct
20	Correct	5 ms	8532 KB	Output is correct
21	Correct	3 ms	8532 KB	Output is correct
22	Correct	3 ms	8532 KB	Output is correct
23	Correct	3 ms	8532 KB	Output is correct
24	Correct	3 ms	8532 KB	Output is correct
25	Correct	3 ms	8404 KB	Output is correct
26	Correct	3 ms	8404 KB	Output is correct

Subtask #2
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	8404 KB	Output is correct
2	Correct	3 ms	8532 KB	Output is correct
3	Correct	3 ms	8532 KB	Output is correct
4	Correct	3 ms	8532 KB	Output is correct
5	Correct	3 ms	8532 KB	Output is correct
6	Correct	5 ms	8532 KB	Output is correct
7	Correct	4 ms	8532 KB	Output is correct
8	Correct	3 ms	8404 KB	Output is correct
9	Correct	3 ms	8404 KB	Output is correct
10	Correct	3 ms	8404 KB	Output is correct
11	Correct	4 ms	8532 KB	Output is correct
12	Correct	5 ms	8576 KB	Output is correct
13	Correct	3 ms	8532 KB	Output is correct
14	Correct	3 ms	8532 KB	Output is correct
15	Correct	3 ms	8532 KB	Output is correct
16	Correct	4 ms	8532 KB	Output is correct
17	Correct	4 ms	8532 KB	Output is correct
18	Correct	4 ms	8532 KB	Output is correct
19	Correct	3 ms	8532 KB	Output is correct
20	Correct	5 ms	8532 KB	Output is correct
21	Correct	3 ms	8532 KB	Output is correct
22	Correct	3 ms	8532 KB	Output is correct
23	Correct	3 ms	8532 KB	Output is correct
24	Correct	3 ms	8532 KB	Output is correct
25	Correct	3 ms	8404 KB	Output is correct
26	Correct	3 ms	8404 KB	Output is correct
27	Correct	41 ms	10068 KB	Output is correct
28	Correct	35 ms	9812 KB	Output is correct
29	Correct	43 ms	10068 KB	Output is correct
30	Correct	37 ms	9684 KB	Output is correct
31	Correct	42 ms	10132 KB	Output is correct
32	Correct	36 ms	9812 KB	Output is correct
33	Correct	42 ms	9940 KB	Output is correct
34	Correct	36 ms	9556 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	8404 KB	Output is correct
2	Correct	3 ms	8532 KB	Output is correct
3	Correct	3 ms	8532 KB	Output is correct
4	Correct	3 ms	8532 KB	Output is correct
5	Correct	3 ms	8532 KB	Output is correct
6	Correct	5 ms	8532 KB	Output is correct
7	Correct	4 ms	8532 KB	Output is correct
8	Correct	3 ms	8404 KB	Output is correct
9	Correct	3 ms	8404 KB	Output is correct
10	Correct	3 ms	8404 KB	Output is correct
11	Correct	4 ms	8532 KB	Output is correct
12	Correct	5 ms	8576 KB	Output is correct
13	Correct	3 ms	8532 KB	Output is correct
14	Correct	3 ms	8532 KB	Output is correct
15	Correct	3 ms	8532 KB	Output is correct
16	Correct	4 ms	8532 KB	Output is correct
17	Correct	4 ms	8532 KB	Output is correct
18	Correct	4 ms	8532 KB	Output is correct
19	Correct	3 ms	8532 KB	Output is correct
20	Correct	5 ms	8532 KB	Output is correct
21	Correct	3 ms	8532 KB	Output is correct
22	Correct	3 ms	8532 KB	Output is correct
23	Correct	3 ms	8532 KB	Output is correct
24	Correct	3 ms	8532 KB	Output is correct
25	Correct	3 ms	8404 KB	Output is correct
26	Correct	3 ms	8404 KB	Output is correct
27	Correct	41 ms	10068 KB	Output is correct
28	Correct	35 ms	9812 KB	Output is correct
29	Correct	43 ms	10068 KB	Output is correct
30	Correct	37 ms	9684 KB	Output is correct
31	Correct	42 ms	10132 KB	Output is correct
32	Correct	36 ms	9812 KB	Output is correct
33	Correct	42 ms	9940 KB	Output is correct
34	Correct	36 ms	9556 KB	Output is correct
35	Correct	54 ms	10092 KB	Output is correct
36	Correct	51 ms	10216 KB	Output is correct
37	Correct	54 ms	10068 KB	Output is correct
38	Correct	52 ms	10068 KB	Output is correct
39	Correct	52 ms	10068 KB	Output is correct
40	Correct	43 ms	10264 KB	Output is correct
41	Correct	46 ms	10324 KB	Output is correct
42	Correct	44 ms	10204 KB	Output is correct
43	Correct	43 ms	10196 KB	Output is correct
44	Correct	43 ms	10196 KB	Output is correct
45	Correct	46 ms	10196 KB	Output is correct
46	Correct	42 ms	10196 KB	Output is correct
47	Correct	42 ms	10196 KB	Output is correct

Subtask #4
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	8404 KB	Output is correct
2	Correct	3 ms	8532 KB	Output is correct
3	Correct	3 ms	8532 KB	Output is correct
4	Correct	3 ms	8532 KB	Output is correct
5	Correct	3 ms	8532 KB	Output is correct
6	Correct	5 ms	8532 KB	Output is correct
7	Correct	4 ms	8532 KB	Output is correct
8	Correct	3 ms	8404 KB	Output is correct
9	Correct	3 ms	8404 KB	Output is correct
10	Correct	3 ms	8404 KB	Output is correct
11	Correct	4 ms	8532 KB	Output is correct
12	Correct	5 ms	8576 KB	Output is correct
13	Correct	3 ms	8532 KB	Output is correct
14	Correct	3 ms	8532 KB	Output is correct
15	Correct	3 ms	8532 KB	Output is correct
16	Correct	4 ms	8532 KB	Output is correct
17	Correct	4 ms	8532 KB	Output is correct
18	Correct	4 ms	8532 KB	Output is correct
19	Correct	3 ms	8532 KB	Output is correct
20	Correct	5 ms	8532 KB	Output is correct
21	Correct	3 ms	8532 KB	Output is correct
22	Correct	3 ms	8532 KB	Output is correct
23	Correct	3 ms	8532 KB	Output is correct
24	Correct	3 ms	8532 KB	Output is correct
25	Correct	3 ms	8404 KB	Output is correct
26	Correct	3 ms	8404 KB	Output is correct
27	Correct	41 ms	10068 KB	Output is correct
28	Correct	35 ms	9812 KB	Output is correct
29	Correct	43 ms	10068 KB	Output is correct
30	Correct	37 ms	9684 KB	Output is correct
31	Correct	42 ms	10132 KB	Output is correct
32	Correct	36 ms	9812 KB	Output is correct
33	Correct	42 ms	9940 KB	Output is correct
34	Correct	36 ms	9556 KB	Output is correct
35	Correct	54 ms	10092 KB	Output is correct
36	Correct	51 ms	10216 KB	Output is correct
37	Correct	54 ms	10068 KB	Output is correct
38	Correct	52 ms	10068 KB	Output is correct
39	Correct	52 ms	10068 KB	Output is correct
40	Correct	43 ms	10264 KB	Output is correct
41	Correct	46 ms	10324 KB	Output is correct
42	Correct	44 ms	10204 KB	Output is correct
43	Correct	43 ms	10196 KB	Output is correct
44	Correct	43 ms	10196 KB	Output is correct
45	Correct	46 ms	10196 KB	Output is correct
46	Correct	42 ms	10196 KB	Output is correct
47	Correct	42 ms	10196 KB	Output is correct
48	Correct	541 ms	25952 KB	Output is correct
49	Correct	560 ms	25892 KB	Output is correct
50	Correct	542 ms	25928 KB	Output is correct
51	Correct	530 ms	25756 KB	Output is correct
52	Correct	525 ms	23604 KB	Output is correct
53	Correct	435 ms	24316 KB	Output is correct
54	Correct	403 ms	22316 KB	Output is correct
55	Correct	390 ms	22016 KB	Output is correct
56	Correct	357 ms	21356 KB	Output is correct

Subtask #5
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	8404 KB	Output is correct
2	Correct	3 ms	8532 KB	Output is correct
3	Correct	3 ms	8532 KB	Output is correct
4	Correct	3 ms	8532 KB	Output is correct
5	Correct	3 ms	8532 KB	Output is correct
6	Correct	5 ms	8532 KB	Output is correct
7	Correct	4 ms	8532 KB	Output is correct
8	Correct	3 ms	8404 KB	Output is correct
9	Correct	3 ms	8404 KB	Output is correct
10	Correct	3 ms	8404 KB	Output is correct
11	Correct	4 ms	8532 KB	Output is correct
12	Correct	5 ms	8576 KB	Output is correct
13	Correct	3 ms	8532 KB	Output is correct
14	Correct	3 ms	8532 KB	Output is correct
15	Correct	3 ms	8532 KB	Output is correct
16	Correct	4 ms	8532 KB	Output is correct
17	Correct	4 ms	8532 KB	Output is correct
18	Correct	4 ms	8532 KB	Output is correct
19	Correct	3 ms	8532 KB	Output is correct
20	Correct	5 ms	8532 KB	Output is correct
21	Correct	3 ms	8532 KB	Output is correct
22	Correct	3 ms	8532 KB	Output is correct
23	Correct	3 ms	8532 KB	Output is correct
24	Correct	3 ms	8532 KB	Output is correct
25	Correct	3 ms	8404 KB	Output is correct
26	Correct	3 ms	8404 KB	Output is correct
27	Correct	41 ms	10068 KB	Output is correct
28	Correct	35 ms	9812 KB	Output is correct
29	Correct	43 ms	10068 KB	Output is correct
30	Correct	37 ms	9684 KB	Output is correct
31	Correct	42 ms	10132 KB	Output is correct
32	Correct	36 ms	9812 KB	Output is correct
33	Correct	42 ms	9940 KB	Output is correct
34	Correct	36 ms	9556 KB	Output is correct
35	Correct	54 ms	10092 KB	Output is correct
36	Correct	51 ms	10216 KB	Output is correct
37	Correct	54 ms	10068 KB	Output is correct
38	Correct	52 ms	10068 KB	Output is correct
39	Correct	52 ms	10068 KB	Output is correct
40	Correct	43 ms	10264 KB	Output is correct
41	Correct	46 ms	10324 KB	Output is correct
42	Correct	44 ms	10204 KB	Output is correct
43	Correct	43 ms	10196 KB	Output is correct
44	Correct	43 ms	10196 KB	Output is correct
45	Correct	46 ms	10196 KB	Output is correct
46	Correct	42 ms	10196 KB	Output is correct
47	Correct	42 ms	10196 KB	Output is correct
48	Correct	541 ms	25952 KB	Output is correct
49	Correct	560 ms	25892 KB	Output is correct
50	Correct	542 ms	25928 KB	Output is correct
51	Correct	530 ms	25756 KB	Output is correct
52	Correct	525 ms	23604 KB	Output is correct
53	Correct	435 ms	24316 KB	Output is correct
54	Correct	403 ms	22316 KB	Output is correct
55	Correct	390 ms	22016 KB	Output is correct
56	Correct	357 ms	21356 KB	Output is correct
57	Correct	1841 ms	172232 KB	Output is correct
58	Correct	1649 ms	108480 KB	Output is correct
59	Correct	1636 ms	107896 KB	Output is correct
60	Correct	1737 ms	124020 KB	Output is correct
61	Correct	1751 ms	124324 KB	Output is correct
62	Correct	845 ms	66332 KB	Output is correct
63	Correct	1193 ms	84720 KB	Output is correct
64	Correct	994 ms	73612 KB	Output is correct
65	Correct	604 ms	44632 KB	Output is correct

Submission #837732

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