답안 #489299

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
489299	2021-11-22T07:25:21 Z	cheissmart	Rope (JOI17_rope)	C++14	100 / 100	1460 ms	96268 KB

rope

#include <bits/stdc++.h>
#define IO_OP ios::sync_with_stdio(0), cin.tie(0)
#define F first
#define S second
#define V vector
#define PB push_back
#define EB emaplce_back
#define MP make_pair
#define ALL(v) (v).begin(), (v).end()

using namespace std;

typedef long long ll;
typedef pair<int, int> pi;
typedef vector<int> vi;

const int INF = 1e9 + 7, N = 1e6 + 7;

void cmin(int& a, int b) {
	a = min(a, b);
}

signed main()
{
	IO_OP;

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

	vi a(n), ans(m, INF);
	for(int i = 0; i < n; i++) {
		cin >> a[i];
		a[i]--;
	}

	auto go = [&] (V<array<int, 2>> x) {

		vi cnt(m), cnt2(n + 1);
		cnt2[0] = m;
		int cur_sum = 0, cur_mx = 0;
		auto add = [&] (int e) {
			cur_sum++;
			cnt2[cnt[e]]--;
			cnt[e]++;
			cnt2[cnt[e]]++;
			cur_mx = max(cur_mx, cnt[e]);
		};

		auto del = [&] (int e) {
			cur_sum--;
			cnt2[cnt[e]]--;
			cnt[e]--;
			cnt2[cnt[e]]++;
			if(cnt2[cur_mx] == 0)
				cur_mx--;
		};

		V<V<array<int, 2>>> pos(m);
		for(auto e:x) {
			pos[e[0]].PB(e), add(e[0]);
			if(e[0] == e[1]) add(e[1]);
			else if(e[1] != -1) pos[e[1]].PB(e), add(e[1]);
		}
		for(int i = 0; i < m; i++) {
			int cost = 0;
			for(auto e:pos[i]) {
				del(e[0]), cost += e[0] != i;
				if(e[1] != -1) del(e[1]), cost += e[1] != i;
			}
			cost += cur_sum - cur_mx;
			ans[i] = min(ans[i], cost);
			for(auto e:pos[i]) {
				add(e[0]);
				if(e[1] != -1) add(e[1]);
			}
		}
	};

	V<array<int, 2>> x, y;
	for(int i = 0; i < n; i += 2) {
		array<int, 2> tt;
		tt[0] = a[i], tt[1] = -1;
		if(i + 1 < n) tt[1] = a[i + 1];
		x.PB(tt);
	}
	y.PB({a[0], -1});
	for(int i = 1; i < n; i += 2) {
		array<int, 2> tt;
		tt[0] = a[i], tt[1] = -1;
		if(i + 1 < n) tt[1] = a[i + 1];
		y.PB(tt);
	}

	go(x), go(y);

	for(int i = 0; i < m; i++)
		cout << ans[i] << '\n';

}

Subtask #1
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	312 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	0 ms	308 KB	Output is correct

Subtask #2
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	312 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	0 ms	308 KB	Output is correct
27	Correct	16 ms	4104 KB	Output is correct
28	Correct	16 ms	4032 KB	Output is correct
29	Correct	16 ms	3900 KB	Output is correct
30	Correct	16 ms	4172 KB	Output is correct
31	Correct	18 ms	4052 KB	Output is correct
32	Correct	20 ms	4160 KB	Output is correct
33	Correct	17 ms	3980 KB	Output is correct
34	Correct	18 ms	4220 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	312 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	0 ms	308 KB	Output is correct
27	Correct	16 ms	4104 KB	Output is correct
28	Correct	16 ms	4032 KB	Output is correct
29	Correct	16 ms	3900 KB	Output is correct
30	Correct	16 ms	4172 KB	Output is correct
31	Correct	18 ms	4052 KB	Output is correct
32	Correct	20 ms	4160 KB	Output is correct
33	Correct	17 ms	3980 KB	Output is correct
34	Correct	18 ms	4220 KB	Output is correct
35	Correct	18 ms	4180 KB	Output is correct
36	Correct	18 ms	4240 KB	Output is correct
37	Correct	18 ms	4092 KB	Output is correct
38	Correct	19 ms	4108 KB	Output is correct
39	Correct	18 ms	4188 KB	Output is correct
40	Correct	17 ms	4348 KB	Output is correct
41	Correct	19 ms	4292 KB	Output is correct
42	Correct	19 ms	4300 KB	Output is correct
43	Correct	19 ms	4300 KB	Output is correct
44	Correct	19 ms	4324 KB	Output is correct
45	Correct	19 ms	4292 KB	Output is correct
46	Correct	19 ms	4188 KB	Output is correct
47	Correct	18 ms	4296 KB	Output is correct

Subtask #4
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	312 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	0 ms	308 KB	Output is correct
27	Correct	16 ms	4104 KB	Output is correct
28	Correct	16 ms	4032 KB	Output is correct
29	Correct	16 ms	3900 KB	Output is correct
30	Correct	16 ms	4172 KB	Output is correct
31	Correct	18 ms	4052 KB	Output is correct
32	Correct	20 ms	4160 KB	Output is correct
33	Correct	17 ms	3980 KB	Output is correct
34	Correct	18 ms	4220 KB	Output is correct
35	Correct	18 ms	4180 KB	Output is correct
36	Correct	18 ms	4240 KB	Output is correct
37	Correct	18 ms	4092 KB	Output is correct
38	Correct	19 ms	4108 KB	Output is correct
39	Correct	18 ms	4188 KB	Output is correct
40	Correct	17 ms	4348 KB	Output is correct
41	Correct	19 ms	4292 KB	Output is correct
42	Correct	19 ms	4300 KB	Output is correct
43	Correct	19 ms	4300 KB	Output is correct
44	Correct	19 ms	4324 KB	Output is correct
45	Correct	19 ms	4292 KB	Output is correct
46	Correct	19 ms	4188 KB	Output is correct
47	Correct	18 ms	4296 KB	Output is correct
48	Correct	200 ms	41628 KB	Output is correct
49	Correct	210 ms	41564 KB	Output is correct
50	Correct	211 ms	41636 KB	Output is correct
51	Correct	216 ms	41188 KB	Output is correct
52	Correct	176 ms	38448 KB	Output is correct
53	Correct	189 ms	40080 KB	Output is correct
54	Correct	189 ms	37924 KB	Output is correct
55	Correct	180 ms	37548 KB	Output is correct
56	Correct	208 ms	37160 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	312 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	0 ms	308 KB	Output is correct
27	Correct	16 ms	4104 KB	Output is correct
28	Correct	16 ms	4032 KB	Output is correct
29	Correct	16 ms	3900 KB	Output is correct
30	Correct	16 ms	4172 KB	Output is correct
31	Correct	18 ms	4052 KB	Output is correct
32	Correct	20 ms	4160 KB	Output is correct
33	Correct	17 ms	3980 KB	Output is correct
34	Correct	18 ms	4220 KB	Output is correct
35	Correct	18 ms	4180 KB	Output is correct
36	Correct	18 ms	4240 KB	Output is correct
37	Correct	18 ms	4092 KB	Output is correct
38	Correct	19 ms	4108 KB	Output is correct
39	Correct	18 ms	4188 KB	Output is correct
40	Correct	17 ms	4348 KB	Output is correct
41	Correct	19 ms	4292 KB	Output is correct
42	Correct	19 ms	4300 KB	Output is correct
43	Correct	19 ms	4300 KB	Output is correct
44	Correct	19 ms	4324 KB	Output is correct
45	Correct	19 ms	4292 KB	Output is correct
46	Correct	19 ms	4188 KB	Output is correct
47	Correct	18 ms	4296 KB	Output is correct
48	Correct	200 ms	41628 KB	Output is correct
49	Correct	210 ms	41564 KB	Output is correct
50	Correct	211 ms	41636 KB	Output is correct
51	Correct	216 ms	41188 KB	Output is correct
52	Correct	176 ms	38448 KB	Output is correct
53	Correct	189 ms	40080 KB	Output is correct
54	Correct	189 ms	37924 KB	Output is correct
55	Correct	180 ms	37548 KB	Output is correct
56	Correct	208 ms	37160 KB	Output is correct
57	Correct	1460 ms	96268 KB	Output is correct
58	Correct	1084 ms	69812 KB	Output is correct
59	Correct	1040 ms	69564 KB	Output is correct
60	Correct	1191 ms	76016 KB	Output is correct
61	Correct	1251 ms	76140 KB	Output is correct
62	Correct	495 ms	55444 KB	Output is correct
63	Correct	651 ms	62392 KB	Output is correct
64	Correct	549 ms	58148 KB	Output is correct
65	Correct	286 ms	47116 KB	Output is correct

답안 #489299

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