Submission #849310

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
849310	2023-09-14T12:35:40 Z	42kangaroo	Rope (JOI17_rope)	C++17	100 / 100	1990 ms	256872 KB

rope

//
// Created by 42kangaroo on 11/09/2023.
//
#include "bits/stdc++.h"

using namespace std;

signed main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	int n, c; cin >> n >> c;
	vector<int> colorNum(c);
	// count number of each color, and adjacent pairs of odd/even
	// put these pairs into a vec<vec<int>>
	vector<map<int,int>> adjO(c);
	vector<map<int,int>> adjE(c);
	int last = -1;
	for (int i = 0; i < n; ++i) {
		int a; cin >> a;
		--a;
		colorNum[a]++;
		if (last != -1 && last != a) {
			if (i%2) {adjO[last][a]++; adjO[a][last]++;}
			else {adjE[last][a]++; adjE[a][last]++;}
		}
		last = a;
	}
	// and sort it afterwards by num
	vector<int> o(c);
	std::iota(o.begin(), o.end(),0);
	std::sort(o.begin(), o.end(), [&](int l, int r){return colorNum[l] > colorNum[r];});
	// take max of both(odd/even) for each
	vector<map<int,int>> mins(c);
	for (int i = 0; i < c; ++i) {
		for (auto [k, v]: adjE[i]) {
			if (adjO[i].find(k) != adjO[i].end()) {
				mins[i][k] = min(adjO[i][k], adjE[i][k]);
			}
		}
	}
	// go down with a pointer in the sorted list and check those with connection the max without
	for (int i = 0; i < c; ++i) {
		int mi = n - colorNum[i];
		int j = 0;
		if (j < c && o[j] == i) j++;
		for (; j < c && mins[i].find(o[j]) != mins[i].end(); ++j) {
			mi = min(n - colorNum[i] - colorNum[o[j]] + mins[i][o[j]], mi);
			if (j < c - 1 && o[j + 1] == i) ++j;
		}
		if (j < c) {
			mi = min(n - colorNum[i] - colorNum[o[j]], mi);
		}
		cout << mi<< "\n";
	}
}

Subtask #1
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	500 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	0 ms	460 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct

Subtask #2
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	500 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	0 ms	460 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	7 ms	604 KB	Output is correct
28	Correct	5 ms	600 KB	Output is correct
29	Correct	7 ms	604 KB	Output is correct
30	Correct	6 ms	600 KB	Output is correct
31	Correct	7 ms	924 KB	Output is correct
32	Correct	5 ms	604 KB	Output is correct
33	Correct	6 ms	604 KB	Output is correct
34	Correct	6 ms	604 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	500 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	0 ms	460 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	7 ms	604 KB	Output is correct
28	Correct	5 ms	600 KB	Output is correct
29	Correct	7 ms	604 KB	Output is correct
30	Correct	6 ms	600 KB	Output is correct
31	Correct	7 ms	924 KB	Output is correct
32	Correct	5 ms	604 KB	Output is correct
33	Correct	6 ms	604 KB	Output is correct
34	Correct	6 ms	604 KB	Output is correct
35	Correct	59 ms	9816 KB	Output is correct
36	Correct	55 ms	9836 KB	Output is correct
37	Correct	72 ms	10068 KB	Output is correct
38	Correct	58 ms	9808 KB	Output is correct
39	Correct	55 ms	9720 KB	Output is correct
40	Correct	29 ms	5604 KB	Output is correct
41	Correct	28 ms	5724 KB	Output is correct
42	Correct	24 ms	4852 KB	Output is correct
43	Correct	25 ms	4792 KB	Output is correct
44	Correct	28 ms	5724 KB	Output is correct
45	Correct	28 ms	5716 KB	Output is correct
46	Correct	25 ms	4948 KB	Output is correct
47	Correct	25 ms	4948 KB	Output is correct

Subtask #4
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	500 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	0 ms	460 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	7 ms	604 KB	Output is correct
28	Correct	5 ms	600 KB	Output is correct
29	Correct	7 ms	604 KB	Output is correct
30	Correct	6 ms	600 KB	Output is correct
31	Correct	7 ms	924 KB	Output is correct
32	Correct	5 ms	604 KB	Output is correct
33	Correct	6 ms	604 KB	Output is correct
34	Correct	6 ms	604 KB	Output is correct
35	Correct	59 ms	9816 KB	Output is correct
36	Correct	55 ms	9836 KB	Output is correct
37	Correct	72 ms	10068 KB	Output is correct
38	Correct	58 ms	9808 KB	Output is correct
39	Correct	55 ms	9720 KB	Output is correct
40	Correct	29 ms	5604 KB	Output is correct
41	Correct	28 ms	5724 KB	Output is correct
42	Correct	24 ms	4852 KB	Output is correct
43	Correct	25 ms	4792 KB	Output is correct
44	Correct	28 ms	5724 KB	Output is correct
45	Correct	28 ms	5716 KB	Output is correct
46	Correct	25 ms	4948 KB	Output is correct
47	Correct	25 ms	4948 KB	Output is correct
48	Correct	1839 ms	99008 KB	Output is correct
49	Correct	1955 ms	98844 KB	Output is correct
50	Correct	1853 ms	98996 KB	Output is correct
51	Correct	1990 ms	93984 KB	Output is correct
52	Correct	1701 ms	82376 KB	Output is correct
53	Correct	671 ms	61400 KB	Output is correct
54	Correct	428 ms	50152 KB	Output is correct
55	Correct	424 ms	49232 KB	Output is correct
56	Correct	383 ms	44696 KB	Output is correct

Subtask #5
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	500 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	0 ms	344 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	0 ms	460 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	7 ms	604 KB	Output is correct
28	Correct	5 ms	600 KB	Output is correct
29	Correct	7 ms	604 KB	Output is correct
30	Correct	6 ms	600 KB	Output is correct
31	Correct	7 ms	924 KB	Output is correct
32	Correct	5 ms	604 KB	Output is correct
33	Correct	6 ms	604 KB	Output is correct
34	Correct	6 ms	604 KB	Output is correct
35	Correct	59 ms	9816 KB	Output is correct
36	Correct	55 ms	9836 KB	Output is correct
37	Correct	72 ms	10068 KB	Output is correct
38	Correct	58 ms	9808 KB	Output is correct
39	Correct	55 ms	9720 KB	Output is correct
40	Correct	29 ms	5604 KB	Output is correct
41	Correct	28 ms	5724 KB	Output is correct
42	Correct	24 ms	4852 KB	Output is correct
43	Correct	25 ms	4792 KB	Output is correct
44	Correct	28 ms	5724 KB	Output is correct
45	Correct	28 ms	5716 KB	Output is correct
46	Correct	25 ms	4948 KB	Output is correct
47	Correct	25 ms	4948 KB	Output is correct
48	Correct	1839 ms	99008 KB	Output is correct
49	Correct	1955 ms	98844 KB	Output is correct
50	Correct	1853 ms	98996 KB	Output is correct
51	Correct	1990 ms	93984 KB	Output is correct
52	Correct	1701 ms	82376 KB	Output is correct
53	Correct	671 ms	61400 KB	Output is correct
54	Correct	428 ms	50152 KB	Output is correct
55	Correct	424 ms	49232 KB	Output is correct
56	Correct	383 ms	44696 KB	Output is correct
57	Correct	732 ms	256872 KB	Output is correct
58	Correct	807 ms	194388 KB	Output is correct
59	Correct	840 ms	193988 KB	Output is correct
60	Correct	790 ms	209964 KB	Output is correct
61	Correct	784 ms	210096 KB	Output is correct
62	Correct	487 ms	108884 KB	Output is correct
63	Correct	568 ms	142776 KB	Output is correct
64	Correct	540 ms	124004 KB	Output is correct
65	Correct	421 ms	76632 KB	Output is correct

Submission #849310

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