Submission #987010

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
987010	2024-05-21T17:11:29 Z	pedroslrey	Fountain Parks (IOI21_parks)	C++17	15 / 100	366 ms	32776 KB

parks

#include <bits/stdc++.h>
#include "parks.h"

using namespace std;

int construct_roads(vector<int> xs, vector<int> ys) {
	int n = xs.size();

	map<pair<int, int>, int> points;
	for (int i = 0; i < n; ++i)
		points[make_pair(xs[i], ys[i])] = i;

	vector<int> rep(n); int comps = n;
	for (int i = 0; i < n; ++i)
		rep[i] = i;

	function<int (int)> find = [&rep, &find](int u) {
		if (rep[u] == u) return u;
		return rep[u] = find(rep[u]);
	};

	function<void (int, int)> une = [&rep, &comps, &find](int u, int v) {
		u = find(u); v = find(v);

		if (u == v) return;
		rep[u] = v;

		--comps;
	};

	vector<int> us, vs, as, bs;
	for (int i = 0; i < n; ++i) {
		int x = xs[i], y = ys[i];
		if (points.find(make_pair(x + 2, y)) != points.end()) {
			us.push_back(i);
			vs.push_back(points[make_pair(x + 2, y)]);
			une(us.back(), vs.back());

			as.push_back(3);
			bs.push_back(y + 1);
		}
		if (points.find(make_pair(x, y + 2)) != points.end()) {
			us.push_back(i);
			vs.push_back(points[make_pair(x, y + 2)]);
			une(us.back(), vs.back());

			if (x == 2) {
				as.push_back(1);
				bs.push_back(y + 1);
			}
			else {
				as.push_back(5);
				bs.push_back(y + 1);
			}
		}
	}

	if (comps > 1) return 0;

	build(us, vs, as, bs);

	return 1;
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	436 KB	Output is correct
2	Correct	1 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	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	113 ms	14124 KB	Output is correct
10	Correct	8 ms	1884 KB	Output is correct
11	Correct	45 ms	7836 KB	Output is correct
12	Correct	11 ms	2648 KB	Output is correct
13	Correct	24 ms	5332 KB	Output is correct
14	Correct	2 ms	344 KB	Output is correct
15	Correct	1 ms	604 KB	Output is correct
16	Correct	129 ms	14188 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	436 KB	Output is correct
2	Correct	1 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	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	113 ms	14124 KB	Output is correct
10	Correct	8 ms	1884 KB	Output is correct
11	Correct	45 ms	7836 KB	Output is correct
12	Correct	11 ms	2648 KB	Output is correct
13	Correct	24 ms	5332 KB	Output is correct
14	Correct	2 ms	344 KB	Output is correct
15	Correct	1 ms	604 KB	Output is correct
16	Correct	129 ms	14188 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	366 ms	32700 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	2 ms	604 KB	Output is correct
26	Correct	2 ms	860 KB	Output is correct
27	Correct	3 ms	860 KB	Output is correct
28	Correct	103 ms	13244 KB	Output is correct
29	Correct	169 ms	19800 KB	Output is correct
30	Correct	234 ms	26288 KB	Output is correct
31	Correct	355 ms	32776 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	1 ms	344 KB	Output is correct
35	Correct	0 ms	344 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	0 ms	344 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	1 ms	348 KB	Output is correct
42	Correct	0 ms	344 KB	Output is correct
43	Correct	1 ms	604 KB	Output is correct
44	Correct	2 ms	600 KB	Output is correct
45	Correct	120 ms	14224 KB	Output is correct
46	Correct	195 ms	20384 KB	Output is correct
47	Correct	188 ms	20432 KB	Output is correct

Subtask #3
0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	436 KB	Output is correct
2	Correct	1 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	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	113 ms	14124 KB	Output is correct
10	Correct	8 ms	1884 KB	Output is correct
11	Correct	45 ms	7836 KB	Output is correct
12	Correct	11 ms	2648 KB	Output is correct
13	Correct	24 ms	5332 KB	Output is correct
14	Correct	2 ms	344 KB	Output is correct
15	Correct	1 ms	604 KB	Output is correct
16	Correct	129 ms	14188 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	366 ms	32700 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	2 ms	604 KB	Output is correct
26	Correct	2 ms	860 KB	Output is correct
27	Correct	3 ms	860 KB	Output is correct
28	Correct	103 ms	13244 KB	Output is correct
29	Correct	169 ms	19800 KB	Output is correct
30	Correct	234 ms	26288 KB	Output is correct
31	Correct	355 ms	32776 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	1 ms	344 KB	Output is correct
35	Correct	0 ms	344 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	0 ms	344 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	1 ms	348 KB	Output is correct
42	Correct	0 ms	344 KB	Output is correct
43	Correct	1 ms	604 KB	Output is correct
44	Correct	2 ms	600 KB	Output is correct
45	Correct	120 ms	14224 KB	Output is correct
46	Correct	195 ms	20384 KB	Output is correct
47	Correct	188 ms	20432 KB	Output is correct
48	Incorrect	0 ms	348 KB	Tree (a[1], b[1]) = (3, 3) is not adjacent to edge between u[1]=1 @(4, 2) and v[1]=0 @(6, 2)
49	Halted	0 ms	0 KB	-

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	436 KB	Output is correct
2	Correct	1 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	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	113 ms	14124 KB	Output is correct
10	Correct	8 ms	1884 KB	Output is correct
11	Correct	45 ms	7836 KB	Output is correct
12	Correct	11 ms	2648 KB	Output is correct
13	Correct	24 ms	5332 KB	Output is correct
14	Correct	2 ms	344 KB	Output is correct
15	Correct	1 ms	604 KB	Output is correct
16	Correct	129 ms	14188 KB	Output is correct
17	Incorrect	1 ms	344 KB	Tree (a[0], b[0]) = (5, 3) is not adjacent to edge between u[0]=0 @(200000, 2) and v[0]=1 @(200000, 4)
18	Halted	0 ms	0 KB	-

Subtask #5
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	436 KB	Output is correct
2	Correct	1 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	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	113 ms	14124 KB	Output is correct
10	Correct	8 ms	1884 KB	Output is correct
11	Correct	45 ms	7836 KB	Output is correct
12	Correct	11 ms	2648 KB	Output is correct
13	Correct	24 ms	5332 KB	Output is correct
14	Correct	2 ms	344 KB	Output is correct
15	Correct	1 ms	604 KB	Output is correct
16	Correct	129 ms	14188 KB	Output is correct
17	Incorrect	291 ms	28056 KB	Tree (a[0], b[0]) = (3, 100003) is not adjacent to edge between u[0]=0 @(82422, 100002) and v[0]=168975 @(82424, 100002)
18	Halted	0 ms	0 KB	-

Subtask #6
0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	436 KB	Output is correct
2	Correct	1 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	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	113 ms	14124 KB	Output is correct
10	Correct	8 ms	1884 KB	Output is correct
11	Correct	45 ms	7836 KB	Output is correct
12	Correct	11 ms	2648 KB	Output is correct
13	Correct	24 ms	5332 KB	Output is correct
14	Correct	2 ms	344 KB	Output is correct
15	Correct	1 ms	604 KB	Output is correct
16	Correct	129 ms	14188 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	366 ms	32700 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	2 ms	604 KB	Output is correct
26	Correct	2 ms	860 KB	Output is correct
27	Correct	3 ms	860 KB	Output is correct
28	Correct	103 ms	13244 KB	Output is correct
29	Correct	169 ms	19800 KB	Output is correct
30	Correct	234 ms	26288 KB	Output is correct
31	Correct	355 ms	32776 KB	Output is correct
32	Correct	0 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	1 ms	344 KB	Output is correct
35	Correct	0 ms	344 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	0 ms	344 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	1 ms	348 KB	Output is correct
42	Correct	0 ms	344 KB	Output is correct
43	Correct	1 ms	604 KB	Output is correct
44	Correct	2 ms	600 KB	Output is correct
45	Correct	120 ms	14224 KB	Output is correct
46	Correct	195 ms	20384 KB	Output is correct
47	Correct	188 ms	20432 KB	Output is correct
48	Incorrect	0 ms	348 KB	Tree (a[1], b[1]) = (3, 3) is not adjacent to edge between u[1]=1 @(4, 2) and v[1]=0 @(6, 2)
49	Halted	0 ms	0 KB	-

Submission #987010

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 0 / 15.0

Subtask #4 0 / 20.0

Subtask #5 0 / 20.0

Subtask #6 0 / 30.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
0 / 15.0

Subtask #4
0 / 20.0

Subtask #5
0 / 20.0

Subtask #6
0 / 30.0