Submission #954926

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
954926	2024-03-28T20:16:50 Z	colossal_pepe	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	100 / 100	906 ms	3532 KB

skyscraper

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

const int INF = 1e9;
const int BLK = 200;

int n, m;
vector<int> b, p;
vector<vector<int>> v;

void addDoge(int i, int pos, int d, vector<int> &dist, priority_queue<pair<int, int>> &q, bool dir) {
	int c = (dir ? 1 : -1);
	for (int pos_nxt = pos + c * p[i], x = 1; (dir ? pos_nxt < n : pos_nxt >= 0); pos_nxt += c * p[i], x++) {
		if (-d + x < dist[pos_nxt]) {
			dist[pos_nxt] = -d + x;
			q.push({d - x, pos_nxt});
		}
	}
}
 
int solve() {
	vector<int> dist(n, INF);
	priority_queue<pair<int, int>> q;
	dist[b[0]] = 0;
	q.push({0, b[0]});
	while (not q.empty()) {
		auto [d, pos] = q.top();
		q.pop();
		if (dist[pos] != -d) continue;
		while (not v[pos].empty()) {
			addDoge(v[pos].back(), pos, d, dist, q, 0);
			addDoge(v[pos].back(), pos, d, dist, q, 1);
			v[pos].pop_back();
		}
		// if (power and pos + power < n and -d + 1 < dist[pos + power][power]) {
		// 	dist[pos + power][power] = -d + 1;
		// 	q.push(make_tuple(d - 1, pos + power, power));
		// }
		// if (power and pos - power >= 0 and -d + 1 < dist[pos - power][power]) {
		// 	dist[pos - power][power] = -d + 1;
		// 	q.push(make_tuple(d - 1, pos - power, power));
		// }
	}
	int ret = INF;
	for (int i = 0; i < BLK; i++) {
		ret = min(ret, dist[b[1]]);
	}
	return ret == INF ? -1 : ret;
}
 
int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin >> n >> m;
	v.resize(n), b.resize(m), p.resize(m);
	for (int i = 0; i < m; i++) {
		cin >> b[i] >> p[i];
		v[b[i]].push_back(i);
	}
	cout << solve() << '\n';
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 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

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	344 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	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	1 ms	484 KB	Output is correct
13	Correct	1 ms	600 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 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	1 ms	600 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	1 ms	348 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	5 ms	604 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	1 ms	344 KB	Output is correct
24	Correct	1 ms	544 KB	Output is correct
25	Correct	1 ms	604 KB	Output is correct
26	Correct	4 ms	344 KB	Output is correct
27	Correct	4 ms	600 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	604 KB	Output is correct
30	Correct	1 ms	604 KB	Output is correct
31	Correct	1 ms	604 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	2 ms	604 KB	Output is correct
34	Correct	1 ms	604 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 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	352 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	512 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	5 ms	604 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	604 KB	Output is correct
26	Correct	4 ms	552 KB	Output is correct
27	Correct	4 ms	856 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	604 KB	Output is correct
30	Correct	1 ms	604 KB	Output is correct
31	Correct	1 ms	604 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	1 ms	604 KB	Output is correct
34	Correct	1 ms	604 KB	Output is correct
35	Correct	5 ms	860 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	4 ms	856 KB	Output is correct
38	Correct	6 ms	1116 KB	Output is correct
39	Correct	6 ms	1116 KB	Output is correct
40	Correct	6 ms	1116 KB	Output is correct
41	Correct	6 ms	1112 KB	Output is correct
42	Correct	59 ms	860 KB	Output is correct
43	Correct	60 ms	860 KB	Output is correct
44	Correct	57 ms	860 KB	Output is correct
45	Correct	5 ms	856 KB	Output is correct
46	Correct	5 ms	856 KB	Output is correct

Subtask #5
43.0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 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	1 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	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	600 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	6 ms	604 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	0 ms	360 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	624 KB	Output is correct
26	Correct	4 ms	348 KB	Output is correct
27	Correct	4 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	604 KB	Output is correct
30	Correct	1 ms	604 KB	Output is correct
31	Correct	1 ms	604 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	1 ms	604 KB	Output is correct
34	Correct	2 ms	604 KB	Output is correct
35	Correct	5 ms	860 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	6 ms	1116 KB	Output is correct
38	Correct	6 ms	1116 KB	Output is correct
39	Correct	6 ms	1116 KB	Output is correct
40	Correct	8 ms	1116 KB	Output is correct
41	Correct	6 ms	1116 KB	Output is correct
42	Correct	63 ms	856 KB	Output is correct
43	Correct	59 ms	856 KB	Output is correct
44	Correct	56 ms	856 KB	Output is correct
45	Correct	6 ms	860 KB	Output is correct
46	Correct	5 ms	856 KB	Output is correct
47	Correct	13 ms	1752 KB	Output is correct
48	Correct	5 ms	1628 KB	Output is correct
49	Correct	5 ms	1628 KB	Output is correct
50	Correct	3 ms	1628 KB	Output is correct
51	Correct	20 ms	3260 KB	Output is correct
52	Correct	22 ms	2880 KB	Output is correct
53	Correct	11 ms	2772 KB	Output is correct
54	Correct	2 ms	1372 KB	Output is correct
55	Correct	2 ms	1372 KB	Output is correct
56	Correct	859 ms	2776 KB	Output is correct
57	Correct	40 ms	3532 KB	Output is correct
58	Correct	906 ms	2128 KB	Output is correct
59	Correct	805 ms	2132 KB	Output is correct
60	Correct	869 ms	2084 KB	Output is correct
61	Correct	724 ms	2140 KB	Output is correct
62	Correct	8 ms	2652 KB	Output is correct
63	Correct	19 ms	3028 KB	Output is correct
64	Correct	19 ms	3024 KB	Output is correct
65	Correct	22 ms	3028 KB	Output is correct
66	Correct	28 ms	3188 KB	Output is correct
67	Correct	30 ms	3028 KB	Output is correct

Submission #954926

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 14.0 / 14.0

Subtask #4 21.0 / 21.0

Subtask #5 43.0 / 43.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
14.0 / 14.0

Subtask #4
21.0 / 21.0

Subtask #5
43.0 / 43.0