답안 #466710

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
466710	2021-08-20T12:46:09 Z	ronnith	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	259 ms	80592 KB

skyscraper

#include <bits/stdc++.h>

using namespace std;

const int N = (int)3e4, M = (int)3e4;
int n, m;
array<int, 2> doge[M];

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	cin >> n >> m;
	set<int> P;
	vector<int> ind;
	for(int i = 0;i < m;i ++) {
		int b, p;
		cin >> b >> p;
		P.insert(p);
		doge[i] = {b, p};
	}
	for(auto& e: P) ind.push_back(e);
	auto id = [&](int x) {
		return lower_bound(ind.begin(), ind.end(), x) - ind.begin();
	};
	vector<set<int>> pos(n);
	for(int i = 0;i < m;i ++) {
		pos[doge[i][0]].insert(id(doge[i][1]));
	}
	vector<vector<pair<int, int>>> adj(n);
	set<array<int, 2>> same;
	for(int i = 0;i < m;i ++) {
		if(same.find(doge[i]) != same.end()) continue;
		same.insert(doge[i]);
		int it = doge[i][0]+doge[i][1];
		int cnt = 1;
		while(it < n) {
			adj[doge[i][0]].emplace_back(it, cnt);
			if(pos[it].find(id(doge[i][1])) != pos[it].end()) break;
			it += doge[i][1];
			cnt ++;
		}
		it = doge[i][0]-doge[i][1];
		cnt = 1;
		while(it >= 0) {
			adj[doge[i][0]].emplace_back(it, cnt);
			if(pos[it].find(id(doge[i][1])) != pos[it].end()) break;
			it -= doge[i][1];
			cnt ++;
		}
	}
	vector<int> dist(n, INT_MAX);
	priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> pq;
	pq.push({0, doge[0][0]});
	dist[doge[0][0]] = 0;
	while((int)pq.size()) {
		auto X = pq.top();
		pq.pop();
		int d, x; tie(d, x) = X;
		if(d != dist[x]) continue;
		for(auto E : adj[x]) {
			int e, w;tie(e, w) = E;
			if(dist[e] > dist[x] + w) {
				dist[e] = dist[x] + w;
				pq.push({dist[e], e});
			}
		}
	}
	cout << (dist[doge[1][0]] == INT_MAX ? -1 : dist[doge[1][0]])  << '\n';
	return 0;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	316 KB	Output is correct
3	Correct	1 ms	324 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	328 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	2 ms	460 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	2 ms	588 KB	Output is correct
15	Correct	2 ms	588 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	328 KB	Output is correct
11	Correct	2 ms	588 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	2 ms	588 KB	Output is correct
15	Correct	3 ms	588 KB	Output is correct
16	Correct	1 ms	460 KB	Output is correct
17	Correct	3 ms	716 KB	Output is correct
18	Correct	2 ms	588 KB	Output is correct
19	Correct	1 ms	588 KB	Output is correct
20	Correct	2 ms	716 KB	Output is correct
21	Correct	2 ms	460 KB	Output is correct
22	Correct	2 ms	588 KB	Output is correct
23	Correct	2 ms	588 KB	Output is correct
24	Correct	4 ms	844 KB	Output is correct
25	Correct	3 ms	844 KB	Output is correct
26	Correct	2 ms	588 KB	Output is correct
27	Correct	2 ms	588 KB	Output is correct
28	Correct	3 ms	844 KB	Output is correct
29	Correct	4 ms	1356 KB	Output is correct
30	Correct	2 ms	716 KB	Output is correct
31	Correct	2 ms	972 KB	Output is correct
32	Correct	2 ms	844 KB	Output is correct
33	Correct	6 ms	2124 KB	Output is correct
34	Correct	8 ms	2124 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	328 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	3 ms	588 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	2 ms	588 KB	Output is correct
15	Correct	2 ms	588 KB	Output is correct
16	Correct	1 ms	460 KB	Output is correct
17	Correct	3 ms	716 KB	Output is correct
18	Correct	2 ms	588 KB	Output is correct
19	Correct	1 ms	588 KB	Output is correct
20	Correct	2 ms	716 KB	Output is correct
21	Correct	2 ms	460 KB	Output is correct
22	Correct	2 ms	588 KB	Output is correct
23	Correct	2 ms	588 KB	Output is correct
24	Correct	4 ms	844 KB	Output is correct
25	Correct	3 ms	844 KB	Output is correct
26	Correct	2 ms	588 KB	Output is correct
27	Correct	2 ms	588 KB	Output is correct
28	Correct	3 ms	896 KB	Output is correct
29	Correct	4 ms	1356 KB	Output is correct
30	Correct	2 ms	716 KB	Output is correct
31	Correct	3 ms	972 KB	Output is correct
32	Correct	2 ms	844 KB	Output is correct
33	Correct	7 ms	2124 KB	Output is correct
34	Correct	7 ms	2152 KB	Output is correct
35	Correct	52 ms	4292 KB	Output is correct
36	Correct	6 ms	1128 KB	Output is correct
37	Correct	42 ms	4712 KB	Output is correct
38	Correct	54 ms	5592 KB	Output is correct
39	Correct	56 ms	5616 KB	Output is correct
40	Correct	56 ms	5572 KB	Output is correct
41	Correct	58 ms	5540 KB	Output is correct
42	Correct	8 ms	972 KB	Output is correct
43	Correct	8 ms	972 KB	Output is correct
44	Correct	8 ms	1100 KB	Output is correct
45	Correct	50 ms	8332 KB	Output is correct
46	Correct	51 ms	8268 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	328 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	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	2 ms	460 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	4 ms	588 KB	Output is correct
15	Correct	3 ms	588 KB	Output is correct
16	Correct	1 ms	460 KB	Output is correct
17	Correct	3 ms	716 KB	Output is correct
18	Correct	2 ms	588 KB	Output is correct
19	Correct	2 ms	588 KB	Output is correct
20	Correct	2 ms	716 KB	Output is correct
21	Correct	2 ms	504 KB	Output is correct
22	Correct	2 ms	588 KB	Output is correct
23	Correct	2 ms	588 KB	Output is correct
24	Correct	4 ms	844 KB	Output is correct
25	Correct	3 ms	844 KB	Output is correct
26	Correct	2 ms	588 KB	Output is correct
27	Correct	2 ms	588 KB	Output is correct
28	Correct	3 ms	844 KB	Output is correct
29	Correct	4 ms	1356 KB	Output is correct
30	Correct	2 ms	716 KB	Output is correct
31	Correct	3 ms	972 KB	Output is correct
32	Correct	3 ms	844 KB	Output is correct
33	Correct	6 ms	2124 KB	Output is correct
34	Correct	7 ms	2088 KB	Output is correct
35	Correct	40 ms	4368 KB	Output is correct
36	Correct	6 ms	1212 KB	Output is correct
37	Correct	54 ms	4668 KB	Output is correct
38	Correct	53 ms	5548 KB	Output is correct
39	Correct	55 ms	5664 KB	Output is correct
40	Correct	55 ms	5640 KB	Output is correct
41	Correct	54 ms	5592 KB	Output is correct
42	Correct	8 ms	972 KB	Output is correct
43	Correct	9 ms	972 KB	Output is correct
44	Correct	8 ms	1100 KB	Output is correct
45	Correct	52 ms	8248 KB	Output is correct
46	Correct	50 ms	8284 KB	Output is correct
47	Correct	102 ms	13112 KB	Output is correct
48	Correct	45 ms	7596 KB	Output is correct
49	Correct	37 ms	6860 KB	Output is correct
50	Correct	29 ms	6048 KB	Output is correct
51	Correct	82 ms	10684 KB	Output is correct
52	Correct	89 ms	11216 KB	Output is correct
53	Correct	41 ms	7536 KB	Output is correct
54	Correct	3 ms	3020 KB	Output is correct
55	Correct	4 ms	3464 KB	Output is correct
56	Correct	31 ms	6732 KB	Output is correct
57	Correct	41 ms	11592 KB	Output is correct
58	Correct	11 ms	3976 KB	Output is correct
59	Correct	13 ms	4308 KB	Output is correct
60	Correct	15 ms	5000 KB	Output is correct
61	Correct	22 ms	4760 KB	Output is correct
62	Correct	91 ms	11020 KB	Output is correct
63	Correct	132 ms	30484 KB	Output is correct
64	Correct	153 ms	39356 KB	Output is correct
65	Correct	172 ms	51640 KB	Output is correct
66	Correct	243 ms	80592 KB	Output is correct
67	Correct	259 ms	79784 KB	Output is correct

답안 #466710

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