답안 #260914

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
260914	2020-08-11T07:37:31 Z	atoiz	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	743 ms	116732 KB

skyscraper

#include <iostream>
#include <vector>
#include <algorithm>
#include <unordered_map>
#include <cassert>
#include <tuple>

using namespace std;

const int MAXN = (1 << 15), QUEUE_SIZE = 40000000, CUTOFF = (1 << 8);
vector<int> powers[MAXN];
int dist[MAXN][CUTOFF];
int N, M, S, T;
tuple<int, int, int> qu[QUEUE_SIZE];
int top;

int main()
{
	ios_base::sync_with_stdio(0); cin.tie(0);
	cin >> N >> M;
	for (int i = 0; i < M; ++i) {
		int b, p;
		cin >> b >> p;

		if (i == 0) S = b;
		else if (i == 1) T = b;

		powers[b].push_back(p);
		if (p >= CUTOFF) powers[b].push_back(-p);
	}

	for (int i = 0; i < N; ++i) for (int j = 0; j < CUTOFF; ++j) dist[i][j] = QUEUE_SIZE;

	qu[0] = make_tuple(S, 0, 0), top = 0;
	for (int qi = 0; qi <= top; ++qi) {
		int u, d, c;
		tie(u, d, c) = qu[qi];
		if (u == T) return cout << c << endl, 0;

		powers[u].push_back(d);

		for (int d0 : powers[u]) {
			if (abs(d0) < CUTOFF && dist[u][d0] == QUEUE_SIZE) dist[u][d0] = c;

			if (abs(d0) >= CUTOFF) {
				if (0 <= u + d0 && u + d0 < N) qu[++top] = make_tuple(u + d0, d0, c + 1);
			} else {
				if (u - d0 >= 0 && dist[u - d0][d0] == QUEUE_SIZE) {
					qu[++top] = make_tuple(u - d0, d0, dist[u - d0][d0] = c + 1);
				}

				if (u + d0 < N && dist[u + d0][d0] == QUEUE_SIZE) {
					qu[++top] = make_tuple(u + d0, d0, dist[u + d0][d0] = c + 1);
				}
			}
		}
		powers[u].clear();
	}
	cout << -1 << endl;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1152 KB	Output is correct
2	Correct	1 ms	1152 KB	Output is correct
3	Correct	1 ms	1152 KB	Output is correct
4	Correct	1 ms	1152 KB	Output is correct
5	Correct	1 ms	1152 KB	Output is correct
6	Correct	1 ms	1128 KB	Output is correct
7	Correct	1 ms	1152 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1152 KB	Output is correct
2	Correct	1 ms	1152 KB	Output is correct
3	Correct	1 ms	1152 KB	Output is correct
4	Correct	1 ms	1152 KB	Output is correct
5	Correct	1 ms	1152 KB	Output is correct
6	Correct	0 ms	1152 KB	Output is correct
7	Correct	1 ms	1152 KB	Output is correct
8	Correct	1 ms	1152 KB	Output is correct
9	Correct	1 ms	1152 KB	Output is correct
10	Correct	1 ms	1280 KB	Output is correct
11	Correct	1 ms	1280 KB	Output is correct
12	Correct	1 ms	1280 KB	Output is correct
13	Correct	1 ms	1256 KB	Output is correct
14	Correct	1 ms	1280 KB	Output is correct
15	Correct	1 ms	1280 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1152 KB	Output is correct
2	Correct	1 ms	1152 KB	Output is correct
3	Correct	1 ms	1152 KB	Output is correct
4	Correct	1 ms	1152 KB	Output is correct
5	Correct	1 ms	1152 KB	Output is correct
6	Correct	1 ms	1152 KB	Output is correct
7	Correct	1 ms	1152 KB	Output is correct
8	Correct	1 ms	1128 KB	Output is correct
9	Correct	1 ms	1152 KB	Output is correct
10	Correct	1 ms	1280 KB	Output is correct
11	Correct	2 ms	1280 KB	Output is correct
12	Correct	1 ms	1280 KB	Output is correct
13	Correct	2 ms	1280 KB	Output is correct
14	Correct	1 ms	1280 KB	Output is correct
15	Correct	2 ms	1280 KB	Output is correct
16	Correct	1 ms	1280 KB	Output is correct
17	Correct	2 ms	1920 KB	Output is correct
18	Correct	2 ms	2944 KB	Output is correct
19	Correct	2 ms	3200 KB	Output is correct
20	Correct	3 ms	3200 KB	Output is correct
21	Correct	2 ms	1536 KB	Output is correct
22	Correct	3 ms	2944 KB	Output is correct
23	Correct	3 ms	2816 KB	Output is correct
24	Correct	3 ms	3200 KB	Output is correct
25	Correct	3 ms	3200 KB	Output is correct
26	Correct	3 ms	3200 KB	Output is correct
27	Correct	3 ms	3200 KB	Output is correct
28	Correct	4 ms	3456 KB	Output is correct
29	Correct	5 ms	3840 KB	Output is correct
30	Correct	3 ms	3328 KB	Output is correct
31	Correct	3 ms	3584 KB	Output is correct
32	Correct	4 ms	3456 KB	Output is correct
33	Correct	7 ms	4608 KB	Output is correct
34	Correct	4 ms	3968 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1152 KB	Output is correct
2	Correct	1 ms	1152 KB	Output is correct
3	Correct	1 ms	1152 KB	Output is correct
4	Correct	1 ms	1152 KB	Output is correct
5	Correct	1 ms	1152 KB	Output is correct
6	Correct	1 ms	1152 KB	Output is correct
7	Correct	1 ms	1152 KB	Output is correct
8	Correct	1 ms	1152 KB	Output is correct
9	Correct	1 ms	1152 KB	Output is correct
10	Correct	1 ms	1280 KB	Output is correct
11	Correct	1 ms	1280 KB	Output is correct
12	Correct	1 ms	1280 KB	Output is correct
13	Correct	1 ms	1280 KB	Output is correct
14	Correct	2 ms	1280 KB	Output is correct
15	Correct	1 ms	1280 KB	Output is correct
16	Correct	1 ms	1280 KB	Output is correct
17	Correct	3 ms	1920 KB	Output is correct
18	Correct	3 ms	2944 KB	Output is correct
19	Correct	3 ms	3072 KB	Output is correct
20	Correct	3 ms	3200 KB	Output is correct
21	Correct	1 ms	1536 KB	Output is correct
22	Correct	2 ms	2944 KB	Output is correct
23	Correct	3 ms	2816 KB	Output is correct
24	Correct	3 ms	3200 KB	Output is correct
25	Correct	3 ms	3200 KB	Output is correct
26	Correct	3 ms	3200 KB	Output is correct
27	Correct	3 ms	3200 KB	Output is correct
28	Correct	4 ms	3328 KB	Output is correct
29	Correct	4 ms	3840 KB	Output is correct
30	Correct	3 ms	3328 KB	Output is correct
31	Correct	3 ms	3584 KB	Output is correct
32	Correct	3 ms	3456 KB	Output is correct
33	Correct	7 ms	4608 KB	Output is correct
34	Correct	4 ms	3968 KB	Output is correct
35	Correct	10 ms	3200 KB	Output is correct
36	Correct	3 ms	2304 KB	Output is correct
37	Correct	8 ms	3584 KB	Output is correct
38	Correct	10 ms	3840 KB	Output is correct
39	Correct	10 ms	3456 KB	Output is correct
40	Correct	10 ms	3524 KB	Output is correct
41	Correct	16 ms	3584 KB	Output is correct
42	Correct	8 ms	3456 KB	Output is correct
43	Correct	8 ms	3456 KB	Output is correct
44	Correct	10 ms	3328 KB	Output is correct
45	Correct	24 ms	8576 KB	Output is correct
46	Correct	20 ms	6144 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1152 KB	Output is correct
2	Correct	1 ms	1152 KB	Output is correct
3	Correct	1 ms	1152 KB	Output is correct
4	Correct	1 ms	1152 KB	Output is correct
5	Correct	1 ms	1152 KB	Output is correct
6	Correct	1 ms	1152 KB	Output is correct
7	Correct	1 ms	1152 KB	Output is correct
8	Correct	1 ms	1152 KB	Output is correct
9	Correct	1 ms	1152 KB	Output is correct
10	Correct	1 ms	1280 KB	Output is correct
11	Correct	1 ms	1280 KB	Output is correct
12	Correct	2 ms	1280 KB	Output is correct
13	Correct	1 ms	1280 KB	Output is correct
14	Correct	2 ms	1280 KB	Output is correct
15	Correct	1 ms	1280 KB	Output is correct
16	Correct	2 ms	1280 KB	Output is correct
17	Correct	2 ms	1920 KB	Output is correct
18	Correct	3 ms	2944 KB	Output is correct
19	Correct	2 ms	3072 KB	Output is correct
20	Correct	3 ms	3200 KB	Output is correct
21	Correct	1 ms	1536 KB	Output is correct
22	Correct	3 ms	2944 KB	Output is correct
23	Correct	3 ms	2816 KB	Output is correct
24	Correct	4 ms	3072 KB	Output is correct
25	Correct	3 ms	3200 KB	Output is correct
26	Correct	3 ms	3200 KB	Output is correct
27	Correct	3 ms	3200 KB	Output is correct
28	Correct	3 ms	3456 KB	Output is correct
29	Correct	5 ms	3840 KB	Output is correct
30	Correct	3 ms	3328 KB	Output is correct
31	Correct	4 ms	3584 KB	Output is correct
32	Correct	4 ms	3456 KB	Output is correct
33	Correct	7 ms	4608 KB	Output is correct
34	Correct	6 ms	3968 KB	Output is correct
35	Correct	9 ms	3200 KB	Output is correct
36	Correct	3 ms	2304 KB	Output is correct
37	Correct	8 ms	3584 KB	Output is correct
38	Correct	13 ms	3840 KB	Output is correct
39	Correct	10 ms	3456 KB	Output is correct
40	Correct	11 ms	3584 KB	Output is correct
41	Correct	10 ms	3584 KB	Output is correct
42	Correct	8 ms	3456 KB	Output is correct
43	Correct	9 ms	3432 KB	Output is correct
44	Correct	10 ms	3328 KB	Output is correct
45	Correct	26 ms	8568 KB	Output is correct
46	Correct	17 ms	6144 KB	Output is correct
47	Correct	17 ms	14080 KB	Output is correct
48	Correct	24 ms	24832 KB	Output is correct
49	Correct	24 ms	27000 KB	Output is correct
50	Correct	24 ms	29440 KB	Output is correct
51	Correct	36 ms	32504 KB	Output is correct
52	Correct	39 ms	32604 KB	Output is correct
53	Correct	34 ms	31864 KB	Output is correct
54	Correct	37 ms	31864 KB	Output is correct
55	Correct	21 ms	32104 KB	Output is correct
56	Correct	31 ms	32512 KB	Output is correct
57	Correct	20 ms	31232 KB	Output is correct
58	Correct	30 ms	33080 KB	Output is correct
59	Correct	30 ms	32888 KB	Output is correct
60	Correct	30 ms	32904 KB	Output is correct
61	Correct	31 ms	32760 KB	Output is correct
62	Correct	63 ms	36984 KB	Output is correct
63	Correct	128 ms	58872 KB	Output is correct
64	Correct	174 ms	65016 KB	Output is correct
65	Correct	350 ms	79416 KB	Output is correct
66	Correct	743 ms	116732 KB	Output is correct
67	Correct	327 ms	75564 KB	Output is correct

답안 #260914

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