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Submission #260914

# Submission time Handle Problem Language Result Execution time Memory
260914 2020-08-11T07:37:31 Z atoiz Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 743 ms 116732 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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