Submission #46582

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
46582	2018-04-21T14:46:03 Z	aome	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	100 / 100	852 ms	38268 KB

skyscraper

#include <bits/stdc++.h>

using namespace std;

const int N = 30005;
const int B = 205;
const int INF = 0x3f3f3f3f;

int n, m;
int b[N], p[N];
int f[N][B];
vector<int> vec[N];

struct State {
	int w, x, y;

	State (int w, int x, int y) : w(w), x(x), y(y) {}

	bool operator < (const State& rhs) const {
		return w > rhs.w;
	}
};

int solve() {
	memset(f, INF, sizeof f);
	priority_queue<State> pq;
	pq.push(State(0, b[0], 0));
	f[b[0]][0] = 0;
	while (pq.size()) {
		State u = pq.top(); pq.pop();
		if (u.w != f[u.x][u.y]) continue;
		if (u.x == b[1]) return u.w;
		if (u.y) {
			if (f[u.x][0] > u.w) {
				f[u.x][0] = u.w, pq.push(State(u.w, u.x, 0));
			}
			if (u.x + u.y < n && f[u.x + u.y][u.y] > u.w + 1) {
				f[u.x + u.y][u.y] = u.w + 1, pq.push(State(u.w + 1, u.x + u.y, u.y));
			}
			if (u.x - u.y >= 0 && f[u.x - u.y][u.y] > u.w + 1) {
				f[u.x - u.y][u.y] = u.w + 1, pq.push(State(u.w + 1, u.x - u.y, u.y));
			}
		}
		else {
			for (auto i : vec[u.x]) {
				if (p[i] >= B) {
					for (int j = u.x % p[i]; j < n; j += p[i]) {
						if (f[j][0] > u.w + abs(u.x - j) / p[i]) {
							f[j][0] = u.w + abs(u.x - j) / p[i], pq.push(State(f[j][0], j, 0));
						}
					}
				}
				else {
					if (f[u.x][p[i]] > u.w) {
						f[u.x][p[i]] = u.w, pq.push(State(u.w, u.x, p[i]));
					}
				}
			}
		}
	}
	return -1;
}

int main() {
	ios::sync_with_stdio(false);
	cin >> n >> m;
	for (int i = 0; i < m; ++i) {
		cin >> b[i] >> p[i], vec[b[i]].push_back(i);
	}
	cout << solve();
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	24 ms	25080 KB	Output is correct
2	Correct	20 ms	25200 KB	Output is correct
3	Correct	19 ms	25268 KB	Output is correct
4	Correct	21 ms	25380 KB	Output is correct
5	Correct	21 ms	25436 KB	Output is correct
6	Correct	19 ms	25480 KB	Output is correct
7	Correct	20 ms	25480 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	21 ms	25480 KB	Output is correct
2	Correct	20 ms	25580 KB	Output is correct
3	Correct	21 ms	25580 KB	Output is correct
4	Correct	21 ms	25580 KB	Output is correct
5	Correct	24 ms	25580 KB	Output is correct
6	Correct	20 ms	25580 KB	Output is correct
7	Correct	24 ms	25580 KB	Output is correct
8	Correct	19 ms	25580 KB	Output is correct
9	Correct	20 ms	25580 KB	Output is correct
10	Correct	20 ms	25580 KB	Output is correct
11	Correct	21 ms	25632 KB	Output is correct
12	Correct	20 ms	25644 KB	Output is correct
13	Correct	21 ms	25644 KB	Output is correct
14	Correct	23 ms	25888 KB	Output is correct
15	Correct	22 ms	25888 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	20 ms	25888 KB	Output is correct
2	Correct	21 ms	25888 KB	Output is correct
3	Correct	20 ms	25888 KB	Output is correct
4	Correct	22 ms	25888 KB	Output is correct
5	Correct	22 ms	25888 KB	Output is correct
6	Correct	21 ms	25888 KB	Output is correct
7	Correct	19 ms	25888 KB	Output is correct
8	Correct	20 ms	25888 KB	Output is correct
9	Correct	20 ms	25888 KB	Output is correct
10	Correct	20 ms	25888 KB	Output is correct
11	Correct	22 ms	25888 KB	Output is correct
12	Correct	22 ms	25888 KB	Output is correct
13	Correct	21 ms	25888 KB	Output is correct
14	Correct	22 ms	25932 KB	Output is correct
15	Correct	22 ms	25932 KB	Output is correct
16	Correct	21 ms	25932 KB	Output is correct
17	Correct	22 ms	25932 KB	Output is correct
18	Correct	20 ms	25932 KB	Output is correct
19	Correct	25 ms	25932 KB	Output is correct
20	Correct	23 ms	25932 KB	Output is correct
21	Correct	20 ms	25932 KB	Output is correct
22	Correct	21 ms	25932 KB	Output is correct
23	Correct	25 ms	25940 KB	Output is correct
24	Correct	23 ms	25940 KB	Output is correct
25	Correct	22 ms	26060 KB	Output is correct
26	Correct	22 ms	26060 KB	Output is correct
27	Correct	22 ms	26060 KB	Output is correct
28	Correct	24 ms	26060 KB	Output is correct
29	Correct	26 ms	26060 KB	Output is correct
30	Correct	27 ms	26060 KB	Output is correct
31	Correct	24 ms	26060 KB	Output is correct
32	Correct	25 ms	26060 KB	Output is correct
33	Correct	31 ms	26064 KB	Output is correct
34	Correct	28 ms	26076 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	21 ms	26076 KB	Output is correct
2	Correct	21 ms	26076 KB	Output is correct
3	Correct	22 ms	26076 KB	Output is correct
4	Correct	21 ms	26076 KB	Output is correct
5	Correct	22 ms	26076 KB	Output is correct
6	Correct	21 ms	26108 KB	Output is correct
7	Correct	21 ms	26108 KB	Output is correct
8	Correct	21 ms	26108 KB	Output is correct
9	Correct	21 ms	26108 KB	Output is correct
10	Correct	21 ms	26108 KB	Output is correct
11	Correct	22 ms	26132 KB	Output is correct
12	Correct	21 ms	26148 KB	Output is correct
13	Correct	21 ms	26156 KB	Output is correct
14	Correct	23 ms	26168 KB	Output is correct
15	Correct	21 ms	26180 KB	Output is correct
16	Correct	21 ms	26192 KB	Output is correct
17	Correct	22 ms	26200 KB	Output is correct
18	Correct	21 ms	26216 KB	Output is correct
19	Correct	21 ms	26216 KB	Output is correct
20	Correct	22 ms	26236 KB	Output is correct
21	Correct	21 ms	26236 KB	Output is correct
22	Correct	21 ms	26272 KB	Output is correct
23	Correct	24 ms	26280 KB	Output is correct
24	Correct	27 ms	26296 KB	Output is correct
25	Correct	21 ms	26304 KB	Output is correct
26	Correct	21 ms	26356 KB	Output is correct
27	Correct	23 ms	26356 KB	Output is correct
28	Correct	24 ms	26388 KB	Output is correct
29	Correct	26 ms	26408 KB	Output is correct
30	Correct	23 ms	26408 KB	Output is correct
31	Correct	25 ms	26532 KB	Output is correct
32	Correct	24 ms	26532 KB	Output is correct
33	Correct	34 ms	26532 KB	Output is correct
34	Correct	33 ms	26532 KB	Output is correct
35	Correct	36 ms	27096 KB	Output is correct
36	Correct	23 ms	27096 KB	Output is correct
37	Correct	29 ms	27228 KB	Output is correct
38	Correct	35 ms	27644 KB	Output is correct
39	Correct	28 ms	27780 KB	Output is correct
40	Correct	28 ms	28044 KB	Output is correct
41	Correct	31 ms	28380 KB	Output is correct
42	Correct	30 ms	28572 KB	Output is correct
43	Correct	28 ms	28684 KB	Output is correct
44	Correct	27 ms	28880 KB	Output is correct
45	Correct	79 ms	29664 KB	Output is correct
46	Correct	48 ms	29856 KB	Output is correct

Subtask #5
43.0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	21 ms	29856 KB	Output is correct
2	Correct	25 ms	29856 KB	Output is correct
3	Correct	21 ms	29856 KB	Output is correct
4	Correct	25 ms	29856 KB	Output is correct
5	Correct	21 ms	29856 KB	Output is correct
6	Correct	21 ms	29856 KB	Output is correct
7	Correct	22 ms	29856 KB	Output is correct
8	Correct	21 ms	29856 KB	Output is correct
9	Correct	24 ms	29856 KB	Output is correct
10	Correct	21 ms	29856 KB	Output is correct
11	Correct	22 ms	29856 KB	Output is correct
12	Correct	21 ms	29856 KB	Output is correct
13	Correct	22 ms	29856 KB	Output is correct
14	Correct	22 ms	29856 KB	Output is correct
15	Correct	22 ms	29856 KB	Output is correct
16	Correct	24 ms	29856 KB	Output is correct
17	Correct	23 ms	29856 KB	Output is correct
18	Correct	22 ms	29856 KB	Output is correct
19	Correct	22 ms	29856 KB	Output is correct
20	Correct	22 ms	29856 KB	Output is correct
21	Correct	20 ms	29856 KB	Output is correct
22	Correct	20 ms	29856 KB	Output is correct
23	Correct	21 ms	29856 KB	Output is correct
24	Correct	22 ms	29856 KB	Output is correct
25	Correct	22 ms	29856 KB	Output is correct
26	Correct	22 ms	29856 KB	Output is correct
27	Correct	22 ms	29856 KB	Output is correct
28	Correct	22 ms	29856 KB	Output is correct
29	Correct	26 ms	29856 KB	Output is correct
30	Correct	27 ms	29856 KB	Output is correct
31	Correct	25 ms	29856 KB	Output is correct
32	Correct	23 ms	29856 KB	Output is correct
33	Correct	36 ms	29856 KB	Output is correct
34	Correct	28 ms	29856 KB	Output is correct
35	Correct	30 ms	29988 KB	Output is correct
36	Correct	27 ms	29988 KB	Output is correct
37	Correct	34 ms	30120 KB	Output is correct
38	Correct	30 ms	30500 KB	Output is correct
39	Correct	33 ms	30796 KB	Output is correct
40	Correct	28 ms	30940 KB	Output is correct
41	Correct	35 ms	31324 KB	Output is correct
42	Correct	28 ms	31496 KB	Output is correct
43	Correct	27 ms	31720 KB	Output is correct
44	Correct	28 ms	31800 KB	Output is correct
45	Correct	70 ms	32588 KB	Output is correct
46	Correct	47 ms	32796 KB	Output is correct
47	Correct	31 ms	33160 KB	Output is correct
48	Correct	28 ms	33160 KB	Output is correct
49	Correct	28 ms	33160 KB	Output is correct
50	Correct	26 ms	33160 KB	Output is correct
51	Correct	45 ms	34396 KB	Output is correct
52	Correct	43 ms	34728 KB	Output is correct
53	Correct	33 ms	34728 KB	Output is correct
54	Correct	23 ms	34728 KB	Output is correct
55	Correct	23 ms	34728 KB	Output is correct
56	Correct	34 ms	35316 KB	Output is correct
57	Correct	22 ms	35316 KB	Output is correct
58	Correct	30 ms	35316 KB	Output is correct
59	Correct	32 ms	35316 KB	Output is correct
60	Correct	32 ms	35316 KB	Output is correct
61	Correct	32 ms	35316 KB	Output is correct
62	Correct	65 ms	36316 KB	Output is correct
63	Correct	72 ms	37532 KB	Output is correct
64	Correct	86 ms	37760 KB	Output is correct
65	Correct	353 ms	38032 KB	Output is correct
66	Correct	852 ms	38124 KB	Output is correct
67	Correct	437 ms	38268 KB	Output is correct

Submission #46582

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