Submission #87780

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
87780	2018-12-02T13:43:51 Z	KCSC	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	625 ms	123452 KB

skyscraper

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

const int DIM = 30005;

int ans[DIM]; 
pair<int, int> arr[DIM];
vector<int> lst[DIM];
bitset<DIM> oki[DIM], vis;

struct str {
	int ps, pw, tm; };
deque<str> que;

int main(void) {
#ifdef HOME
	freopen("skyscraper.in", "r", stdin); 
	freopen("skyscraper.out", "w", stdout);
#endif
	int n, m; cin >> n >> m;
	for (int i = 0; i < m; ++i) {
		cin >> arr[i].first >> arr[i].second;
		lst[arr[i].first].push_back(i); ans[i] = 1000000000; }
	que.push_back({arr[0].first, arr[0].second, 0}); 
	ans[0] = 0; oki[arr[0].first][arr[0].second] = true;
	while (que.size()) {
		int ps = que.front().ps, pw = que.front().pw, tm = que.front().tm; 
		que.pop_front();
		if (!vis[ps]) {
			vis[ps] = true;
			for (int x : lst[ps]) {
				ans[x] = min(ans[x], tm);
				if (!oki[arr[x].first][arr[x].second]) {		
					oki[arr[x].first][arr[x].second] = true; 
					que.push_front({arr[x].first, arr[x].second, tm}); } } }
		if (ps + pw < n and !oki[ps + pw][pw]) {
			oki[ps + pw][pw] = true; 
			que.push_back({ps + pw, pw, tm + 1}); }
		if (ps - pw >= 0 and !oki[ps - pw][pw]) {
			oki[ps - pw][pw] = true; 
			que.push_back({ps - pw, pw, tm + 1}); } }
	if (ans[1] == 1000000000) {
		ans[1] = -1; }
	cout << ans[1];		 
	return 0; }

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	1144 KB	Output is correct
2	Correct	3 ms	1144 KB	Output is correct
3	Correct	3 ms	1204 KB	Output is correct
4	Correct	3 ms	1204 KB	Output is correct
5	Correct	3 ms	1348 KB	Output is correct
6	Correct	3 ms	1448 KB	Output is correct
7	Correct	3 ms	1688 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	1688 KB	Output is correct
2	Correct	3 ms	1688 KB	Output is correct
3	Correct	3 ms	1688 KB	Output is correct
4	Correct	3 ms	1688 KB	Output is correct
5	Correct	3 ms	1688 KB	Output is correct
6	Correct	3 ms	1688 KB	Output is correct
7	Correct	3 ms	1688 KB	Output is correct
8	Correct	2 ms	1688 KB	Output is correct
9	Correct	3 ms	1772 KB	Output is correct
10	Correct	4 ms	1904 KB	Output is correct
11	Correct	4 ms	1908 KB	Output is correct
12	Correct	4 ms	1920 KB	Output is correct
13	Correct	4 ms	1948 KB	Output is correct
14	Correct	4 ms	2092 KB	Output is correct
15	Correct	2 ms	2104 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	2104 KB	Output is correct
2	Correct	3 ms	2104 KB	Output is correct
3	Correct	3 ms	2104 KB	Output is correct
4	Correct	4 ms	2104 KB	Output is correct
5	Correct	3 ms	2104 KB	Output is correct
6	Correct	3 ms	2104 KB	Output is correct
7	Correct	4 ms	2104 KB	Output is correct
8	Correct	3 ms	2104 KB	Output is correct
9	Correct	4 ms	2104 KB	Output is correct
10	Correct	4 ms	2104 KB	Output is correct
11	Correct	5 ms	2168 KB	Output is correct
12	Correct	5 ms	2168 KB	Output is correct
13	Correct	4 ms	2168 KB	Output is correct
14	Correct	5 ms	2220 KB	Output is correct
15	Correct	5 ms	2220 KB	Output is correct
16	Correct	4 ms	2220 KB	Output is correct
17	Correct	10 ms	4516 KB	Output is correct
18	Correct	4 ms	4516 KB	Output is correct
19	Correct	4 ms	4516 KB	Output is correct
20	Correct	14 ms	9332 KB	Output is correct
21	Correct	4 ms	9332 KB	Output is correct
22	Correct	3 ms	9332 KB	Output is correct
23	Correct	12 ms	9332 KB	Output is correct
24	Correct	15 ms	9332 KB	Output is correct
25	Correct	16 ms	9332 KB	Output is correct
26	Correct	15 ms	9332 KB	Output is correct
27	Correct	15 ms	9332 KB	Output is correct
28	Correct	16 ms	9332 KB	Output is correct
29	Correct	16 ms	9344 KB	Output is correct
30	Correct	14 ms	9344 KB	Output is correct
31	Correct	14 ms	9356 KB	Output is correct
32	Correct	16 ms	9360 KB	Output is correct
33	Correct	16 ms	9364 KB	Output is correct
34	Correct	18 ms	9376 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	9376 KB	Output is correct
2	Correct	3 ms	9376 KB	Output is correct
3	Correct	3 ms	9376 KB	Output is correct
4	Correct	3 ms	9376 KB	Output is correct
5	Correct	3 ms	9376 KB	Output is correct
6	Correct	3 ms	9376 KB	Output is correct
7	Correct	3 ms	9376 KB	Output is correct
8	Correct	3 ms	9376 KB	Output is correct
9	Correct	3 ms	9376 KB	Output is correct
10	Correct	2 ms	9376 KB	Output is correct
11	Correct	5 ms	9376 KB	Output is correct
12	Correct	4 ms	9376 KB	Output is correct
13	Correct	4 ms	9376 KB	Output is correct
14	Correct	4 ms	9376 KB	Output is correct
15	Correct	4 ms	9376 KB	Output is correct
16	Correct	3 ms	9376 KB	Output is correct
17	Correct	10 ms	9376 KB	Output is correct
18	Correct	3 ms	9376 KB	Output is correct
19	Correct	3 ms	9376 KB	Output is correct
20	Correct	9 ms	9524 KB	Output is correct
21	Correct	4 ms	9524 KB	Output is correct
22	Correct	3 ms	9524 KB	Output is correct
23	Correct	11 ms	9524 KB	Output is correct
24	Correct	15 ms	9524 KB	Output is correct
25	Correct	15 ms	9588 KB	Output is correct
26	Correct	14 ms	9608 KB	Output is correct
27	Correct	15 ms	9624 KB	Output is correct
28	Correct	16 ms	9640 KB	Output is correct
29	Correct	14 ms	9660 KB	Output is correct
30	Correct	14 ms	9660 KB	Output is correct
31	Correct	14 ms	9660 KB	Output is correct
32	Correct	14 ms	9664 KB	Output is correct
33	Correct	17 ms	9680 KB	Output is correct
34	Correct	17 ms	9692 KB	Output is correct
35	Correct	29 ms	9692 KB	Output is correct
36	Correct	12 ms	9692 KB	Output is correct
37	Correct	30 ms	10476 KB	Output is correct
38	Correct	37 ms	11148 KB	Output is correct
39	Correct	39 ms	11412 KB	Output is correct
40	Correct	38 ms	11788 KB	Output is correct
41	Correct	40 ms	12040 KB	Output is correct
42	Correct	30 ms	12040 KB	Output is correct
43	Correct	30 ms	12116 KB	Output is correct
44	Correct	31 ms	12300 KB	Output is correct
45	Correct	40 ms	12832 KB	Output is correct
46	Correct	40 ms	13040 KB	Output is correct

Subtask #5
43.0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	13040 KB	Output is correct
2	Correct	3 ms	13040 KB	Output is correct
3	Correct	3 ms	13040 KB	Output is correct
4	Correct	3 ms	13040 KB	Output is correct
5	Correct	3 ms	13040 KB	Output is correct
6	Correct	3 ms	13040 KB	Output is correct
7	Correct	3 ms	13040 KB	Output is correct
8	Correct	3 ms	13040 KB	Output is correct
9	Correct	3 ms	13040 KB	Output is correct
10	Correct	4 ms	13040 KB	Output is correct
11	Correct	5 ms	13040 KB	Output is correct
12	Correct	5 ms	13040 KB	Output is correct
13	Correct	5 ms	13040 KB	Output is correct
14	Correct	5 ms	13040 KB	Output is correct
15	Correct	5 ms	13040 KB	Output is correct
16	Correct	4 ms	13040 KB	Output is correct
17	Correct	9 ms	13040 KB	Output is correct
18	Correct	4 ms	13040 KB	Output is correct
19	Correct	4 ms	13040 KB	Output is correct
20	Correct	17 ms	13040 KB	Output is correct
21	Correct	4 ms	13040 KB	Output is correct
22	Correct	4 ms	13040 KB	Output is correct
23	Correct	13 ms	13040 KB	Output is correct
24	Correct	16 ms	13040 KB	Output is correct
25	Correct	17 ms	13040 KB	Output is correct
26	Correct	17 ms	13040 KB	Output is correct
27	Correct	16 ms	13040 KB	Output is correct
28	Correct	18 ms	13040 KB	Output is correct
29	Correct	14 ms	13040 KB	Output is correct
30	Correct	14 ms	13040 KB	Output is correct
31	Correct	15 ms	13040 KB	Output is correct
32	Correct	12 ms	13040 KB	Output is correct
33	Correct	17 ms	13040 KB	Output is correct
34	Correct	17 ms	13040 KB	Output is correct
35	Correct	29 ms	13040 KB	Output is correct
36	Correct	12 ms	13040 KB	Output is correct
37	Correct	30 ms	13420 KB	Output is correct
38	Correct	38 ms	14216 KB	Output is correct
39	Correct	37 ms	14368 KB	Output is correct
40	Correct	37 ms	14760 KB	Output is correct
41	Correct	37 ms	14912 KB	Output is correct
42	Correct	29 ms	14912 KB	Output is correct
43	Correct	29 ms	15052 KB	Output is correct
44	Correct	30 ms	15236 KB	Output is correct
45	Correct	41 ms	15928 KB	Output is correct
46	Correct	39 ms	16012 KB	Output is correct
47	Correct	142 ms	54392 KB	Output is correct
48	Correct	22 ms	54392 KB	Output is correct
49	Correct	21 ms	54392 KB	Output is correct
50	Correct	15 ms	54392 KB	Output is correct
51	Correct	224 ms	120252 KB	Output is correct
52	Correct	215 ms	120488 KB	Output is correct
53	Correct	209 ms	120836 KB	Output is correct
54	Correct	96 ms	120836 KB	Output is correct
55	Correct	122 ms	120836 KB	Output is correct
56	Correct	195 ms	121324 KB	Output is correct
57	Correct	210 ms	121324 KB	Output is correct
58	Correct	188 ms	121324 KB	Output is correct
59	Correct	212 ms	121324 KB	Output is correct
60	Correct	211 ms	121324 KB	Output is correct
61	Correct	210 ms	121604 KB	Output is correct
62	Correct	304 ms	122520 KB	Output is correct
63	Correct	385 ms	122520 KB	Output is correct
64	Correct	358 ms	122532 KB	Output is correct
65	Correct	452 ms	122888 KB	Output is correct
66	Correct	582 ms	123168 KB	Output is correct
67	Correct	625 ms	123452 KB	Output is correct

Submission #87780

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