Submission #243361

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
243361	2020-07-01T00:35:39 Z	neihcr7j	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	227 ms	65864 KB

skyscraper

#include<bits/stdc++.h>

#define oo 100000000
#define maxn 30004

using namespace std;
typedef long long ll;

int n, m;

int b[maxn], p[maxn];
vector < pair < int, int > > g[maxn];

set < int > s[maxn];

int d[maxn];

int main(){
  #define TASK "ABC"
  //freopen(TASK".inp", "r", stdin); freopen(TASK".out", "w", stdout);
  ios_base::sync_with_stdio(0);

  cin >> n >> m;

  for (int i = 0; i < m; ++i) {
    cin >> b[i] >> p[i];
    s[b[i]].insert(p[i]);
  }

  for (int i = 0; i < n; ++i)
    for (auto p : s[i]) {
      for (int j = 1; i + j * p < n; ++j) {
        g[i].push_back({i + j * p, j});
        if (s[i + j * p].count(p))
          break;
      }
      for (int j = 1; i - j * p >= 0; ++j) {
        g[i].push_back({i - j * p, j});
        if (s[i - j * p].count(p))
          break;
      }
    }

  priority_queue < pair < int, int > > p;

  fill(d, d + n + 1, oo);

  d[b[0]] = 0;

  p.push({0, b[0]});

  while (!p.empty()) {
    int dist = p.top().first, u = p.top().second; p.pop();

    if (d[u] != -dist) continue;

    for (auto i : g[u]) {
      int v = i.first, w = i.second;

      if (d[v] > d[u] + w) {
        d[v] = d[u] + w;
        p.push({-d[v], v});
      }
    }
  }

  cout << (d[b[1]] == oo ? -1 : d[b[1]]);

  return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	2432 KB	Output is correct
2	Correct	6 ms	2432 KB	Output is correct
3	Correct	6 ms	2432 KB	Output is correct
4	Correct	6 ms	2432 KB	Output is correct
5	Correct	6 ms	2432 KB	Output is correct
6	Correct	6 ms	2432 KB	Output is correct
7	Correct	6 ms	2432 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	2432 KB	Output is correct
2	Correct	6 ms	2432 KB	Output is correct
3	Correct	7 ms	2432 KB	Output is correct
4	Correct	6 ms	2432 KB	Output is correct
5	Correct	6 ms	2432 KB	Output is correct
6	Correct	6 ms	2432 KB	Output is correct
7	Correct	6 ms	2432 KB	Output is correct
8	Correct	6 ms	2432 KB	Output is correct
9	Correct	6 ms	2432 KB	Output is correct
10	Correct	7 ms	2560 KB	Output is correct
11	Correct	7 ms	2688 KB	Output is correct
12	Correct	7 ms	2432 KB	Output is correct
13	Correct	6 ms	2432 KB	Output is correct
14	Correct	7 ms	2688 KB	Output is correct
15	Correct	7 ms	2688 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	2432 KB	Output is correct
2	Correct	6 ms	2432 KB	Output is correct
3	Correct	6 ms	2432 KB	Output is correct
4	Correct	6 ms	2432 KB	Output is correct
5	Correct	6 ms	2432 KB	Output is correct
6	Correct	7 ms	2480 KB	Output is correct
7	Correct	7 ms	2432 KB	Output is correct
8	Correct	6 ms	2432 KB	Output is correct
9	Correct	6 ms	2432 KB	Output is correct
10	Correct	6 ms	2560 KB	Output is correct
11	Correct	7 ms	2688 KB	Output is correct
12	Correct	7 ms	2560 KB	Output is correct
13	Correct	6 ms	2560 KB	Output is correct
14	Correct	7 ms	2560 KB	Output is correct
15	Correct	8 ms	2688 KB	Output is correct
16	Correct	6 ms	2560 KB	Output is correct
17	Correct	8 ms	2816 KB	Output is correct
18	Correct	6 ms	2592 KB	Output is correct
19	Correct	6 ms	2560 KB	Output is correct
20	Correct	8 ms	2688 KB	Output is correct
21	Correct	6 ms	2560 KB	Output is correct
22	Correct	6 ms	2612 KB	Output is correct
23	Correct	7 ms	2688 KB	Output is correct
24	Correct	7 ms	2688 KB	Output is correct
25	Correct	7 ms	2688 KB	Output is correct
26	Correct	7 ms	2560 KB	Output is correct
27	Correct	7 ms	2560 KB	Output is correct
28	Correct	7 ms	2816 KB	Output is correct
29	Correct	8 ms	3232 KB	Output is correct
30	Correct	7 ms	2816 KB	Output is correct
31	Correct	8 ms	3072 KB	Output is correct
32	Correct	8 ms	2792 KB	Output is correct
33	Correct	11 ms	3836 KB	Output is correct
34	Correct	11 ms	4012 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	2432 KB	Output is correct
2	Correct	6 ms	2432 KB	Output is correct
3	Correct	6 ms	2432 KB	Output is correct
4	Correct	6 ms	2432 KB	Output is correct
5	Correct	6 ms	2432 KB	Output is correct
6	Correct	6 ms	2408 KB	Output is correct
7	Correct	6 ms	2432 KB	Output is correct
8	Correct	6 ms	2432 KB	Output is correct
9	Correct	6 ms	2432 KB	Output is correct
10	Correct	6 ms	2560 KB	Output is correct
11	Correct	7 ms	2688 KB	Output is correct
12	Correct	6 ms	2560 KB	Output is correct
13	Correct	7 ms	2560 KB	Output is correct
14	Correct	6 ms	2560 KB	Output is correct
15	Correct	7 ms	2688 KB	Output is correct
16	Correct	6 ms	2560 KB	Output is correct
17	Correct	8 ms	2688 KB	Output is correct
18	Correct	6 ms	2688 KB	Output is correct
19	Correct	6 ms	2560 KB	Output is correct
20	Correct	7 ms	2688 KB	Output is correct
21	Correct	6 ms	2560 KB	Output is correct
22	Correct	6 ms	2560 KB	Output is correct
23	Correct	7 ms	2688 KB	Output is correct
24	Correct	8 ms	2816 KB	Output is correct
25	Correct	7 ms	2688 KB	Output is correct
26	Correct	6 ms	2560 KB	Output is correct
27	Correct	7 ms	2560 KB	Output is correct
28	Correct	7 ms	2816 KB	Output is correct
29	Correct	9 ms	3200 KB	Output is correct
30	Correct	7 ms	2816 KB	Output is correct
31	Correct	8 ms	2944 KB	Output is correct
32	Correct	8 ms	2816 KB	Output is correct
33	Correct	11 ms	3964 KB	Output is correct
34	Correct	11 ms	3964 KB	Output is correct
35	Correct	23 ms	4864 KB	Output is correct
36	Correct	9 ms	2944 KB	Output is correct
37	Correct	25 ms	5632 KB	Output is correct
38	Correct	28 ms	5888 KB	Output is correct
39	Correct	36 ms	5880 KB	Output is correct
40	Correct	28 ms	5888 KB	Output is correct
41	Correct	32 ms	5880 KB	Output is correct
42	Correct	11 ms	2816 KB	Output is correct
43	Correct	13 ms	2816 KB	Output is correct
44	Correct	11 ms	2816 KB	Output is correct
45	Correct	31 ms	8416 KB	Output is correct
46	Correct	31 ms	8576 KB	Output is correct

Subtask #5
43.0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	2432 KB	Output is correct
2	Correct	6 ms	2432 KB	Output is correct
3	Correct	6 ms	2432 KB	Output is correct
4	Correct	6 ms	2432 KB	Output is correct
5	Correct	6 ms	2432 KB	Output is correct
6	Correct	6 ms	2432 KB	Output is correct
7	Correct	6 ms	2432 KB	Output is correct
8	Correct	6 ms	2432 KB	Output is correct
9	Correct	6 ms	2432 KB	Output is correct
10	Correct	6 ms	2560 KB	Output is correct
11	Correct	7 ms	2688 KB	Output is correct
12	Correct	7 ms	2432 KB	Output is correct
13	Correct	6 ms	2432 KB	Output is correct
14	Correct	8 ms	2560 KB	Output is correct
15	Correct	6 ms	2560 KB	Output is correct
16	Correct	7 ms	2560 KB	Output is correct
17	Correct	7 ms	2816 KB	Output is correct
18	Correct	6 ms	2688 KB	Output is correct
19	Correct	6 ms	2560 KB	Output is correct
20	Correct	7 ms	2688 KB	Output is correct
21	Correct	7 ms	2560 KB	Output is correct
22	Correct	6 ms	2560 KB	Output is correct
23	Correct	7 ms	2560 KB	Output is correct
24	Correct	7 ms	2688 KB	Output is correct
25	Correct	8 ms	2688 KB	Output is correct
26	Correct	7 ms	2560 KB	Output is correct
27	Correct	8 ms	2560 KB	Output is correct
28	Correct	7 ms	2816 KB	Output is correct
29	Correct	9 ms	3200 KB	Output is correct
30	Correct	7 ms	2816 KB	Output is correct
31	Correct	7 ms	2944 KB	Output is correct
32	Correct	7 ms	2816 KB	Output is correct
33	Correct	10 ms	3836 KB	Output is correct
34	Correct	10 ms	3964 KB	Output is correct
35	Correct	23 ms	4992 KB	Output is correct
36	Correct	10 ms	2944 KB	Output is correct
37	Correct	35 ms	5632 KB	Output is correct
38	Correct	31 ms	5864 KB	Output is correct
39	Correct	28 ms	6008 KB	Output is correct
40	Correct	40 ms	5940 KB	Output is correct
41	Correct	29 ms	5888 KB	Output is correct
42	Correct	12 ms	3072 KB	Output is correct
43	Correct	11 ms	2944 KB	Output is correct
44	Correct	12 ms	3072 KB	Output is correct
45	Correct	30 ms	8704 KB	Output is correct
46	Correct	30 ms	8704 KB	Output is correct
47	Correct	54 ms	13300 KB	Output is correct
48	Correct	23 ms	6396 KB	Output is correct
49	Correct	19 ms	5376 KB	Output is correct
50	Correct	18 ms	4992 KB	Output is correct
51	Correct	49 ms	8452 KB	Output is correct
52	Correct	47 ms	8824 KB	Output is correct
53	Correct	25 ms	6140 KB	Output is correct
54	Correct	10 ms	3072 KB	Output is correct
55	Correct	9 ms	3580 KB	Output is correct
56	Correct	22 ms	5376 KB	Output is correct
57	Correct	49 ms	11780 KB	Output is correct
58	Correct	15 ms	3960 KB	Output is correct
59	Correct	17 ms	4348 KB	Output is correct
60	Correct	17 ms	5116 KB	Output is correct
61	Correct	18 ms	4480 KB	Output is correct
62	Correct	73 ms	9588 KB	Output is correct
63	Correct	79 ms	25964 KB	Output is correct
64	Correct	84 ms	29144 KB	Output is correct
65	Correct	111 ms	38864 KB	Output is correct
66	Correct	190 ms	65760 KB	Output is correct
67	Correct	227 ms	65864 KB	Output is correct

Submission #243361

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