답안 #84020 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
84020	2018-11-12T12:01:47 Z	luciocf	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	69 ms	19608 KB

skyscraper

#include <bits/stdc++.h>

using namespace std;

const int MAXN = 3e4+10;
const int INF = 1e9+10;

typedef pair<int, int> pii;

int pos[MAXN], dist[MAXN], n;
bool mark[MAXN];

vector<pii> grafo[MAXN];
set<int> S[MAXN];

void dijkstra(int u)
{
    for (int i = 0; i < n; i++)
        dist[i] = INF;

    dist[u] = 0;

    priority_queue<pii, vector<pii>, greater<pii> > fila;
    fila.push({0, u});

    while (!fila.empty())
    {
        int u = fila.top().second;
        fila.pop();

        if (mark[u]) continue;

        for (auto P: grafo[u])
        {
            int v = P.second, d = P.first;

            if (dist[v] > dist[u]+d)
            {
                dist[v] = dist[u]+d;
                fila.push({dist[v], v});
            }
        }
    }
}

int main(void)
{
    ios::sync_with_stdio(false); cin.tie(0);
    int m;
    cin >> n >> m;

    for (int i = 0; i < m; i++)
    {
        int x;
        cin >> pos[i] >> x;

        S[pos[i]].insert(x);
    }

    for (int i = 0; i < n; i++)
    {
        for (set<int>::iterator it = S[i].begin(); it != S[i].end(); it++)
        {
            int k = *it;

            for (int j = i+k; j < n; j+=k)
            {
                if (S[j].size() == 0) continue;

                int d = (j-i)/k;
                grafo[i].push_back({d, j});

                if (S[j].find(k) != S[j].end()) break;
            }

            for (int j = i-k; j >= 0; j-=k)
            {
                if (S[j].size() == 0) continue;

                int d = (i-j)/k;
                grafo[i].push_back({d, j});

                if (S[j].find(k) != S[j].end()) break;
            }
        }
    }

    dijkstra(pos[0]);

    if (dist[pos[1]] == INF) cout << "-1\n";
    else cout << dist[pos[1]] << "\n";
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	2552 KB	Output is correct
2	Correct	4 ms	2684 KB	Output is correct
3	Correct	4 ms	2892 KB	Output is correct
4	Correct	4 ms	2892 KB	Output is correct
5	Correct	4 ms	3020 KB	Output is correct
6	Correct	4 ms	3036 KB	Output is correct
7	Correct	4 ms	3036 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	3036 KB	Output is correct
2	Correct	4 ms	3036 KB	Output is correct
3	Correct	4 ms	3036 KB	Output is correct
4	Correct	4 ms	3036 KB	Output is correct
5	Correct	4 ms	3036 KB	Output is correct
6	Correct	4 ms	3036 KB	Output is correct
7	Correct	4 ms	3036 KB	Output is correct
8	Correct	4 ms	3052 KB	Output is correct
9	Correct	4 ms	3052 KB	Output is correct
10	Correct	4 ms	3156 KB	Output is correct
11	Correct	5 ms	3164 KB	Output is correct
12	Correct	4 ms	3164 KB	Output is correct
13	Correct	4 ms	3200 KB	Output is correct
14	Correct	4 ms	3228 KB	Output is correct
15	Correct	5 ms	3368 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	3368 KB	Output is correct
2	Correct	4 ms	3368 KB	Output is correct
3	Correct	4 ms	3368 KB	Output is correct
4	Correct	5 ms	3368 KB	Output is correct
5	Correct	4 ms	3368 KB	Output is correct
6	Correct	4 ms	3368 KB	Output is correct
7	Correct	4 ms	3368 KB	Output is correct
8	Correct	4 ms	3368 KB	Output is correct
9	Correct	4 ms	3368 KB	Output is correct
10	Correct	5 ms	3452 KB	Output is correct
11	Correct	5 ms	3472 KB	Output is correct
12	Correct	4 ms	3472 KB	Output is correct
13	Correct	4 ms	3472 KB	Output is correct
14	Correct	5 ms	3508 KB	Output is correct
15	Correct	5 ms	3544 KB	Output is correct
16	Correct	4 ms	3548 KB	Output is correct
17	Correct	6 ms	3776 KB	Output is correct
18	Correct	4 ms	3776 KB	Output is correct
19	Correct	4 ms	3776 KB	Output is correct
20	Correct	5 ms	3776 KB	Output is correct
21	Correct	4 ms	3776 KB	Output is correct
22	Correct	4 ms	3776 KB	Output is correct
23	Correct	5 ms	3776 KB	Output is correct
24	Correct	5 ms	3776 KB	Output is correct
25	Correct	5 ms	3788 KB	Output is correct
26	Correct	4 ms	3788 KB	Output is correct
27	Correct	4 ms	3824 KB	Output is correct
28	Correct	5 ms	3972 KB	Output is correct
29	Correct	4 ms	3972 KB	Output is correct
30	Correct	4 ms	3972 KB	Output is correct
31	Correct	4 ms	3972 KB	Output is correct
32	Correct	4 ms	3972 KB	Output is correct
33	Correct	5 ms	3972 KB	Output is correct
34	Correct	5 ms	3972 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	3972 KB	Output is correct
2	Correct	4 ms	3972 KB	Output is correct
3	Correct	5 ms	3972 KB	Output is correct
4	Correct	4 ms	3972 KB	Output is correct
5	Correct	4 ms	3972 KB	Output is correct
6	Correct	4 ms	3972 KB	Output is correct
7	Correct	4 ms	3972 KB	Output is correct
8	Correct	4 ms	3972 KB	Output is correct
9	Correct	4 ms	3972 KB	Output is correct
10	Correct	4 ms	3972 KB	Output is correct
11	Correct	5 ms	3972 KB	Output is correct
12	Correct	5 ms	3972 KB	Output is correct
13	Correct	5 ms	3972 KB	Output is correct
14	Correct	4 ms	3972 KB	Output is correct
15	Correct	5 ms	3972 KB	Output is correct
16	Correct	4 ms	4008 KB	Output is correct
17	Correct	5 ms	4176 KB	Output is correct
18	Correct	4 ms	4176 KB	Output is correct
19	Correct	4 ms	4176 KB	Output is correct
20	Correct	5 ms	4176 KB	Output is correct
21	Correct	4 ms	4176 KB	Output is correct
22	Correct	4 ms	4176 KB	Output is correct
23	Correct	4 ms	4176 KB	Output is correct
24	Correct	5 ms	4176 KB	Output is correct
25	Correct	5 ms	4280 KB	Output is correct
26	Correct	4 ms	4280 KB	Output is correct
27	Correct	4 ms	4280 KB	Output is correct
28	Correct	5 ms	4336 KB	Output is correct
29	Correct	4 ms	4336 KB	Output is correct
30	Correct	4 ms	4336 KB	Output is correct
31	Correct	4 ms	4336 KB	Output is correct
32	Correct	4 ms	4336 KB	Output is correct
33	Correct	5 ms	4336 KB	Output is correct
34	Correct	5 ms	4336 KB	Output is correct
35	Correct	36 ms	6576 KB	Output is correct
36	Correct	7 ms	6576 KB	Output is correct
37	Correct	28 ms	7604 KB	Output is correct
38	Correct	34 ms	8020 KB	Output is correct
39	Correct	33 ms	8284 KB	Output is correct
40	Correct	33 ms	8548 KB	Output is correct
41	Correct	33 ms	8812 KB	Output is correct
42	Correct	9 ms	8812 KB	Output is correct
43	Correct	9 ms	8812 KB	Output is correct
44	Correct	9 ms	8812 KB	Output is correct
45	Correct	23 ms	8812 KB	Output is correct
46	Correct	23 ms	8812 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	8812 KB	Output is correct
2	Correct	4 ms	8812 KB	Output is correct
3	Correct	4 ms	8812 KB	Output is correct
4	Correct	4 ms	8812 KB	Output is correct
5	Correct	4 ms	8812 KB	Output is correct
6	Correct	4 ms	8812 KB	Output is correct
7	Correct	4 ms	8812 KB	Output is correct
8	Correct	4 ms	8812 KB	Output is correct
9	Correct	4 ms	8812 KB	Output is correct
10	Correct	4 ms	8812 KB	Output is correct
11	Correct	5 ms	8812 KB	Output is correct
12	Correct	4 ms	8812 KB	Output is correct
13	Correct	4 ms	8812 KB	Output is correct
14	Correct	5 ms	8812 KB	Output is correct
15	Correct	5 ms	8812 KB	Output is correct
16	Correct	4 ms	8812 KB	Output is correct
17	Correct	6 ms	8812 KB	Output is correct
18	Correct	4 ms	8812 KB	Output is correct
19	Correct	4 ms	8812 KB	Output is correct
20	Correct	5 ms	8812 KB	Output is correct
21	Correct	4 ms	8812 KB	Output is correct
22	Correct	4 ms	8812 KB	Output is correct
23	Correct	6 ms	8812 KB	Output is correct
24	Correct	6 ms	8812 KB	Output is correct
25	Correct	5 ms	8812 KB	Output is correct
26	Correct	5 ms	8812 KB	Output is correct
27	Correct	4 ms	8812 KB	Output is correct
28	Correct	9 ms	8812 KB	Output is correct
29	Correct	4 ms	8812 KB	Output is correct
30	Correct	4 ms	8812 KB	Output is correct
31	Correct	5 ms	8812 KB	Output is correct
32	Correct	6 ms	8812 KB	Output is correct
33	Correct	7 ms	8812 KB	Output is correct
34	Correct	5 ms	8812 KB	Output is correct
35	Correct	27 ms	9460 KB	Output is correct
36	Correct	7 ms	9460 KB	Output is correct
37	Correct	34 ms	10604 KB	Output is correct
38	Correct	34 ms	11004 KB	Output is correct
39	Correct	35 ms	11292 KB	Output is correct
40	Correct	39 ms	11448 KB	Output is correct
41	Correct	39 ms	11712 KB	Output is correct
42	Correct	9 ms	11712 KB	Output is correct
43	Correct	11 ms	11712 KB	Output is correct
44	Correct	10 ms	11712 KB	Output is correct
45	Correct	23 ms	11712 KB	Output is correct
46	Correct	24 ms	11712 KB	Output is correct
47	Correct	65 ms	18840 KB	Output is correct
48	Correct	22 ms	18840 KB	Output is correct
49	Correct	17 ms	18840 KB	Output is correct
50	Correct	14 ms	18840 KB	Output is correct
51	Correct	69 ms	18840 KB	Output is correct
52	Correct	50 ms	18840 KB	Output is correct
53	Correct	23 ms	18840 KB	Output is correct
54	Correct	4 ms	18840 KB	Output is correct
55	Correct	4 ms	18840 KB	Output is correct
56	Correct	25 ms	18840 KB	Output is correct
57	Correct	13 ms	18840 KB	Output is correct
58	Correct	9 ms	18840 KB	Output is correct
59	Correct	10 ms	18840 KB	Output is correct
60	Correct	10 ms	18840 KB	Output is correct
61	Correct	11 ms	18840 KB	Output is correct
62	Correct	33 ms	19608 KB	Output is correct
63	Correct	30 ms	19608 KB	Output is correct
64	Correct	28 ms	19608 KB	Output is correct
65	Correct	38 ms	19608 KB	Output is correct
66	Correct	48 ms	19608 KB	Output is correct
67	Correct	43 ms	19608 KB	Output is correct

답안 #84020

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