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Submission #84020

# Submission time Handle Problem Language Result Execution time Memory
84020 2018-11-12T12:01:47 Z luciocf Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 69 ms 19608 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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