oj.uz

Submission #449621

# Submission time Handle Problem Language Result Execution time Memory
449621 2021-08-02T07:30:18 Z zxcvbnm Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 198 ms 81896 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
const int nax = 30005;
const int INF = 1e9 + 5;
vector<pii> adj[nax];
vector<int> dist(nax, INF);
set<int> used[nax];
set<int> all[nax];

struct Edge {
    int to, w;
    bool operator<(const Edge& other) const {
        return w > other.w;
    }
};
priority_queue<Edge> q;
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, m;
    cin >> n >> m;
    vector<pii> a(m);
    for(auto& i : a) {
        cin >> i.first >> i.second;
    }


    for(auto i : a) {
        all[i.first].insert(i.second);
    }

    for(auto i : a) {
        if (used[i.first].count(i.second)) continue;
        used[i.first].insert(i.second);

        int idx = i.first + i.second;
        for(int cost = 1;;cost++) {
            if (idx >= n) break;
            adj[i.first].push_back({idx, cost});
            if (all[idx].count(i.second)) break;
//            cout << i.first << "->" << idx << " " << cost << "\n";
            idx += i.second;
        }

        idx = i.first - i.second;
        for(int cost = 1;;cost++) {
            if (idx < 0) break;
            adj[i.first].push_back({idx, cost});
            if (all[idx].count(i.second)) break;
//            cout << i.first << "->" << idx << " " << cost << "\n";
            idx -= i.second;
        }
    }

    q.push({a[0].first, 0});
    dist[a[0].first] = 0;

    while(!q.empty()) {
        Edge v = q.top();

        q.pop();

        if (dist[v.to] < v.w) continue;

        for(pii u : adj[v.to]) {
            if (dist[u.first] > u.second + v.w) {
                dist[u.first] = u.second + v.w;
                q.push({u.first, dist[u.first]});
            }
        }
    }

    cout << (dist[a[1].first] == INF ? -1 : dist[a[1].first]) << "\n";
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3916 KB Output is correct
2 Correct 2 ms 3916 KB Output is correct
3 Correct 2 ms 3916 KB Output is correct
4 Correct 2 ms 3916 KB Output is correct
5 Correct 3 ms 3916 KB Output is correct
6 Correct 2 ms 3916 KB Output is correct
7 Correct 2 ms 3916 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3916 KB Output is correct
2 Correct 3 ms 3916 KB Output is correct
3 Correct 2 ms 3916 KB Output is correct
4 Correct 3 ms 3916 KB Output is correct
5 Correct 3 ms 3916 KB Output is correct
6 Correct 2 ms 3916 KB Output is correct
7 Correct 2 ms 3916 KB Output is correct
8 Correct 3 ms 3916 KB Output is correct
9 Correct 2 ms 3916 KB Output is correct
10 Correct 3 ms 3916 KB Output is correct
11 Correct 4 ms 4172 KB Output is correct
12 Correct 3 ms 3916 KB Output is correct
13 Correct 3 ms 3916 KB Output is correct
14 Correct 5 ms 4172 KB Output is correct
15 Correct 4 ms 4172 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3916 KB Output is correct
2 Correct 2 ms 3916 KB Output is correct
3 Correct 2 ms 3916 KB Output is correct
4 Correct 2 ms 3916 KB Output is correct
5 Correct 2 ms 3916 KB Output is correct
6 Correct 3 ms 3916 KB Output is correct
7 Correct 3 ms 3916 KB Output is correct
8 Correct 3 ms 3916 KB Output is correct
9 Correct 2 ms 3916 KB Output is correct
10 Correct 4 ms 3916 KB Output is correct
11 Correct 5 ms 4172 KB Output is correct
12 Correct 3 ms 3916 KB Output is correct
13 Correct 3 ms 3916 KB Output is correct
14 Correct 4 ms 4172 KB Output is correct
15 Correct 4 ms 4172 KB Output is correct
16 Correct 3 ms 4060 KB Output is correct
17 Correct 4 ms 4300 KB Output is correct
18 Correct 3 ms 4044 KB Output is correct
19 Correct 3 ms 4044 KB Output is correct
20 Correct 5 ms 4172 KB Output is correct
21 Correct 3 ms 4044 KB Output is correct
22 Correct 3 ms 4044 KB Output is correct
23 Correct 3 ms 4044 KB Output is correct
24 Correct 4 ms 4300 KB Output is correct
25 Correct 5 ms 4300 KB Output is correct
26 Correct 3 ms 4044 KB Output is correct
27 Correct 3 ms 4044 KB Output is correct
28 Correct 4 ms 4300 KB Output is correct
29 Correct 5 ms 4812 KB Output is correct
30 Correct 4 ms 4300 KB Output is correct
31 Correct 4 ms 4428 KB Output is correct
32 Correct 4 ms 4300 KB Output is correct
33 Correct 7 ms 5552 KB Output is correct
34 Correct 8 ms 5580 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3916 KB Output is correct
2 Correct 2 ms 3916 KB Output is correct
3 Correct 2 ms 3912 KB Output is correct
4 Correct 2 ms 3916 KB Output is correct
5 Correct 3 ms 3916 KB Output is correct
6 Correct 3 ms 3916 KB Output is correct
7 Correct 3 ms 3916 KB Output is correct
8 Correct 3 ms 3916 KB Output is correct
9 Correct 3 ms 3916 KB Output is correct
10 Correct 3 ms 3916 KB Output is correct
11 Correct 5 ms 4172 KB Output is correct
12 Correct 3 ms 3916 KB Output is correct
13 Correct 3 ms 3916 KB Output is correct
14 Correct 4 ms 4172 KB Output is correct
15 Correct 4 ms 4172 KB Output is correct
16 Correct 3 ms 4044 KB Output is correct
17 Correct 4 ms 4300 KB Output is correct
18 Correct 3 ms 4044 KB Output is correct
19 Correct 3 ms 4044 KB Output is correct
20 Correct 4 ms 4172 KB Output is correct
21 Correct 3 ms 4096 KB Output is correct
22 Correct 3 ms 4044 KB Output is correct
23 Correct 3 ms 4044 KB Output is correct
24 Correct 4 ms 4300 KB Output is correct
25 Correct 4 ms 4300 KB Output is correct
26 Correct 3 ms 4044 KB Output is correct
27 Correct 3 ms 4044 KB Output is correct
28 Correct 4 ms 4300 KB Output is correct
29 Correct 5 ms 4812 KB Output is correct
30 Correct 3 ms 4300 KB Output is correct
31 Correct 4 ms 4428 KB Output is correct
32 Correct 4 ms 4300 KB Output is correct
33 Correct 7 ms 5580 KB Output is correct
34 Correct 7 ms 5592 KB Output is correct
35 Correct 33 ms 7492 KB Output is correct
36 Correct 6 ms 4556 KB Output is correct
37 Correct 34 ms 8012 KB Output is correct
38 Correct 34 ms 8756 KB Output is correct
39 Correct 47 ms 8768 KB Output is correct
40 Correct 45 ms 8784 KB Output is correct
41 Correct 46 ms 8772 KB Output is correct
42 Correct 9 ms 4336 KB Output is correct
43 Correct 9 ms 4300 KB Output is correct
44 Correct 8 ms 4428 KB Output is correct
45 Correct 38 ms 11544 KB Output is correct
46 Correct 40 ms 11488 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3916 KB Output is correct
2 Correct 2 ms 3916 KB Output is correct
3 Correct 2 ms 3916 KB Output is correct
4 Correct 2 ms 3916 KB Output is correct
5 Correct 2 ms 3916 KB Output is correct
6 Correct 3 ms 3916 KB Output is correct
7 Correct 3 ms 3916 KB Output is correct
8 Correct 3 ms 3916 KB Output is correct
9 Correct 2 ms 3916 KB Output is correct
10 Correct 3 ms 3916 KB Output is correct
11 Correct 4 ms 4172 KB Output is correct
12 Correct 3 ms 3912 KB Output is correct
13 Correct 3 ms 3916 KB Output is correct
14 Correct 4 ms 4172 KB Output is correct
15 Correct 5 ms 4172 KB Output is correct
16 Correct 3 ms 4044 KB Output is correct
17 Correct 5 ms 4256 KB Output is correct
18 Correct 3 ms 4044 KB Output is correct
19 Correct 3 ms 4044 KB Output is correct
20 Correct 4 ms 4172 KB Output is correct
21 Correct 3 ms 4044 KB Output is correct
22 Correct 3 ms 4044 KB Output is correct
23 Correct 3 ms 4044 KB Output is correct
24 Correct 5 ms 4300 KB Output is correct
25 Correct 4 ms 4300 KB Output is correct
26 Correct 3 ms 4044 KB Output is correct
27 Correct 3 ms 4044 KB Output is correct
28 Correct 4 ms 4300 KB Output is correct
29 Correct 5 ms 4892 KB Output is correct
30 Correct 4 ms 4300 KB Output is correct
31 Correct 4 ms 4428 KB Output is correct
32 Correct 4 ms 4300 KB Output is correct
33 Correct 7 ms 5580 KB Output is correct
34 Correct 8 ms 5632 KB Output is correct
35 Correct 29 ms 7508 KB Output is correct
36 Correct 6 ms 4556 KB Output is correct
37 Correct 25 ms 7976 KB Output is correct
38 Correct 35 ms 8780 KB Output is correct
39 Correct 33 ms 8716 KB Output is correct
40 Correct 34 ms 8664 KB Output is correct
41 Correct 34 ms 8772 KB Output is correct
42 Correct 8 ms 4300 KB Output is correct
43 Correct 8 ms 4300 KB Output is correct
44 Correct 10 ms 4328 KB Output is correct
45 Correct 44 ms 11552 KB Output is correct
46 Correct 36 ms 11476 KB Output is correct
47 Correct 74 ms 15552 KB Output is correct
48 Correct 25 ms 8520 KB Output is correct
49 Correct 29 ms 7504 KB Output is correct
50 Correct 16 ms 6884 KB Output is correct
51 Correct 52 ms 10836 KB Output is correct
52 Correct 52 ms 11252 KB Output is correct
53 Correct 30 ms 8692 KB Output is correct
54 Correct 5 ms 4448 KB Output is correct
55 Correct 6 ms 4872 KB Output is correct
56 Correct 28 ms 8140 KB Output is correct
57 Correct 36 ms 12984 KB Output is correct
58 Correct 13 ms 5512 KB Output is correct
59 Correct 13 ms 5760 KB Output is correct
60 Correct 14 ms 6324 KB Output is correct
61 Correct 14 ms 5924 KB Output is correct
62 Correct 38 ms 12260 KB Output is correct
63 Correct 94 ms 31908 KB Output is correct
64 Correct 118 ms 40636 KB Output is correct
65 Correct 132 ms 53156 KB Output is correct
66 Correct 198 ms 81896 KB Output is correct
67 Correct 197 ms 81104 KB Output is correct