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Submission #236685

# Submission time Handle Problem Language Result Execution time Memory
236685 2020-06-02T20:00:51 Z DS007 Jakarta Skyscrapers (APIO15_skyscraper) C++14
36 / 100
 261 ms 262148 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long

const int N = 30000;
vector<pair<int, int>> adj[N];
int b[N], p[N];
set<int> inv[N];
int n, m;

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

    for (int i = 0; i < m; i++) {
        for (int j = b[i] - p[i], k = 1; j >= 0; j -= p[i], k++) {
            adj[b[i]].emplace_back(j, k);
            if (inv[j].count(p[i]))
                break;
        }
        for (int j = b[i] + p[i], k = 1; j < n; j += p[i], k++) {
            adj[b[i]].emplace_back(j, k);
            if (inv[j].count(p[i]))
                break;
        }
    }

    /*for (int i = 0; i < n; i++) {
        for (int j : inv[i]) {
            for (int k = i - j, l = 1; k >= 0; k -= j, l++) {
                adj[i].emplace_back(k, l);
                if (inv[k].count(j))
                    break;
            }
            for (int k = i + j, l = 1; k < n; k += j, l++) {
                adj[i].emplace_back(k, l);
                if (inv[k].count(j))
                    break;
            }
        }
    }*/

    int dist[n];
    fill(dist, dist + n, 1e18);
    dist[b[0]] = 0;
    priority_queue<pair<int, int>, vector<pair<int, int>>, decltype(greater<>())> pq;
    pq.push({0, b[0]});
    set<int> done;

    while (!pq.empty()) {
        auto temp = pq.top();
        pq.pop();

        if (done.count(temp.second))
            continue;
        done.insert(temp.second);
        assert(temp.first == dist[temp.second] && temp.first != 1e18);

        for (auto i : adj[temp.second]) {
            if (dist[i.first] > temp.first + i.second) {
                dist[i.first] = temp.first + i.second;
                pq.push({dist[i.first], i.first});
            }
        }
    }

    cout << (dist[b[1]] == 1e18 ? -1 : dist[b[1]]);
}

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

    int test = 1;
    // cin >> test;
    while (test--)
        solveTestCase();
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2432 KB Output is correct
2 Correct 5 ms 2432 KB Output is correct
3 Correct 5 ms 2432 KB Output is correct
4 Correct 6 ms 2560 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 5 ms 2432 KB Output is correct
2 Correct 5 ms 2432 KB Output is correct
3 Correct 6 ms 2432 KB Output is correct
4 Correct 5 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 11 ms 6776 KB Output is correct
13 Correct 6 ms 2560 KB Output is correct
14 Correct 6 ms 2688 KB Output is correct
15 Correct 6 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 5 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 5 ms 2432 KB Output is correct
8 Correct 6 ms 2432 KB Output is correct
9 Correct 6 ms 2560 KB Output is correct
10 Correct 6 ms 2560 KB Output is correct
11 Correct 8 ms 2688 KB Output is correct
12 Correct 11 ms 6776 KB Output is correct
13 Correct 6 ms 2560 KB Output is correct
14 Correct 6 ms 2688 KB Output is correct
15 Correct 6 ms 2688 KB Output is correct
16 Correct 6 ms 2560 KB Output is correct
17 Correct 7 ms 2944 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 2816 KB Output is correct
21 Correct 6 ms 2592 KB Output is correct
22 Correct 7 ms 2560 KB Output is correct
23 Correct 7 ms 2688 KB Output is correct
24 Correct 8 ms 2944 KB Output is correct
25 Correct 8 ms 2944 KB Output is correct
26 Correct 93 ms 68460 KB Output is correct
27 Correct 89 ms 68376 KB Output is correct
28 Correct 7 ms 3200 KB Output is correct
29 Correct 10 ms 4288 KB Output is correct
30 Correct 7 ms 3072 KB Output is correct
31 Correct 8 ms 3456 KB Output is correct
32 Correct 8 ms 3200 KB Output is correct
33 Correct 12 ms 5504 KB Output is correct
34 Correct 12 ms 5504 KB Output is correct

Subtask #4
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 5 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 6 ms 2688 KB Output is correct
12 Correct 11 ms 6776 KB Output is correct
13 Correct 6 ms 2560 KB Output is correct
14 Correct 7 ms 2688 KB Output is correct
15 Correct 6 ms 2688 KB Output is correct
16 Correct 6 ms 2560 KB Output is correct
17 Correct 7 ms 2944 KB Output is correct
18 Correct 6 ms 2688 KB Output is correct
19 Correct 6 ms 2688 KB Output is correct
20 Correct 7 ms 2816 KB Output is correct
21 Correct 6 ms 2560 KB Output is correct
22 Correct 6 ms 2688 KB Output is correct
23 Correct 7 ms 2816 KB Output is correct
24 Correct 8 ms 2944 KB Output is correct
25 Correct 8 ms 2944 KB Output is correct
26 Correct 95 ms 68504 KB Output is correct
27 Correct 90 ms 68376 KB Output is correct
28 Correct 7 ms 3200 KB Output is correct
29 Correct 10 ms 4224 KB Output is correct
30 Correct 8 ms 3200 KB Output is correct
31 Correct 8 ms 3456 KB Output is correct
32 Correct 8 ms 3200 KB Output is correct
33 Correct 12 ms 5504 KB Output is correct
34 Correct 12 ms 5504 KB Output is correct
35 Correct 23 ms 6400 KB Output is correct
36 Correct 9 ms 3200 KB Output is correct
37 Correct 27 ms 8184 KB Output is correct
38 Correct 31 ms 8320 KB Output is correct
39 Correct 30 ms 8320 KB Output is correct
40 Correct 30 ms 8312 KB Output is correct
41 Correct 30 ms 8320 KB Output is correct
42 Runtime error 261 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
43 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# 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 5 ms 2432 KB Output is correct
4 Correct 5 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 6 ms 2688 KB Output is correct
12 Correct 11 ms 6776 KB Output is correct
13 Correct 6 ms 2560 KB Output is correct
14 Correct 6 ms 2688 KB Output is correct
15 Correct 6 ms 2688 KB Output is correct
16 Correct 6 ms 2560 KB Output is correct
17 Correct 8 ms 2944 KB Output is correct
18 Correct 6 ms 2688 KB Output is correct
19 Correct 6 ms 2560 KB Output is correct
20 Correct 6 ms 2816 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 2816 KB Output is correct
24 Correct 8 ms 2944 KB Output is correct
25 Correct 8 ms 2944 KB Output is correct
26 Correct 93 ms 68536 KB Output is correct
27 Correct 91 ms 68376 KB Output is correct
28 Correct 8 ms 3200 KB Output is correct
29 Correct 10 ms 4224 KB Output is correct
30 Correct 7 ms 3072 KB Output is correct
31 Correct 8 ms 3456 KB Output is correct
32 Correct 7 ms 3200 KB Output is correct
33 Correct 12 ms 5504 KB Output is correct
34 Correct 12 ms 5504 KB Output is correct
35 Correct 23 ms 6400 KB Output is correct
36 Correct 9 ms 3200 KB Output is correct
37 Correct 26 ms 8184 KB Output is correct
38 Correct 30 ms 8312 KB Output is correct
39 Correct 30 ms 8312 KB Output is correct
40 Correct 31 ms 8312 KB Output is correct
41 Correct 30 ms 8320 KB Output is correct
42 Runtime error 260 ms 262144 KB Execution killed with signal 9 (could be triggered by violating memory limits)
43 Halted 0 ms 0 KB -