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Submission #956389

# Submission time Handle Problem Language Result Execution time Memory
956389 2024-04-01T18:18:49 Z Nelt Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 86948 KB 
#include <bits/stdc++.h>
#define ll long long
#define endl "\n"
using namespace std;
 
void solve()
{
    ll n, m;
    cin >> n >> m;
    ll b[m], p[m];
    vector<ll> eq[n];
    for (ll i = 0; i < m; i++)
        cin >> b[i] >> p[i], eq[b[i]].push_back(p[i]);
    for (ll i = 0; i < n; i++)
        sort(eq[i].begin(), eq[i].end(), greater());
    map<ll, ll> dist[n];
    dist[b[0]][p[0]] = 0;
    priority_queue<pair<ll, pair<ll, ll>>> q;
    q.push(make_pair(0, make_pair(p[0], b[0])));
    while (!q.empty())
    {
        auto [dst, x] = q.top(); 
        auto [j, i] = x;
        dst = -dst;
        q.pop();
        if (dst > dist[i][j])   continue;
        if (i == b[1])
        {
            cout << dst << endl;
            return;
        }
        if (i - j >= 0 and !dist[i - j].count(j) and dist[i - j].size() <= 3000)
            dist[i - j][j] = dst + 1, q.push(make_pair(-(dst + 1), make_pair(j, i - j)));
        if (i + j < n and !dist[i + j].count(j) and dist[i + j].size() <= 3000)
            dist[i + j][j] = dst + 1, q.push(make_pair(-(dst + 1), make_pair(j, i + j)));
        for (ll k : eq[i])
        {
            if (i - k >= 0 and !dist[i - k].count(k) and dist[i - k].size() <= 3000)
                dist[i - k][k] = dst + 1, q.push(make_pair(-(dst + 1), make_pair(k, i - k)));
            if (i + k < n and !dist[i + k].count(k) and dist[i + k].size() <= 3000)
                dist[i + k][k] = dst + 1, q.push(make_pair(-(dst + 1), make_pair(k, i + k)));
        }
        eq[i].clear();
        if (!dist[b[1]].empty())
        {
            ll ans = 1e18;
            for (auto j : dist[b[1]])
                ans = min(ans, j.second);
            cout << ans << endl;
            return;
        }
    }
    cout << "-1\n";
}
 
signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ll t = 1;
    // precomp();
    // cin >> t;
    for (ll i = 1; i <= t; i++)
        solve();
    cerr << "\nTime elapsed: " << clock() * 1000.0 / CLOCKS_PER_SEC << " ms\n";
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 376 KB Output is correct
5 Correct 0 ms 424 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 2 ms 860 KB Output is correct
15 Correct 1 ms 348 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 2 ms 860 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 600 KB Output is correct
18 Correct 1 ms 600 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 604 KB Output is correct
23 Correct 1 ms 860 KB Output is correct
24 Correct 3 ms 860 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 604 KB Output is correct
27 Correct 1 ms 860 KB Output is correct
28 Correct 4 ms 1624 KB Output is correct
29 Correct 16 ms 4252 KB Output is correct
30 Correct 4 ms 1624 KB Output is correct
31 Correct 9 ms 2652 KB Output is correct
32 Correct 6 ms 1984 KB Output is correct
33 Correct 31 ms 8020 KB Output is correct
34 Correct 16 ms 4440 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 500 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 2 ms 860 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 856 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 860 KB Output is correct
24 Correct 3 ms 940 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 604 KB Output is correct
27 Correct 1 ms 860 KB Output is correct
28 Correct 3 ms 1624 KB Output is correct
29 Correct 16 ms 4444 KB Output is correct
30 Correct 4 ms 1628 KB Output is correct
31 Correct 10 ms 2648 KB Output is correct
32 Correct 6 ms 1884 KB Output is correct
33 Correct 43 ms 8096 KB Output is correct
34 Correct 16 ms 4448 KB Output is correct
35 Correct 8 ms 2140 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 3 ms 1116 KB Output is correct
38 Correct 6 ms 1628 KB Output is correct
39 Correct 5 ms 1408 KB Output is correct
40 Correct 5 ms 1368 KB Output is correct
41 Correct 6 ms 1372 KB Output is correct
42 Correct 5 ms 1496 KB Output is correct
43 Correct 5 ms 1500 KB Output is correct
44 Correct 4 ms 1284 KB Output is correct
45 Correct 234 ms 32684 KB Output is correct
46 Correct 103 ms 17668 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 2 ms 868 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 856 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 1 ms 600 KB Output is correct
26 Correct 1 ms 604 KB Output is correct
27 Correct 1 ms 860 KB Output is correct
28 Correct 4 ms 1628 KB Output is correct
29 Correct 16 ms 4444 KB Output is correct
30 Correct 4 ms 1628 KB Output is correct
31 Correct 8 ms 2652 KB Output is correct
32 Correct 6 ms 1884 KB Output is correct
33 Correct 42 ms 8212 KB Output is correct
34 Correct 16 ms 4440 KB Output is correct
35 Correct 6 ms 2140 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 3 ms 1116 KB Output is correct
38 Correct 5 ms 1624 KB Output is correct
39 Correct 6 ms 1372 KB Output is correct
40 Correct 5 ms 1372 KB Output is correct
41 Correct 5 ms 1372 KB Output is correct
42 Correct 4 ms 1264 KB Output is correct
43 Correct 4 ms 1496 KB Output is correct
44 Correct 4 ms 1284 KB Output is correct
45 Correct 234 ms 32720 KB Output is correct
46 Correct 104 ms 17672 KB Output is correct
47 Correct 7 ms 2648 KB Output is correct
48 Correct 6 ms 2904 KB Output is correct
49 Correct 6 ms 2904 KB Output is correct
50 Correct 5 ms 2908 KB Output is correct
51 Correct 19 ms 6236 KB Output is correct
52 Correct 19 ms 6552 KB Output is correct
53 Correct 8 ms 3928 KB Output is correct
54 Correct 3 ms 3416 KB Output is correct
55 Correct 4 ms 3932 KB Output is correct
56 Correct 8 ms 5724 KB Output is correct
57 Correct 2 ms 2652 KB Output is correct
58 Correct 11 ms 7308 KB Output is correct
59 Correct 11 ms 6880 KB Output is correct
60 Correct 10 ms 6880 KB Output is correct
61 Correct 11 ms 6364 KB Output is correct
62 Correct 167 ms 31172 KB Output is correct
63 Execution timed out 1029 ms 86948 KB Time limit exceeded
64 Halted 0 ms 0 KB -