Submission #956220

# Submission time Handle Problem Language Result Execution time Memory
956220 2024-04-01T10:45:47 Z Nelt Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
1000 ms 90252 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]);
    map<ll, ll> dist[n];
    dist[b[0]][p[0]] = 0;
    queue<pair<ll, ll>> q;
    q.push(make_pair(b[0], p[0]));
    while (!q.empty())
    {
        auto [i, j] = q.front();
        q.pop();
        if (i == b[1])
        {
            cout << dist[i][j] << endl;
            return;
        }
        if (i - j >= 0 and !dist[i - j].count(j))
            dist[i - j][j] = dist[i][j] + 1, q.push(make_pair(i - j, j));
        if (i + j < n and !dist[i + j].count(j))
            dist[i + j][j] = dist[i][j] + 1, q.push(make_pair(i + j, j));
        for (ll k : eq[i])
        {
            if (i - k >= 0 and !dist[i - k].count(k))
                dist[i - k][k] = dist[i][j] + 1, q.push(make_pair(i - k, k));
            if (i + k < n and !dist[i + k].count(k))
                dist[i + k][k] = dist[i][j] + 1, q.push(make_pair(i + k, k));
        }
        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";
}
# 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 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 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 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
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 0 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 3 ms 860 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
# 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 344 KB Output is correct
4 Correct 0 ms 344 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 1 ms 348 KB Output is correct
9 Correct 1 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 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 3 ms 860 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 604 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 1 ms 604 KB Output is correct
23 Correct 1 ms 860 KB Output is correct
24 Correct 2 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 1884 KB Output is correct
29 Correct 12 ms 4188 KB Output is correct
30 Correct 3 ms 1628 KB Output is correct
31 Correct 6 ms 2652 KB Output is correct
32 Correct 4 ms 1880 KB Output is correct
33 Correct 36 ms 7964 KB Output is correct
34 Correct 18 ms 4440 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 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 1 ms 600 KB Output is correct
14 Correct 3 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 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 604 KB Output is correct
23 Correct 1 ms 720 KB Output is correct
24 Correct 2 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 5 ms 1708 KB Output is correct
29 Correct 12 ms 4368 KB Output is correct
30 Correct 3 ms 1624 KB Output is correct
31 Correct 6 ms 2652 KB Output is correct
32 Correct 4 ms 1872 KB Output is correct
33 Correct 32 ms 8020 KB Output is correct
34 Correct 20 ms 4444 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 1372 KB Output is correct
38 Correct 5 ms 1884 KB Output is correct
39 Correct 4 ms 1628 KB Output is correct
40 Correct 5 ms 1628 KB Output is correct
41 Correct 5 ms 1628 KB Output is correct
42 Correct 4 ms 1500 KB Output is correct
43 Correct 4 ms 1756 KB Output is correct
44 Correct 4 ms 1536 KB Output is correct
45 Correct 496 ms 31732 KB Output is correct
46 Correct 308 ms 17024 KB Output is correct
# 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 0 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 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 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 4 ms 860 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 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 0 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 604 KB Output is correct
23 Correct 1 ms 720 KB Output is correct
24 Correct 2 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 1868 KB Output is correct
29 Correct 12 ms 4188 KB Output is correct
30 Correct 3 ms 1628 KB Output is correct
31 Correct 7 ms 2672 KB Output is correct
32 Correct 4 ms 1880 KB Output is correct
33 Correct 32 ms 8088 KB Output is correct
34 Correct 16 ms 4444 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 1228 KB Output is correct
38 Correct 5 ms 1884 KB Output is correct
39 Correct 5 ms 1560 KB Output is correct
40 Correct 5 ms 1624 KB Output is correct
41 Correct 5 ms 1624 KB Output is correct
42 Correct 4 ms 1752 KB Output is correct
43 Correct 4 ms 1756 KB Output is correct
44 Correct 4 ms 1540 KB Output is correct
45 Correct 486 ms 31736 KB Output is correct
46 Correct 291 ms 17552 KB Output is correct
47 Correct 6 ms 2396 KB Output is correct
48 Correct 5 ms 3164 KB Output is correct
49 Correct 5 ms 3164 KB Output is correct
50 Correct 4 ms 3160 KB Output is correct
51 Correct 12 ms 6236 KB Output is correct
52 Correct 14 ms 7004 KB Output is correct
53 Correct 7 ms 4188 KB Output is correct
54 Correct 2 ms 3420 KB Output is correct
55 Correct 4 ms 3932 KB Output is correct
56 Correct 9 ms 5980 KB Output is correct
57 Correct 2 ms 2652 KB Output is correct
58 Correct 12 ms 7392 KB Output is correct
59 Correct 10 ms 7136 KB Output is correct
60 Correct 10 ms 6880 KB Output is correct
61 Correct 10 ms 6620 KB Output is correct
62 Correct 176 ms 31292 KB Output is correct
63 Execution timed out 1026 ms 90252 KB Time limit exceeded
64 Halted 0 ms 0 KB -