Submission #956229

# Submission time Handle Problem Language Result Execution time Memory
956229 2024-04-01T11:02:56 Z Nelt Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
1000 ms 99980 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());
    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) and dist[i - j].size() <= 5000)
            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) and dist[i + j].size() <= 5000)
            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) and dist[i - k].size() <= 5000)
                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) and dist[i + k].size() <= 5000)
                dist[i + k][k] = dist[i][j] + 1, q.push(make_pair(i + k, 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";
}
# 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 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 1 ms 348 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 1 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 1 ms 860 KB Output is correct
15 Correct 1 ms 600 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 1 ms 344 KB Output is correct
6 Correct 1 ms 344 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 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 1 ms 756 KB Output is correct
15 Correct 1 ms 604 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 600 KB Output is correct
19 Correct 1 ms 756 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 532 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 2 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 12 ms 4292 KB Output is correct
30 Correct 3 ms 1628 KB Output is correct
31 Correct 5 ms 2668 KB Output is correct
32 Correct 5 ms 1884 KB Output is correct
33 Correct 28 ms 8020 KB Output is correct
34 Correct 12 ms 4700 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 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 1 ms 504 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 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 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 860 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 0 ms 600 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 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 2 ms 860 KB Output is correct
28 Correct 3 ms 1628 KB Output is correct
29 Correct 11 ms 4368 KB Output is correct
30 Correct 3 ms 1628 KB Output is correct
31 Correct 5 ms 2652 KB Output is correct
32 Correct 4 ms 1880 KB Output is correct
33 Correct 27 ms 8028 KB Output is correct
34 Correct 12 ms 4444 KB Output is correct
35 Correct 5 ms 1624 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 3 ms 1256 KB Output is correct
38 Correct 5 ms 1372 KB Output is correct
39 Correct 7 ms 1372 KB Output is correct
40 Correct 7 ms 1372 KB Output is correct
41 Correct 5 ms 1368 KB Output is correct
42 Correct 4 ms 1264 KB Output is correct
43 Correct 4 ms 1500 KB Output is correct
44 Correct 4 ms 1284 KB Output is correct
45 Correct 215 ms 31428 KB Output is correct
46 Correct 84 ms 17432 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 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 600 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 0 ms 344 KB Output is correct
14 Correct 2 ms 860 KB Output is correct
15 Correct 1 ms 600 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 0 ms 600 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 600 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 3 ms 1628 KB Output is correct
29 Correct 11 ms 4188 KB Output is correct
30 Correct 3 ms 1492 KB Output is correct
31 Correct 5 ms 2652 KB Output is correct
32 Correct 4 ms 1884 KB Output is correct
33 Correct 26 ms 8028 KB Output is correct
34 Correct 12 ms 4440 KB Output is correct
35 Correct 7 ms 1624 KB Output is correct
36 Correct 2 ms 604 KB Output is correct
37 Correct 4 ms 1116 KB Output is correct
38 Correct 5 ms 1372 KB Output is correct
39 Correct 5 ms 1372 KB Output is correct
40 Correct 5 ms 1368 KB Output is correct
41 Correct 6 ms 1372 KB Output is correct
42 Correct 4 ms 1372 KB Output is correct
43 Correct 4 ms 1500 KB Output is correct
44 Correct 4 ms 1284 KB Output is correct
45 Correct 231 ms 31496 KB Output is correct
46 Correct 77 ms 17224 KB Output is correct
47 Correct 5 ms 2392 KB Output is correct
48 Correct 5 ms 2812 KB Output is correct
49 Correct 5 ms 2908 KB Output is correct
50 Correct 4 ms 2908 KB Output is correct
51 Correct 12 ms 5976 KB Output is correct
52 Correct 14 ms 6748 KB Output is correct
53 Correct 8 ms 3928 KB Output is correct
54 Correct 3 ms 3420 KB Output is correct
55 Correct 3 ms 3932 KB Output is correct
56 Correct 11 ms 5612 KB Output is correct
57 Correct 2 ms 2652 KB Output is correct
58 Correct 10 ms 7392 KB Output is correct
59 Correct 13 ms 6880 KB Output is correct
60 Correct 10 ms 6880 KB Output is correct
61 Correct 10 ms 6348 KB Output is correct
62 Correct 169 ms 31004 KB Output is correct
63 Execution timed out 1048 ms 99980 KB Time limit exceeded
64 Halted 0 ms 0 KB -