oj.uz

Submission #956223

# Submission time Handle Problem Language Result Execution time Memory
956223 2024-04-01T10:56:22 Z Nelt Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 472 ms 31516 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) and dist[i - j].size() <= 1000)
            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() <= 1000)
            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() <= 1000)
                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() <= 1000)
                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";
}

Subtask #1
10.0 / 10.0

# 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 0 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 344 KB Output is correct
2 Correct 1 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 1 ms 344 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 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 3 ms 860 KB Output is correct
15 Correct 1 ms 600 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 0 ms 348 KB Output is correct
5 Correct 1 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 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 1 ms 348 KB Output is correct
14 Correct 3 ms 856 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 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 1628 KB Output is correct
29 Correct 13 ms 4188 KB Output is correct
30 Correct 3 ms 1628 KB Output is correct
31 Correct 7 ms 2544 KB Output is correct
32 Correct 4 ms 1884 KB Output is correct
33 Correct 34 ms 7920 KB Output is correct
34 Correct 17 ms 4480 KB Output is correct

Subtask #4
21.0 / 21.0

# 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 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 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 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 4 ms 856 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 848 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 5 ms 1624 KB Output is correct
29 Correct 12 ms 4188 KB Output is correct
30 Correct 3 ms 1624 KB Output is correct
31 Correct 6 ms 2648 KB Output is correct
32 Correct 4 ms 1992 KB Output is correct
33 Correct 34 ms 8020 KB Output is correct
34 Correct 17 ms 4444 KB Output is correct
35 Correct 5 ms 1884 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 1368 KB Output is correct
40 Correct 4 ms 1348 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 1500 KB Output is correct
44 Correct 4 ms 1284 KB Output is correct
45 Correct 472 ms 31516 KB Output is correct
46 Correct 297 ms 17428 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 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 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 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 0 ms 348 KB Output is correct
14 Correct 3 ms 1016 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 0 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 0 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 856 KB Output is correct
28 Correct 4 ms 1624 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 2648 KB Output is correct
32 Correct 4 ms 1884 KB Output is correct
33 Correct 32 ms 8020 KB Output is correct
34 Correct 17 ms 4444 KB Output is correct
35 Correct 6 ms 1884 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 1628 KB Output is correct
39 Correct 5 ms 1500 KB Output is correct
40 Correct 5 ms 1372 KB Output is correct
41 Correct 4 ms 1372 KB Output is correct
42 Correct 5 ms 1652 KB Output is correct
43 Correct 4 ms 1500 KB Output is correct
44 Correct 4 ms 1284 KB Output is correct
45 Correct 468 ms 31340 KB Output is correct
46 Correct 299 ms 16868 KB Output is correct
47 Correct 5 ms 2392 KB Output is correct
48 Correct 7 ms 2904 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 6488 KB Output is correct
53 Correct 7 ms 4184 KB Output is correct
54 Correct 3 ms 3420 KB Output is correct
55 Correct 4 ms 3932 KB Output is correct
56 Correct 11 ms 5680 KB Output is correct
57 Correct 2 ms 2652 KB Output is correct
58 Correct 13 ms 7392 KB Output is correct
59 Correct 10 ms 6880 KB Output is correct
60 Correct 10 ms 6876 KB Output is correct
61 Correct 11 ms 6364 KB Output is correct
62 Incorrect 11 ms 6356 KB Output isn't correct
63 Halted 0 ms 0 KB -