oj.uz

Submission #716941

# Submission time Handle Problem Language Result Execution time Memory
716941 2023-03-31T12:57:37 Z Stickfish Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 337 ms 16480 KB 
#include <iostream>
#include <vector>
#include <queue>
#include <set>
#include <algorithm>
#include <bitset>
using namespace std;

const int MAXN = 30100;
const int SQN = 40;
const int INF = 1e9 + 177013;
pair<int, int> dogs[MAXN];
vector<int> jlen[MAXN];

bitset<MAXN> used;
int dist[MAXN][SQN];

void update(int i, int p, int d, set<pair<int, pair<int, int>>>& rdist) {
    if (dist[i][p] > d) {
        dist[i][p] = d;
        rdist.insert({d, {i, p}});
    }
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int n, m;
    cin >> n >> m;
    for (int i = 0; i < m; ++i) {
        cin >> dogs[i].first >> dogs[i].second;
        jlen[dogs[i].first].push_back(dogs[i].second);
    }
    int s = dogs[0].first;
    int t = dogs[1].first;
    for (int i = 0; i < n; ++i) {
        for (int d = 0; d < SQN; ++d) {
            dist[i][d] = INF;
        }
    }
    dist[s][0] = 0;
    set<pair<int, pair<int, int>>> rdist;
    rdist.insert({0, {s, 0}});
    while (rdist.size()) {
        auto [d, ip] = *rdist.begin();
        auto [i, p] = ip;
        rdist.erase(rdist.begin());
        if (dist[i][p] < d)
            continue;
        update(i, 0, d, rdist);
        if (p == 0) {
            for (auto np : jlen[i]) {
                if (np < SQN) {
                    update(i, np, d, rdist);
                    continue;
                }
                for (int j = i % np; j < n; j += np) {
                    update(j, 0, d + abs(i - j) / np, rdist);
                }
            }
        } else {
            if (i >= p)
                update(i - p, p, d + 1, rdist);
            if (i + p < n)
                update(i + p, p, d + 1, rdist);
        }
    }
    if (dist[t][0] >= INF)
        cout << "-1\n";
    else
        cout << dist[t][0] << '\n';
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1032 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 1032 KB Output is correct
5 Correct 1 ms 1036 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 1032 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 2 ms 980 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 2 ms 1108 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 2 ms 1108 KB Output is correct
15 Correct 2 ms 1048 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1032 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 1032 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 1036 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 1036 KB Output is correct
11 Correct 2 ms 1108 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 1044 KB Output is correct
14 Correct 2 ms 1108 KB Output is correct
15 Correct 2 ms 1108 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 3 ms 1236 KB Output is correct
18 Correct 1 ms 1236 KB Output is correct
19 Correct 1 ms 1364 KB Output is correct
20 Correct 2 ms 1364 KB Output is correct
21 Correct 1 ms 1108 KB Output is correct
22 Correct 1 ms 1236 KB Output is correct
23 Correct 2 ms 1236 KB Output is correct
24 Correct 3 ms 1428 KB Output is correct
25 Correct 3 ms 1496 KB Output is correct
26 Correct 2 ms 1304 KB Output is correct
27 Correct 2 ms 1364 KB Output is correct
28 Correct 3 ms 1344 KB Output is correct
29 Correct 9 ms 1492 KB Output is correct
30 Correct 3 ms 1288 KB Output is correct
31 Correct 5 ms 1428 KB Output is correct
32 Correct 2 ms 1492 KB Output is correct
33 Correct 12 ms 1808 KB Output is correct
34 Correct 11 ms 1804 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1036 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 1040 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 2 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 1040 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 2 ms 1108 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 1044 KB Output is correct
14 Correct 2 ms 1108 KB Output is correct
15 Correct 2 ms 1108 KB Output is correct
16 Correct 1 ms 1040 KB Output is correct
17 Correct 3 ms 1236 KB Output is correct
18 Correct 1 ms 1236 KB Output is correct
19 Correct 1 ms 1364 KB Output is correct
20 Correct 2 ms 1364 KB Output is correct
21 Correct 1 ms 1036 KB Output is correct
22 Correct 2 ms 1236 KB Output is correct
23 Correct 2 ms 1304 KB Output is correct
24 Correct 3 ms 1472 KB Output is correct
25 Correct 2 ms 1304 KB Output is correct
26 Correct 2 ms 1364 KB Output is correct
27 Correct 2 ms 1364 KB Output is correct
28 Correct 2 ms 1364 KB Output is correct
29 Correct 10 ms 1528 KB Output is correct
30 Correct 3 ms 1364 KB Output is correct
31 Correct 4 ms 1492 KB Output is correct
32 Correct 2 ms 1492 KB Output is correct
33 Correct 12 ms 1808 KB Output is correct
34 Correct 12 ms 1748 KB Output is correct
35 Correct 12 ms 2004 KB Output is correct
36 Correct 3 ms 1364 KB Output is correct
37 Correct 14 ms 2004 KB Output is correct
38 Correct 15 ms 2292 KB Output is correct
39 Correct 15 ms 2208 KB Output is correct
40 Correct 19 ms 2260 KB Output is correct
41 Correct 16 ms 2240 KB Output is correct
42 Correct 7 ms 2004 KB Output is correct
43 Correct 5 ms 2004 KB Output is correct
44 Correct 5 ms 2004 KB Output is correct
45 Correct 17 ms 2260 KB Output is correct
46 Correct 17 ms 2324 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 1032 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 1036 KB Output is correct
11 Correct 2 ms 1108 KB Output is correct
12 Correct 2 ms 980 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 2 ms 1044 KB Output is correct
15 Correct 2 ms 1056 KB Output is correct
16 Correct 1 ms 1044 KB Output is correct
17 Correct 3 ms 1236 KB Output is correct
18 Correct 1 ms 1308 KB Output is correct
19 Correct 2 ms 1372 KB Output is correct
20 Correct 3 ms 1372 KB Output is correct
21 Correct 1 ms 1116 KB Output is correct
22 Correct 1 ms 1244 KB Output is correct
23 Correct 2 ms 1244 KB Output is correct
24 Correct 3 ms 1432 KB Output is correct
25 Correct 2 ms 1368 KB Output is correct
26 Correct 2 ms 1364 KB Output is correct
27 Correct 2 ms 1364 KB Output is correct
28 Correct 2 ms 1364 KB Output is correct
29 Correct 10 ms 1424 KB Output is correct
30 Correct 3 ms 1376 KB Output is correct
31 Correct 5 ms 1504 KB Output is correct
32 Correct 2 ms 1504 KB Output is correct
33 Correct 13 ms 1816 KB Output is correct
34 Correct 13 ms 1820 KB Output is correct
35 Correct 11 ms 2016 KB Output is correct
36 Correct 3 ms 1320 KB Output is correct
37 Correct 20 ms 2052 KB Output is correct
38 Correct 19 ms 2228 KB Output is correct
39 Correct 22 ms 2272 KB Output is correct
40 Correct 16 ms 2304 KB Output is correct
41 Correct 20 ms 2272 KB Output is correct
42 Correct 6 ms 2016 KB Output is correct
43 Correct 5 ms 1972 KB Output is correct
44 Correct 5 ms 2016 KB Output is correct
45 Correct 18 ms 2272 KB Output is correct
46 Correct 18 ms 2272 KB Output is correct
47 Correct 57 ms 5344 KB Output is correct
48 Correct 8 ms 5452 KB Output is correct
49 Correct 8 ms 5796 KB Output is correct
50 Correct 7 ms 6052 KB Output is correct
51 Correct 54 ms 8672 KB Output is correct
52 Correct 52 ms 8704 KB Output is correct
53 Correct 19 ms 6892 KB Output is correct
54 Correct 5 ms 5728 KB Output is correct
55 Correct 7 ms 5728 KB Output is correct
56 Correct 14 ms 7136 KB Output is correct
57 Correct 100 ms 8756 KB Output is correct
58 Correct 13 ms 6228 KB Output is correct
59 Correct 15 ms 6356 KB Output is correct
60 Correct 15 ms 6420 KB Output is correct
61 Correct 16 ms 6356 KB Output is correct
62 Correct 28 ms 7300 KB Output is correct
63 Correct 82 ms 12680 KB Output is correct
64 Correct 68 ms 12944 KB Output is correct
65 Correct 79 ms 14644 KB Output is correct
66 Correct 224 ms 16332 KB Output is correct
67 Correct 337 ms 16480 KB Output is correct