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Submission #707321

# Submission time Handle Problem Language Result Execution time Memory
707321 2023-03-08T18:58:35 Z Stickfish Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 2260 KB 
#include <iostream>
#include <vector>
#include <bitset>
using namespace std;

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

bitset<MAXN> used;
int dist_long[MAXN];

signed main() {
    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)
        dist_long[i] = INF;
    dist_long[s] = 0;
    while (used.count() < n) {
        int v = -1;
        for (int i = 0; i < n; ++i) {
            if (!used[i] && (v == -1 || dist_long[v] > dist_long[i]))
                v = i;
        }
        if (dist_long[v] >= INF)
            break;
        used[v] = 1;
        for (auto p : jlen[v]) {
            for (int k = 1; p * k <= v; ++k)
                dist_long[v - p * k] = min(dist_long[v - p * k], dist_long[v] + k);
            for (int k = 1; v + p * k < n; ++k)
                dist_long[v + p * k] = min(dist_long[v + p * k], dist_long[v] + k);
        }
    }
    if (dist_long[t] >= INF)
        cout << "-1\n";
    else
        cout << dist_long[t] << '\n';
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:26:25: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   26 |     while (used.count() < n) {
      |            ~~~~~~~~~~~~~^~~

Subtask #1
10.0 / 10.0

# 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 1020 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 980 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1016 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 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 1020 KB Output is correct
11 Correct 2 ms 1028 KB Output is correct
12 Correct 2 ms 980 KB Output is correct
13 Correct 2 ms 1028 KB Output is correct
14 Correct 2 ms 1028 KB Output is correct
15 Correct 1 ms 1028 KB Output is correct

Subtask #3
14.0 / 14.0

# 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 1016 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 1020 KB Output is correct
9 Correct 1 ms 1020 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 2 ms 1024 KB Output is correct
12 Correct 2 ms 1024 KB Output is correct
13 Correct 2 ms 980 KB Output is correct
14 Correct 1 ms 1028 KB Output is correct
15 Correct 2 ms 980 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 4 ms 980 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 15 ms 1124 KB Output is correct
21 Correct 1 ms 1028 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 8 ms 1064 KB Output is correct
24 Correct 10 ms 980 KB Output is correct
25 Correct 11 ms 1100 KB Output is correct
26 Correct 14 ms 980 KB Output is correct
27 Correct 14 ms 980 KB Output is correct
28 Correct 12 ms 1088 KB Output is correct
29 Correct 11 ms 980 KB Output is correct
30 Correct 11 ms 980 KB Output is correct
31 Correct 12 ms 1144 KB Output is correct
32 Correct 11 ms 1128 KB Output is correct
33 Correct 11 ms 980 KB Output is correct
34 Correct 11 ms 980 KB Output is correct

Subtask #4
21.0 / 21.0

# 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 980 KB Output is correct
8 Correct 1 ms 1020 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 1 ms 1028 KB Output is correct
12 Correct 2 ms 1028 KB Output is correct
13 Correct 2 ms 980 KB Output is correct
14 Correct 2 ms 1108 KB Output is correct
15 Correct 2 ms 980 KB Output is correct
16 Correct 2 ms 980 KB Output is correct
17 Correct 3 ms 1028 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 1020 KB Output is correct
20 Correct 15 ms 1124 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 1024 KB Output is correct
23 Correct 7 ms 1024 KB Output is correct
24 Correct 11 ms 1092 KB Output is correct
25 Correct 11 ms 1100 KB Output is correct
26 Correct 13 ms 1072 KB Output is correct
27 Correct 14 ms 1072 KB Output is correct
28 Correct 11 ms 1124 KB Output is correct
29 Correct 10 ms 980 KB Output is correct
30 Correct 10 ms 1028 KB Output is correct
31 Correct 10 ms 1012 KB Output is correct
32 Correct 11 ms 1036 KB Output is correct
33 Correct 11 ms 1032 KB Output is correct
34 Correct 12 ms 980 KB Output is correct
35 Correct 17 ms 1628 KB Output is correct
36 Correct 6 ms 1108 KB Output is correct
37 Correct 19 ms 1488 KB Output is correct
38 Correct 25 ms 1764 KB Output is correct
39 Correct 24 ms 1672 KB Output is correct
40 Correct 25 ms 1748 KB Output is correct
41 Correct 24 ms 1748 KB Output is correct
42 Correct 72 ms 1704 KB Output is correct
43 Correct 73 ms 1620 KB Output is correct
44 Correct 82 ms 1712 KB Output is correct
45 Correct 22 ms 1620 KB Output is correct
46 Correct 23 ms 1784 KB Output is correct

Subtask #5
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 1020 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 980 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 2 ms 980 KB Output is correct
12 Correct 3 ms 980 KB Output is correct
13 Correct 3 ms 980 KB Output is correct
14 Correct 2 ms 1028 KB Output is correct
15 Correct 2 ms 980 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 3 ms 980 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 14 ms 1108 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 8 ms 1024 KB Output is correct
24 Correct 10 ms 980 KB Output is correct
25 Correct 12 ms 1100 KB Output is correct
26 Correct 14 ms 1076 KB Output is correct
27 Correct 14 ms 1072 KB Output is correct
28 Correct 12 ms 1124 KB Output is correct
29 Correct 11 ms 1024 KB Output is correct
30 Correct 11 ms 980 KB Output is correct
31 Correct 11 ms 1016 KB Output is correct
32 Correct 11 ms 1044 KB Output is correct
33 Correct 12 ms 980 KB Output is correct
34 Correct 12 ms 1068 KB Output is correct
35 Correct 18 ms 1620 KB Output is correct
36 Correct 6 ms 1032 KB Output is correct
37 Correct 19 ms 1528 KB Output is correct
38 Correct 25 ms 1740 KB Output is correct
39 Correct 25 ms 1748 KB Output is correct
40 Correct 24 ms 1664 KB Output is correct
41 Correct 24 ms 1672 KB Output is correct
42 Correct 72 ms 1608 KB Output is correct
43 Correct 76 ms 1684 KB Output is correct
44 Correct 74 ms 1620 KB Output is correct
45 Correct 22 ms 1620 KB Output is correct
46 Correct 22 ms 1680 KB Output is correct
47 Correct 372 ms 1804 KB Output is correct
48 Correct 13 ms 1876 KB Output is correct
49 Correct 19 ms 1924 KB Output is correct
50 Correct 10 ms 1768 KB Output is correct
51 Execution timed out 1087 ms 2260 KB Time limit exceeded
52 Halted 0 ms 0 KB -