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Submission #870612

# Submission time Handle Problem Language Result Execution time Memory
870612 2023-11-08T13:32:02 Z anha3k25cvp Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 131 ms 65708 KB 
#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define dl double
#define st first
#define nd second
#define II pair <int, int>

using namespace std;

const int N = 5 + 1e5;
const int inf = 7 + 1e9;

int n, m;
vector <int> b, p;

namespace subtask5 {
    void main() {
        vector <set <int>> g(n);
        for (int i = 1; i <= m; i ++)
            g[b[i]].insert(p[i]);
        vector <vector <II>> adj(n);
        for (int i = 0; i < n; i ++)
            for (int val : g[i]) {
                for (int j = 1; j * val <= i; j ++) {
                    adj[i].push_back({i - j * val, j});
                    if (g[i - j * val].count(val))
                        break;
                }
                for (int j = 1; i + j * val < n; j ++) {
                    adj[i].push_back({i + j * val, j});
                    if (g[i + j * val].count(val))
                        break;
                }
            }
        vector <int> f(n, inf);
        priority_queue <II> q;
        q.push({-(f[b[1]] = 0), b[1]});
        while (!q.empty()) {
            int du = -q.top().st, u = q.top().nd;
            q.pop();
            if (f[u] < du)
                continue;
            if (u == b[2]) {
                cout << du;
                return;
            }
            for (auto z : adj[u]) {
                int v = z.st, w = z.nd;
                if (du + w < f[v])
                    q.push({-(f[v] = du + w), v});
            }
        }
        cout << -1;
    }
}

int main() {
#define TASKNAME ""
    ios_base :: sync_with_stdio (0);
    cin.tie (0);
    if ( fopen( TASKNAME".inp", "r" ) ) {
        freopen (TASKNAME".inp", "r", stdin);
        freopen (TASKNAME".out", "w", stdout);
    }
    cin >> n >> m;
    b.assign(m + 1, 0);
    p.assign(m + 1, 0);
    for (int i = 1; i <= m; i ++)
        cin >> b[i] >> p[i];
    subtask5 :: main();
    return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:63:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 |         freopen (TASKNAME".inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
skyscraper.cpp:64:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   64 |         freopen (TASKNAME".out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 452 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 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 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 460 KB Output is correct
11 Correct 1 ms 392 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 556 KB Output is correct
15 Correct 1 ms 604 KB Output is correct

Subtask #3
14.0 / 14.0

# 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 1 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 464 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 604 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 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 740 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 600 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 852 KB Output is correct
27 Correct 1 ms 600 KB Output is correct
28 Correct 1 ms 860 KB Output is correct
29 Correct 2 ms 1116 KB Output is correct
30 Correct 1 ms 860 KB Output is correct
31 Correct 1 ms 860 KB Output is correct
32 Correct 2 ms 856 KB Output is correct
33 Correct 4 ms 1880 KB Output is correct
34 Correct 3 ms 1884 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 452 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
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 456 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 856 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 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 604 KB Output is correct
24 Correct 2 ms 856 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 604 KB Output is correct
28 Correct 1 ms 860 KB Output is correct
29 Correct 3 ms 1116 KB Output is correct
30 Correct 1 ms 860 KB Output is correct
31 Correct 2 ms 856 KB Output is correct
32 Correct 1 ms 860 KB Output is correct
33 Correct 3 ms 1996 KB Output is correct
34 Correct 3 ms 1884 KB Output is correct
35 Correct 11 ms 3184 KB Output is correct
36 Correct 2 ms 856 KB Output is correct
37 Correct 12 ms 3880 KB Output is correct
38 Correct 18 ms 4184 KB Output is correct
39 Correct 15 ms 4024 KB Output is correct
40 Correct 15 ms 4184 KB Output is correct
41 Correct 17 ms 4020 KB Output is correct
42 Correct 4 ms 1112 KB Output is correct
43 Correct 4 ms 900 KB Output is correct
44 Correct 3 ms 1116 KB Output is correct
45 Correct 16 ms 6760 KB Output is correct
46 Correct 15 ms 6528 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 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 1 ms 604 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 788 KB Output is correct
18 Correct 1 ms 716 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 440 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 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 604 KB Output is correct
28 Correct 1 ms 860 KB Output is correct
29 Correct 2 ms 1116 KB Output is correct
30 Correct 2 ms 860 KB Output is correct
31 Correct 1 ms 860 KB Output is correct
32 Correct 1 ms 856 KB Output is correct
33 Correct 3 ms 1884 KB Output is correct
34 Correct 3 ms 1884 KB Output is correct
35 Correct 11 ms 3164 KB Output is correct
36 Correct 2 ms 860 KB Output is correct
37 Correct 14 ms 3676 KB Output is correct
38 Correct 15 ms 4188 KB Output is correct
39 Correct 15 ms 4204 KB Output is correct
40 Correct 15 ms 4184 KB Output is correct
41 Correct 15 ms 4188 KB Output is correct
42 Correct 3 ms 1064 KB Output is correct
43 Correct 4 ms 1116 KB Output is correct
44 Correct 4 ms 1116 KB Output is correct
45 Correct 16 ms 6748 KB Output is correct
46 Correct 15 ms 6748 KB Output is correct
47 Correct 27 ms 11804 KB Output is correct
48 Correct 12 ms 5804 KB Output is correct
49 Correct 10 ms 5212 KB Output is correct
50 Correct 8 ms 4784 KB Output is correct
51 Correct 20 ms 8580 KB Output is correct
52 Correct 22 ms 8988 KB Output is correct
53 Correct 10 ms 5544 KB Output is correct
54 Correct 3 ms 3160 KB Output is correct
55 Correct 4 ms 3544 KB Output is correct
56 Correct 10 ms 5268 KB Output is correct
57 Correct 12 ms 11356 KB Output is correct
58 Correct 7 ms 4080 KB Output is correct
59 Correct 8 ms 4312 KB Output is correct
60 Correct 8 ms 4944 KB Output is correct
61 Correct 8 ms 4316 KB Output is correct
62 Correct 16 ms 9628 KB Output is correct
63 Correct 51 ms 25804 KB Output is correct
64 Correct 56 ms 29144 KB Output is correct
65 Correct 73 ms 38860 KB Output is correct
66 Correct 131 ms 65708 KB Output is correct
67 Correct 111 ms 65676 KB Output is correct