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Submission #107935

# Submission time Handle Problem Language Result Execution time Memory
107935 2019-04-26T09:31:17 Z dfistric Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 480 ms 63388 KB 
#include <bits/stdc++.h>

#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define REP(i, n) FOR(i, 0, n)
#define ll long long

using namespace std;

const int MAXN = 30010;
int B[MAXN], P[MAXN];
int n, m;
vector <pair <int, int> > ve[MAXN];
set <pair <int, int> > se;
int dist[MAXN];
set <int> E[MAXN];

int main() {
    ios_base::sync_with_stdio(false);

    cin >> n >> m;

    REP(i, m) {
        cin >> B[i] >> P[i];
        E[B[i]].insert(P[i]);
    }

    REP(i, n) {
        for (int t : E[i]) {
            int c = 1;
            while (i + t * c < n) {
                int j = i + t * c;
                ve[i].push_back({j, c});
                if (E[j].find(c) != E[j].end()) break;
                c++;
            }
            
            c = 1;
            while (i - t * c >= 0) {
                int j = i - t * c;
                ve[i].push_back({j, c});
                if (E[j].find(c) != E[j].end()) break;
                c++;
            }
        }
    }

    REP(i, n) dist[i] = 1e9;
    dist[B[0]] = 0;
    REP(i, n) se.insert({dist[i], i});
    
    while (se.size()) {
        auto tr = *se.begin();
        se.erase(se.begin());

        int x = tr.second, D = tr.first;
        if (x == B[1]) break;

        for (auto t : ve[x]) {
            int y = t.first, d = t.second;
            if (dist[y] > D + d) {
                se.erase({dist[y], y});
                dist[y] = D + d;
                se.insert({dist[y], y});
            }
        }
    }

    if (dist[B[1]] >= 1e9) cout << "-1\n";
    else                   cout << dist[B[1]] << "\n";

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2432 KB Output is correct
2 Correct 4 ms 2432 KB Output is correct
3 Correct 4 ms 2432 KB Output is correct
4 Correct 5 ms 2432 KB Output is correct
5 Correct 4 ms 2432 KB Output is correct
6 Correct 4 ms 2432 KB Output is correct
7 Correct 4 ms 2432 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2432 KB Output is correct
2 Correct 4 ms 2432 KB Output is correct
3 Correct 4 ms 2432 KB Output is correct
4 Correct 4 ms 2432 KB Output is correct
5 Correct 4 ms 2432 KB Output is correct
6 Correct 4 ms 2432 KB Output is correct
7 Correct 5 ms 2432 KB Output is correct
8 Correct 4 ms 2432 KB Output is correct
9 Correct 3 ms 2432 KB Output is correct
10 Correct 5 ms 2560 KB Output is correct
11 Correct 5 ms 2688 KB Output is correct
12 Correct 4 ms 2636 KB Output is correct
13 Correct 5 ms 2560 KB Output is correct
14 Correct 6 ms 2688 KB Output is correct
15 Correct 6 ms 2688 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2432 KB Output is correct
2 Correct 5 ms 2432 KB Output is correct
3 Correct 5 ms 2432 KB Output is correct
4 Correct 4 ms 2432 KB Output is correct
5 Correct 4 ms 2432 KB Output is correct
6 Correct 4 ms 2432 KB Output is correct
7 Correct 5 ms 2432 KB Output is correct
8 Correct 9 ms 2432 KB Output is correct
9 Correct 5 ms 2432 KB Output is correct
10 Correct 5 ms 2432 KB Output is correct
11 Correct 5 ms 2688 KB Output is correct
12 Correct 4 ms 2432 KB Output is correct
13 Correct 5 ms 2560 KB Output is correct
14 Correct 5 ms 2560 KB Output is correct
15 Correct 5 ms 2560 KB Output is correct
16 Correct 6 ms 2560 KB Output is correct
17 Correct 7 ms 2816 KB Output is correct
18 Correct 6 ms 2816 KB Output is correct
19 Correct 5 ms 2688 KB Output is correct
20 Correct 9 ms 2816 KB Output is correct
21 Correct 5 ms 2560 KB Output is correct
22 Correct 7 ms 2816 KB Output is correct
23 Correct 6 ms 2688 KB Output is correct
24 Correct 7 ms 2816 KB Output is correct
25 Correct 6 ms 2816 KB Output is correct
26 Correct 6 ms 2688 KB Output is correct
27 Correct 6 ms 2688 KB Output is correct
28 Correct 6 ms 2944 KB Output is correct
29 Correct 9 ms 3200 KB Output is correct
30 Correct 6 ms 2816 KB Output is correct
31 Correct 7 ms 2944 KB Output is correct
32 Correct 6 ms 2816 KB Output is correct
33 Correct 14 ms 3708 KB Output is correct
34 Correct 13 ms 3708 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2432 KB Output is correct
2 Correct 5 ms 2432 KB Output is correct
3 Correct 4 ms 2432 KB Output is correct
4 Correct 5 ms 2432 KB Output is correct
5 Correct 4 ms 2432 KB Output is correct
6 Correct 5 ms 2432 KB Output is correct
7 Correct 4 ms 2432 KB Output is correct
8 Correct 4 ms 2432 KB Output is correct
9 Correct 4 ms 2432 KB Output is correct
10 Correct 4 ms 2560 KB Output is correct
11 Correct 5 ms 2688 KB Output is correct
12 Correct 6 ms 2432 KB Output is correct
13 Correct 4 ms 2560 KB Output is correct
14 Correct 4 ms 2688 KB Output is correct
15 Correct 5 ms 2688 KB Output is correct
16 Correct 7 ms 2560 KB Output is correct
17 Correct 6 ms 2816 KB Output is correct
18 Correct 4 ms 2688 KB Output is correct
19 Correct 4 ms 2688 KB Output is correct
20 Correct 9 ms 2688 KB Output is correct
21 Correct 5 ms 2560 KB Output is correct
22 Correct 5 ms 2688 KB Output is correct
23 Correct 6 ms 2688 KB Output is correct
24 Correct 6 ms 2816 KB Output is correct
25 Correct 6 ms 2816 KB Output is correct
26 Correct 5 ms 2688 KB Output is correct
27 Correct 5 ms 2688 KB Output is correct
28 Correct 6 ms 2944 KB Output is correct
29 Correct 8 ms 3200 KB Output is correct
30 Correct 6 ms 2816 KB Output is correct
31 Correct 7 ms 2944 KB Output is correct
32 Correct 7 ms 2816 KB Output is correct
33 Correct 12 ms 3836 KB Output is correct
34 Correct 12 ms 3708 KB Output is correct
35 Correct 26 ms 4992 KB Output is correct
36 Correct 6 ms 2944 KB Output is correct
37 Correct 35 ms 5624 KB Output is correct
38 Correct 32 ms 5876 KB Output is correct
39 Correct 26 ms 5888 KB Output is correct
40 Correct 29 ms 5888 KB Output is correct
41 Correct 35 ms 5888 KB Output is correct
42 Correct 12 ms 2944 KB Output is correct
43 Correct 10 ms 2944 KB Output is correct
44 Correct 13 ms 2944 KB Output is correct
45 Correct 41 ms 8312 KB Output is correct
46 Correct 38 ms 8312 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2432 KB Output is correct
2 Correct 4 ms 2432 KB Output is correct
3 Correct 4 ms 2432 KB Output is correct
4 Correct 5 ms 2432 KB Output is correct
5 Correct 4 ms 2432 KB Output is correct
6 Correct 5 ms 2432 KB Output is correct
7 Correct 5 ms 2432 KB Output is correct
8 Correct 5 ms 2432 KB Output is correct
9 Correct 4 ms 2432 KB Output is correct
10 Correct 4 ms 2560 KB Output is correct
11 Correct 8 ms 2688 KB Output is correct
12 Correct 6 ms 2560 KB Output is correct
13 Correct 4 ms 2560 KB Output is correct
14 Correct 5 ms 2688 KB Output is correct
15 Correct 5 ms 2688 KB Output is correct
16 Correct 5 ms 2560 KB Output is correct
17 Correct 6 ms 2816 KB Output is correct
18 Correct 6 ms 2688 KB Output is correct
19 Correct 5 ms 2688 KB Output is correct
20 Correct 7 ms 2684 KB Output is correct
21 Correct 4 ms 2560 KB Output is correct
22 Correct 7 ms 2688 KB Output is correct
23 Correct 6 ms 2688 KB Output is correct
24 Correct 8 ms 2816 KB Output is correct
25 Correct 5 ms 2816 KB Output is correct
26 Correct 5 ms 2688 KB Output is correct
27 Correct 5 ms 2688 KB Output is correct
28 Correct 5 ms 2816 KB Output is correct
29 Correct 8 ms 3200 KB Output is correct
30 Correct 6 ms 2816 KB Output is correct
31 Correct 8 ms 2944 KB Output is correct
32 Correct 7 ms 2816 KB Output is correct
33 Correct 16 ms 3836 KB Output is correct
34 Correct 13 ms 3836 KB Output is correct
35 Correct 26 ms 4984 KB Output is correct
36 Correct 9 ms 2944 KB Output is correct
37 Correct 34 ms 5632 KB Output is correct
38 Correct 44 ms 5880 KB Output is correct
39 Correct 45 ms 6008 KB Output is correct
40 Correct 38 ms 5880 KB Output is correct
41 Correct 36 ms 5880 KB Output is correct
42 Correct 15 ms 2944 KB Output is correct
43 Correct 14 ms 2816 KB Output is correct
44 Correct 12 ms 2944 KB Output is correct
45 Correct 40 ms 8384 KB Output is correct
46 Correct 45 ms 8312 KB Output is correct
47 Correct 82 ms 12792 KB Output is correct
48 Correct 32 ms 7172 KB Output is correct
49 Correct 25 ms 6400 KB Output is correct
50 Correct 22 ms 6144 KB Output is correct
51 Correct 96 ms 9212 KB Output is correct
52 Correct 87 ms 9400 KB Output is correct
53 Correct 36 ms 6364 KB Output is correct
54 Correct 15 ms 4224 KB Output is correct
55 Correct 23 ms 4732 KB Output is correct
56 Correct 30 ms 6776 KB Output is correct
57 Correct 127 ms 54392 KB Output is correct
58 Correct 24 ms 5112 KB Output is correct
59 Correct 28 ms 5876 KB Output is correct
60 Correct 30 ms 6268 KB Output is correct
61 Correct 35 ms 5732 KB Output is correct
62 Correct 58 ms 10644 KB Output is correct
63 Correct 157 ms 25812 KB Output is correct
64 Correct 153 ms 29464 KB Output is correct
65 Correct 234 ms 38740 KB Output is correct
66 Correct 480 ms 63388 KB Output is correct
67 Correct 436 ms 63332 KB Output is correct