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Submission #568541

# Submission time Handle Problem Language Result Execution time Memory
568541 2022-05-25T16:28:39 Z Ooops_sorry Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 441 ms 9652 KB 
#include<bits/stdc++.h>

using namespace std;

#define pb push_back
#define ld double
#define ll long long

mt19937 rnd(51);

const int N = 30010, K = 50, INF = 1e9, M = 1e5 + 10;
int d[N][K];

signed main() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
#endif // LOCAL
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    for (int i = 0; i < N; i++) {
        for (int j = 0; j < K; j++) {
            d[i][j] = INF;
        }
    }
    int n, m;
    cin >> n >> m;
    vector<int> b(m), p(m), ans(n, INF);
    vector<vector<int>> need(n);
    for (int i = 0; i < m; i++) {
        cin >> b[i] >> p[i];
        need[b[i]].pb(abs(p[i]));
    }
    ans[b[0]] = 0;
    set<array<int, 3>> st;
    st.insert({0, b[0], -1});
    while (st.size() > 0) {
        auto arr = *st.begin();
        st.erase(arr);
        int v = arr[1], j = arr[2];
        if (j == -1) {
            for (auto to : need[v]) {
                if (to < K) {
                    if (d[v][to] > ans[v]) {
                        st.erase({d[v][to], v, to});
                        d[v][to] = ans[v];
                        st.insert({d[v][to], v, to});
                    }
                } else {
                    for (int k = v, add = 0; k < n; k += to, add++) {
                        if (ans[k] > ans[v] + add) {
                            st.erase({ans[k], k, -1});
                            ans[k] = ans[v] + add;
                            st.insert({ans[k], k, -1});
                        }
                    }
                    for (int k = v, add = 0; k >= 0; k -= to, add++) {
                        if (ans[k] > ans[v] + add) {
                            st.erase({ans[k], k, -1});
                            ans[k] = ans[v] + add;
                            st.insert({ans[k], k, -1});
                        }
                    }
                }
            }
        } else {
            if (d[v][j] < ans[v]) {
                st.erase({ans[v], v, -1});
                ans[v] = d[v][j];
                st.insert({ans[v], v, -1});
            }
            if (v + j < n && d[v + j][j] > d[v][j] + 1) {
                st.erase({d[v + j][j], v + j, j});
                d[v + j][j] = d[v][j] + 1;
                st.insert({d[v + j][j], v + j, j});
            }
            if (v - j >= 0 && d[v - j][j] > d[v][j] + 1) {
                st.erase({d[v - j][j], v - j, j});
                d[v - j][j] = d[v][j] + 1;
                st.insert({d[v - j][j], v - j, j});
            }
        }
    }
    cout << (ans[b[1]] == INF ? -1 : ans[b[1]]) << endl;
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 6100 KB Output is correct
2 Correct 4 ms 6100 KB Output is correct
3 Correct 4 ms 6100 KB Output is correct
4 Correct 4 ms 6100 KB Output is correct
5 Correct 5 ms 6100 KB Output is correct
6 Correct 4 ms 6100 KB Output is correct
7 Correct 4 ms 6100 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 6100 KB Output is correct
2 Correct 4 ms 6100 KB Output is correct
3 Correct 4 ms 6100 KB Output is correct
4 Correct 5 ms 6100 KB Output is correct
5 Correct 4 ms 6100 KB Output is correct
6 Correct 4 ms 6096 KB Output is correct
7 Correct 4 ms 6152 KB Output is correct
8 Correct 4 ms 6100 KB Output is correct
9 Correct 4 ms 6100 KB Output is correct
10 Correct 4 ms 6100 KB Output is correct
11 Correct 7 ms 6228 KB Output is correct
12 Correct 4 ms 6228 KB Output is correct
13 Correct 5 ms 6228 KB Output is correct
14 Correct 6 ms 6228 KB Output is correct
15 Correct 5 ms 6228 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 6100 KB Output is correct
2 Correct 4 ms 6100 KB Output is correct
3 Correct 4 ms 6100 KB Output is correct
4 Correct 3 ms 6132 KB Output is correct
5 Correct 4 ms 6100 KB Output is correct
6 Correct 4 ms 6100 KB Output is correct
7 Correct 4 ms 6100 KB Output is correct
8 Correct 4 ms 6100 KB Output is correct
9 Correct 4 ms 6100 KB Output is correct
10 Correct 5 ms 6228 KB Output is correct
11 Correct 4 ms 6228 KB Output is correct
12 Correct 4 ms 6228 KB Output is correct
13 Correct 5 ms 6228 KB Output is correct
14 Correct 6 ms 6304 KB Output is correct
15 Correct 5 ms 6228 KB Output is correct
16 Correct 4 ms 6100 KB Output is correct
17 Correct 7 ms 6280 KB Output is correct
18 Correct 4 ms 6228 KB Output is correct
19 Correct 4 ms 6228 KB Output is correct
20 Correct 5 ms 6228 KB Output is correct
21 Correct 4 ms 6228 KB Output is correct
22 Correct 4 ms 6228 KB Output is correct
23 Correct 5 ms 6236 KB Output is correct
24 Correct 6 ms 6228 KB Output is correct
25 Correct 5 ms 6228 KB Output is correct
26 Correct 5 ms 6228 KB Output is correct
27 Correct 5 ms 6228 KB Output is correct
28 Correct 6 ms 6228 KB Output is correct
29 Correct 20 ms 6228 KB Output is correct
30 Correct 8 ms 6228 KB Output is correct
31 Correct 12 ms 6228 KB Output is correct
32 Correct 10 ms 6228 KB Output is correct
33 Correct 30 ms 6356 KB Output is correct
34 Correct 31 ms 6448 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 6100 KB Output is correct
2 Correct 4 ms 6100 KB Output is correct
3 Correct 6 ms 6100 KB Output is correct
4 Correct 4 ms 6100 KB Output is correct
5 Correct 4 ms 6100 KB Output is correct
6 Correct 5 ms 6100 KB Output is correct
7 Correct 5 ms 6144 KB Output is correct
8 Correct 4 ms 6100 KB Output is correct
9 Correct 4 ms 6100 KB Output is correct
10 Correct 4 ms 6100 KB Output is correct
11 Correct 5 ms 6228 KB Output is correct
12 Correct 4 ms 6228 KB Output is correct
13 Correct 4 ms 6228 KB Output is correct
14 Correct 7 ms 6268 KB Output is correct
15 Correct 6 ms 6228 KB Output is correct
16 Correct 5 ms 6100 KB Output is correct
17 Correct 7 ms 6292 KB Output is correct
18 Correct 4 ms 6244 KB Output is correct
19 Correct 4 ms 6228 KB Output is correct
20 Correct 4 ms 6228 KB Output is correct
21 Correct 4 ms 6160 KB Output is correct
22 Correct 5 ms 6228 KB Output is correct
23 Correct 5 ms 6228 KB Output is correct
24 Correct 6 ms 6228 KB Output is correct
25 Correct 5 ms 6228 KB Output is correct
26 Correct 5 ms 6228 KB Output is correct
27 Correct 4 ms 6228 KB Output is correct
28 Correct 6 ms 6228 KB Output is correct
29 Correct 21 ms 6308 KB Output is correct
30 Correct 8 ms 6228 KB Output is correct
31 Correct 13 ms 6228 KB Output is correct
32 Correct 10 ms 6316 KB Output is correct
33 Correct 29 ms 6356 KB Output is correct
34 Correct 35 ms 6356 KB Output is correct
35 Correct 18 ms 6708 KB Output is correct
36 Correct 7 ms 6228 KB Output is correct
37 Correct 27 ms 6676 KB Output is correct
38 Correct 23 ms 6740 KB Output is correct
39 Correct 24 ms 6828 KB Output is correct
40 Correct 29 ms 6740 KB Output is correct
41 Correct 34 ms 6804 KB Output is correct
42 Correct 9 ms 6740 KB Output is correct
43 Correct 9 ms 6740 KB Output is correct
44 Correct 9 ms 6656 KB Output is correct
45 Correct 34 ms 6852 KB Output is correct
46 Correct 31 ms 6740 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 6100 KB Output is correct
2 Correct 3 ms 6100 KB Output is correct
3 Correct 4 ms 6100 KB Output is correct
4 Correct 4 ms 6100 KB Output is correct
5 Correct 4 ms 6100 KB Output is correct
6 Correct 4 ms 6100 KB Output is correct
7 Correct 4 ms 6076 KB Output is correct
8 Correct 5 ms 6100 KB Output is correct
9 Correct 4 ms 6100 KB Output is correct
10 Correct 4 ms 6224 KB Output is correct
11 Correct 5 ms 6228 KB Output is correct
12 Correct 5 ms 6228 KB Output is correct
13 Correct 4 ms 6228 KB Output is correct
14 Correct 6 ms 6256 KB Output is correct
15 Correct 6 ms 6356 KB Output is correct
16 Correct 4 ms 6100 KB Output is correct
17 Correct 7 ms 6232 KB Output is correct
18 Correct 4 ms 6228 KB Output is correct
19 Correct 4 ms 6228 KB Output is correct
20 Correct 5 ms 6228 KB Output is correct
21 Correct 4 ms 6228 KB Output is correct
22 Correct 4 ms 6228 KB Output is correct
23 Correct 6 ms 6228 KB Output is correct
24 Correct 7 ms 6228 KB Output is correct
25 Correct 5 ms 6228 KB Output is correct
26 Correct 5 ms 6228 KB Output is correct
27 Correct 5 ms 6228 KB Output is correct
28 Correct 5 ms 6228 KB Output is correct
29 Correct 18 ms 6308 KB Output is correct
30 Correct 7 ms 6228 KB Output is correct
31 Correct 11 ms 6300 KB Output is correct
32 Correct 10 ms 6228 KB Output is correct
33 Correct 28 ms 6440 KB Output is correct
34 Correct 28 ms 6456 KB Output is correct
35 Correct 18 ms 6612 KB Output is correct
36 Correct 7 ms 6352 KB Output is correct
37 Correct 25 ms 6624 KB Output is correct
38 Correct 24 ms 6832 KB Output is correct
39 Correct 24 ms 6812 KB Output is correct
40 Correct 25 ms 6740 KB Output is correct
41 Correct 23 ms 6740 KB Output is correct
42 Correct 8 ms 6612 KB Output is correct
43 Correct 8 ms 6740 KB Output is correct
44 Correct 11 ms 6612 KB Output is correct
45 Correct 34 ms 6860 KB Output is correct
46 Correct 32 ms 6852 KB Output is correct
47 Correct 93 ms 7764 KB Output is correct
48 Correct 9 ms 7380 KB Output is correct
49 Correct 9 ms 7508 KB Output is correct
50 Correct 8 ms 7380 KB Output is correct
51 Correct 77 ms 8792 KB Output is correct
52 Correct 71 ms 8808 KB Output is correct
53 Correct 20 ms 7748 KB Output is correct
54 Correct 6 ms 6996 KB Output is correct
55 Correct 7 ms 6996 KB Output is correct
56 Correct 15 ms 8144 KB Output is correct
57 Correct 132 ms 7904 KB Output is correct
58 Correct 15 ms 7432 KB Output is correct
59 Correct 18 ms 7512 KB Output is correct
60 Correct 20 ms 7508 KB Output is correct
61 Correct 16 ms 7508 KB Output is correct
62 Correct 29 ms 8208 KB Output is correct
63 Correct 63 ms 9312 KB Output is correct
64 Correct 67 ms 9244 KB Output is correct
65 Correct 87 ms 9316 KB Output is correct
66 Correct 441 ms 9416 KB Output is correct
67 Correct 423 ms 9652 KB Output is correct