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Submission #898024

# Submission time Handle Problem Language Result Execution time Memory
898024 2024-01-04T08:06:34 Z votranngocvy Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 223 ms 113764 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define pii pair<int,int>
#define piii pair<pii,int>
#define fi first
#define se second
const int N = 3e4 + 5;
bitset<N>vis[N];
int n,m,s,t,a[N],b[N];
vector<int>vec[N];

int bfs() {
    queue<piii>q;
    q.push({{a[1],b[1]},0});
    vis[a[1]][b[1]] = true;
    while (!q.empty()) {
        int u = q.front().fi.fi,steps = q.front().fi.se,d = q.front().se;
        q.pop();
        if (u == a[2]) return d;
        if (u - steps >= 0 && !vis[u - steps][steps]) {
            vis[u - steps][steps] = true;
            q.push({{u - steps,steps},d + 1});
        }
        if (u + steps < n && !vis[u + steps][steps]) {
            vis[u + steps][steps] = true;
            q.push({{u + steps,steps},d + 1});
        }
        for (auto x: vec[u]) {
            if (u - x >= 0 && !vis[u - x][x]) {
                vis[u - x][x] = true;
                q.push({{u - x,x},d + 1});
            }
            if (u + x < n && !vis[u + x][x]) {
                vis[u + x][x] = true;
                q.push({{u + x,x},d + 1});
            }
        }
    }
    return -1;
}

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin >> n >> m;
    for (int i = 1; i <= m; i++) {
        cin >> a[i] >> b[i];
        vec[a[i]].push_back(b[i]);
    }
    cout << bfs() << "\n";
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2648 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2688 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2692 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2648 KB Output is correct
4 Correct 1 ms 2648 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2684 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 1 ms 2652 KB Output is correct
17 Correct 1 ms 4700 KB Output is correct
18 Correct 1 ms 4700 KB Output is correct
19 Correct 1 ms 4700 KB Output is correct
20 Correct 4 ms 9052 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 2 ms 4700 KB Output is correct
23 Correct 2 ms 7260 KB Output is correct
24 Correct 3 ms 8284 KB Output is correct
25 Correct 2 ms 5724 KB Output is correct
26 Correct 3 ms 8036 KB Output is correct
27 Correct 4 ms 8284 KB Output is correct
28 Correct 3 ms 9052 KB Output is correct
29 Correct 4 ms 8792 KB Output is correct
30 Correct 3 ms 8792 KB Output is correct
31 Correct 4 ms 8792 KB Output is correct
32 Correct 4 ms 8796 KB Output is correct
33 Correct 5 ms 9052 KB Output is correct
34 Correct 4 ms 8916 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2664 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2648 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2648 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct
14 Correct 1 ms 2700 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 1 ms 2652 KB Output is correct
17 Correct 1 ms 4700 KB Output is correct
18 Correct 1 ms 4700 KB Output is correct
19 Correct 1 ms 4696 KB Output is correct
20 Correct 3 ms 9052 KB Output is correct
21 Correct 1 ms 2696 KB Output is correct
22 Correct 1 ms 4700 KB Output is correct
23 Correct 2 ms 7256 KB Output is correct
24 Correct 3 ms 8332 KB Output is correct
25 Correct 2 ms 5724 KB Output is correct
26 Correct 3 ms 8028 KB Output is correct
27 Correct 3 ms 8284 KB Output is correct
28 Correct 3 ms 8992 KB Output is correct
29 Correct 4 ms 8796 KB Output is correct
30 Correct 3 ms 8796 KB Output is correct
31 Correct 5 ms 8948 KB Output is correct
32 Correct 4 ms 8796 KB Output is correct
33 Correct 5 ms 9052 KB Output is correct
34 Correct 4 ms 9052 KB Output is correct
35 Correct 7 ms 7772 KB Output is correct
36 Correct 2 ms 3932 KB Output is correct
37 Correct 6 ms 9564 KB Output is correct
38 Correct 8 ms 10124 KB Output is correct
39 Correct 6 ms 5468 KB Output is correct
40 Correct 6 ms 7564 KB Output is correct
41 Correct 7 ms 11132 KB Output is correct
42 Correct 6 ms 8468 KB Output is correct
43 Correct 6 ms 8924 KB Output is correct
44 Correct 6 ms 9476 KB Output is correct
45 Correct 24 ms 10772 KB Output is correct
46 Correct 21 ms 10856 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2660 KB Output is correct
5 Correct 1 ms 2660 KB Output is correct
6 Correct 1 ms 2912 KB Output is correct
7 Correct 1 ms 2660 KB Output is correct
8 Correct 1 ms 2660 KB Output is correct
9 Correct 1 ms 2660 KB Output is correct
10 Correct 1 ms 2656 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2648 KB Output is correct
13 Correct 1 ms 2652 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 1 ms 2652 KB Output is correct
17 Correct 1 ms 4700 KB Output is correct
18 Correct 1 ms 4700 KB Output is correct
19 Correct 1 ms 4700 KB Output is correct
20 Correct 4 ms 9304 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 1 ms 4700 KB Output is correct
23 Correct 2 ms 7004 KB Output is correct
24 Correct 3 ms 8284 KB Output is correct
25 Correct 2 ms 5724 KB Output is correct
26 Correct 4 ms 8076 KB Output is correct
27 Correct 4 ms 8336 KB Output is correct
28 Correct 4 ms 9052 KB Output is correct
29 Correct 4 ms 9052 KB Output is correct
30 Correct 4 ms 8796 KB Output is correct
31 Correct 4 ms 8796 KB Output is correct
32 Correct 3 ms 8796 KB Output is correct
33 Correct 5 ms 9056 KB Output is correct
34 Correct 5 ms 9048 KB Output is correct
35 Correct 7 ms 7824 KB Output is correct
36 Correct 2 ms 3932 KB Output is correct
37 Correct 6 ms 9564 KB Output is correct
38 Correct 8 ms 10132 KB Output is correct
39 Correct 5 ms 5720 KB Output is correct
40 Correct 6 ms 7516 KB Output is correct
41 Correct 8 ms 11148 KB Output is correct
42 Correct 6 ms 8616 KB Output is correct
43 Correct 6 ms 8924 KB Output is correct
44 Correct 6 ms 9476 KB Output is correct
45 Correct 26 ms 10844 KB Output is correct
46 Correct 21 ms 10936 KB Output is correct
47 Correct 17 ms 33624 KB Output is correct
48 Correct 5 ms 5468 KB Output is correct
49 Correct 5 ms 5212 KB Output is correct
50 Correct 4 ms 5212 KB Output is correct
51 Correct 46 ms 85332 KB Output is correct
52 Correct 46 ms 91732 KB Output is correct
53 Correct 13 ms 18780 KB Output is correct
54 Correct 23 ms 62300 KB Output is correct
55 Correct 30 ms 78704 KB Output is correct
56 Correct 49 ms 112724 KB Output is correct
57 Correct 1 ms 3420 KB Output is correct
58 Correct 45 ms 112180 KB Output is correct
59 Correct 50 ms 104788 KB Output is correct
60 Correct 44 ms 104404 KB Output is correct
61 Correct 41 ms 99540 KB Output is correct
62 Correct 84 ms 112776 KB Output is correct
63 Correct 107 ms 112720 KB Output is correct
64 Correct 123 ms 112924 KB Output is correct
65 Correct 164 ms 112980 KB Output is correct
66 Correct 223 ms 113764 KB Output is correct
67 Correct 157 ms 113680 KB Output is correct