oj.uz

Submission #612612

# Submission time Handle Problem Language Result Execution time Memory
612612 2022-07-29T18:17:24 Z Jomnoi Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 942 ms 222524 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;

const short MAX_N = 30000;
const int MAX_W = 7350000;

short qb[MAX_W], qp[MAX_W];
short B[MAX_N], P[MAX_N];
gp_hash_table <short, int> dist[MAX_N];
vector <short> graph[MAX_N];

int main() {
    short N, M;
    cin >> N >> M;
    for(short i = 0; i < M; i++) {
        cin >> B[i] >> P[i];

        graph[B[i]].push_back(P[i]);
    }

    for(short i = 0; i < N; i++) {
        sort(graph[i].begin(), graph[i].end());
        graph[i].resize(unique(graph[i].begin(), graph[i].end()) - graph[i].begin());
    }

    int l = 0, r = 0;
    qb[r] = B[0];
    qp[r++] = P[0];
    dist[B[0]][P[0]] = 0;
    while(l < r) {
        short b = qb[l], p = qp[l++];

        if(b == B[1]) {
            cout << dist[b][p];
            return 0;
        }
        if(b - p >= 0 and dist[b - p].find(p) == dist[b - p].end()) {
            dist[b - p][p] = dist[b][p] + 1;
            qb[r] = b - p;
            qp[r++] = p;
        }
        if(b + p < N and dist[b + p].find(p) == dist[b + p].end()) {
            dist[b + p][p] = dist[b][p] + 1;
            qb[r] = b + p;
            qp[r++] = p;
        }

        for(short p2 : graph[b]) {
            if(b - p2 >= 0 and dist[b - p2].find(p2) == dist[b - p2].end()) {
                dist[b - p2][p2] = dist[b][p] + 1;
                qb[r] = b - p2;
                qp[r++] = p2;
            }
            if(b + p2 < N and dist[b + p2].find(p2) == dist[b + p2].end()) {
                dist[b + p2][p2] = dist[b][p] + 1;
                qb[r] = b + p2;
                qp[r++] = p2;
            }
        }
    }
    cout << -1;
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7376 KB Output is correct
2 Correct 6 ms 7252 KB Output is correct
3 Correct 6 ms 7380 KB Output is correct
4 Correct 6 ms 7252 KB Output is correct
5 Correct 6 ms 7368 KB Output is correct
6 Correct 6 ms 7252 KB Output is correct
7 Correct 6 ms 7252 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7332 KB Output is correct
2 Correct 6 ms 7252 KB Output is correct
3 Correct 6 ms 7332 KB Output is correct
4 Correct 6 ms 7380 KB Output is correct
5 Correct 6 ms 7252 KB Output is correct
6 Correct 6 ms 7252 KB Output is correct
7 Correct 6 ms 7256 KB Output is correct
8 Correct 6 ms 7252 KB Output is correct
9 Correct 5 ms 7380 KB Output is correct
10 Correct 6 ms 7380 KB Output is correct
11 Correct 7 ms 7336 KB Output is correct
12 Correct 6 ms 7380 KB Output is correct
13 Correct 8 ms 7380 KB Output is correct
14 Correct 8 ms 7508 KB Output is correct
15 Correct 8 ms 7496 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 7252 KB Output is correct
2 Correct 6 ms 7340 KB Output is correct
3 Correct 6 ms 7348 KB Output is correct
4 Correct 6 ms 7252 KB Output is correct
5 Correct 6 ms 7252 KB Output is correct
6 Correct 6 ms 7252 KB Output is correct
7 Correct 5 ms 7252 KB Output is correct
8 Correct 6 ms 7252 KB Output is correct
9 Correct 6 ms 7252 KB Output is correct
10 Correct 6 ms 7380 KB Output is correct
11 Correct 7 ms 7320 KB Output is correct
12 Correct 7 ms 7388 KB Output is correct
13 Correct 7 ms 7380 KB Output is correct
14 Correct 8 ms 7508 KB Output is correct
15 Correct 7 ms 7464 KB Output is correct
16 Correct 6 ms 7380 KB Output is correct
17 Correct 8 ms 7508 KB Output is correct
18 Correct 6 ms 7380 KB Output is correct
19 Correct 6 ms 7380 KB Output is correct
20 Correct 7 ms 7380 KB Output is correct
21 Correct 6 ms 7380 KB Output is correct
22 Correct 6 ms 7380 KB Output is correct
23 Correct 7 ms 7380 KB Output is correct
24 Correct 9 ms 7508 KB Output is correct
25 Correct 7 ms 7380 KB Output is correct
26 Correct 7 ms 7380 KB Output is correct
27 Correct 7 ms 7380 KB Output is correct
28 Correct 10 ms 8020 KB Output is correct
29 Correct 12 ms 9792 KB Output is correct
30 Correct 8 ms 7892 KB Output is correct
31 Correct 10 ms 8776 KB Output is correct
32 Correct 9 ms 8020 KB Output is correct
33 Correct 15 ms 11364 KB Output is correct
34 Correct 13 ms 9556 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 7292 KB Output is correct
2 Correct 6 ms 7252 KB Output is correct
3 Correct 5 ms 7252 KB Output is correct
4 Correct 6 ms 7288 KB Output is correct
5 Correct 7 ms 7252 KB Output is correct
6 Correct 6 ms 7348 KB Output is correct
7 Correct 6 ms 7252 KB Output is correct
8 Correct 6 ms 7252 KB Output is correct
9 Correct 7 ms 7252 KB Output is correct
10 Correct 5 ms 7380 KB Output is correct
11 Correct 6 ms 7380 KB Output is correct
12 Correct 7 ms 7380 KB Output is correct
13 Correct 9 ms 7380 KB Output is correct
14 Correct 9 ms 7508 KB Output is correct
15 Correct 8 ms 7544 KB Output is correct
16 Correct 6 ms 7380 KB Output is correct
17 Correct 7 ms 7508 KB Output is correct
18 Correct 8 ms 7380 KB Output is correct
19 Correct 6 ms 7392 KB Output is correct
20 Correct 7 ms 7380 KB Output is correct
21 Correct 7 ms 7380 KB Output is correct
22 Correct 7 ms 7380 KB Output is correct
23 Correct 7 ms 7508 KB Output is correct
24 Correct 10 ms 7508 KB Output is correct
25 Correct 8 ms 7380 KB Output is correct
26 Correct 7 ms 7380 KB Output is correct
27 Correct 6 ms 7472 KB Output is correct
28 Correct 10 ms 8064 KB Output is correct
29 Correct 12 ms 9812 KB Output is correct
30 Correct 8 ms 7892 KB Output is correct
31 Correct 10 ms 8808 KB Output is correct
32 Correct 9 ms 7984 KB Output is correct
33 Correct 17 ms 11356 KB Output is correct
34 Correct 12 ms 9556 KB Output is correct
35 Correct 22 ms 8492 KB Output is correct
36 Correct 8 ms 7380 KB Output is correct
37 Correct 26 ms 8312 KB Output is correct
38 Correct 23 ms 8080 KB Output is correct
39 Correct 21 ms 7548 KB Output is correct
40 Correct 21 ms 7544 KB Output is correct
41 Correct 20 ms 7680 KB Output is correct
42 Correct 17 ms 7556 KB Output is correct
43 Correct 17 ms 7508 KB Output is correct
44 Correct 17 ms 7508 KB Output is correct
45 Correct 83 ms 21808 KB Output is correct
46 Correct 81 ms 17316 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7252 KB Output is correct
2 Correct 6 ms 7252 KB Output is correct
3 Correct 6 ms 7252 KB Output is correct
4 Correct 6 ms 7380 KB Output is correct
5 Correct 6 ms 7252 KB Output is correct
6 Correct 6 ms 7296 KB Output is correct
7 Correct 7 ms 7256 KB Output is correct
8 Correct 6 ms 7252 KB Output is correct
9 Correct 6 ms 7256 KB Output is correct
10 Correct 6 ms 7252 KB Output is correct
11 Correct 6 ms 7380 KB Output is correct
12 Correct 6 ms 7380 KB Output is correct
13 Correct 8 ms 7380 KB Output is correct
14 Correct 7 ms 7508 KB Output is correct
15 Correct 8 ms 7576 KB Output is correct
16 Correct 7 ms 7380 KB Output is correct
17 Correct 7 ms 7508 KB Output is correct
18 Correct 8 ms 7380 KB Output is correct
19 Correct 6 ms 7380 KB Output is correct
20 Correct 7 ms 7372 KB Output is correct
21 Correct 6 ms 7380 KB Output is correct
22 Correct 6 ms 7300 KB Output is correct
23 Correct 7 ms 7468 KB Output is correct
24 Correct 8 ms 7508 KB Output is correct
25 Correct 8 ms 7380 KB Output is correct
26 Correct 9 ms 7412 KB Output is correct
27 Correct 8 ms 7464 KB Output is correct
28 Correct 10 ms 8008 KB Output is correct
29 Correct 11 ms 9816 KB Output is correct
30 Correct 11 ms 7920 KB Output is correct
31 Correct 10 ms 8788 KB Output is correct
32 Correct 11 ms 8040 KB Output is correct
33 Correct 16 ms 11348 KB Output is correct
34 Correct 12 ms 9616 KB Output is correct
35 Correct 24 ms 8396 KB Output is correct
36 Correct 9 ms 7420 KB Output is correct
37 Correct 19 ms 8308 KB Output is correct
38 Correct 25 ms 8032 KB Output is correct
39 Correct 19 ms 7508 KB Output is correct
40 Correct 20 ms 7632 KB Output is correct
41 Correct 20 ms 7728 KB Output is correct
42 Correct 20 ms 7532 KB Output is correct
43 Correct 19 ms 7596 KB Output is correct
44 Correct 21 ms 7620 KB Output is correct
45 Correct 85 ms 21736 KB Output is correct
46 Correct 77 ms 17220 KB Output is correct
47 Correct 19 ms 7988 KB Output is correct
48 Correct 17 ms 7892 KB Output is correct
49 Correct 17 ms 7892 KB Output is correct
50 Correct 14 ms 7792 KB Output is correct
51 Correct 31 ms 8780 KB Output is correct
52 Correct 35 ms 9104 KB Output is correct
53 Correct 23 ms 8068 KB Output is correct
54 Correct 9 ms 7380 KB Output is correct
55 Correct 8 ms 7380 KB Output is correct
56 Correct 21 ms 8404 KB Output is correct
57 Correct 8 ms 7380 KB Output is correct
58 Correct 20 ms 8788 KB Output is correct
59 Correct 22 ms 8164 KB Output is correct
60 Correct 21 ms 8224 KB Output is correct
61 Correct 23 ms 8188 KB Output is correct
62 Correct 118 ms 24384 KB Output is correct
63 Correct 543 ms 108548 KB Output is correct
64 Correct 656 ms 112076 KB Output is correct
65 Correct 942 ms 195316 KB Output is correct
66 Correct 882 ms 222524 KB Output is correct
67 Correct 538 ms 139340 KB Output is correct