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답안 #1038130

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1038130 2024-07-29T13:20:34 Z stdfloat Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 27 ms 3812 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long;

#define ff  first
#define ss  second
#define pii pair<int, int>

int main() {
    ios::sync_with_stdio(false); cin.tie(nullptr);

    int n, m;
    cin >> n >> m;

    int tx;
    vector<int> dis(n, INT_MAX);
    vector<set<int>> p(n);
    priority_queue<pii> q;
    for (int i = 0; i < m; i++) {
        int x, y;
        cin >> x >> y;

        p[x].insert(y);

        if (!i) {
            dis[x] = 0;
            q.push({0, x});
        }
        else if (i == 1) tx = x;
    }

    while (!q.empty()) {
        auto [d, x] = q.top(); d = -d; q.pop();

        if (d != dis[x]) continue;

        for (auto j : p[x]) {
            for (int i = x + j; i < n; i += j) {
                if (!p[i].empty() && d + abs(i - x) / j < dis[i]) {
                    dis[i] = d + abs(i - x) / j;
                    q.push({-dis[i], i});
                }

                if (p[i].find(j) != p[i].end()) break;
            }
            for (int i = x - j; i >= 0; i -= j) {
                if (!p[i].empty() && d + abs(i - x) / j < dis[i]) {
                    dis[i] = d + abs(i - x) / j;
                    q.push({-dis[i], i});
                }

                if (p[i].find(j) != p[i].end()) break;
            }
        }
    }

    cout << (dis[tx] == INT_MAX ? -1 : dis[tx]);
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:58:20: warning: 'tx' may be used uninitialized in this function [-Wmaybe-uninitialized]
   58 |     cout << (dis[tx] == INT_MAX ? -1 : dis[tx]);
      |                    ^

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 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

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 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 348 KB Output is correct
11 Correct 1 ms 348 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 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 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 348 KB Output is correct
9 Correct 0 ms 600 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 1 ms 600 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 856 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 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 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 348 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 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 600 KB Output is correct
34 Correct 1 ms 600 KB Output is correct
35 Correct 10 ms 1776 KB Output is correct
36 Correct 2 ms 600 KB Output is correct
37 Correct 10 ms 1564 KB Output is correct
38 Correct 13 ms 1972 KB Output is correct
39 Correct 13 ms 1884 KB Output is correct
40 Correct 13 ms 1884 KB Output is correct
41 Correct 14 ms 1884 KB Output is correct
42 Correct 4 ms 564 KB Output is correct
43 Correct 3 ms 348 KB Output is correct
44 Correct 3 ms 604 KB Output is correct
45 Correct 10 ms 1836 KB Output is correct
46 Correct 10 ms 1860 KB Output is correct

Subtask #5
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 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 364 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 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 344 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 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 10 ms 1628 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 10 ms 1368 KB Output is correct
38 Correct 15 ms 1884 KB Output is correct
39 Correct 16 ms 2236 KB Output is correct
40 Correct 12 ms 2140 KB Output is correct
41 Correct 11 ms 1880 KB Output is correct
42 Correct 2 ms 348 KB Output is correct
43 Correct 2 ms 348 KB Output is correct
44 Correct 3 ms 604 KB Output is correct
45 Correct 10 ms 1884 KB Output is correct
46 Correct 10 ms 1880 KB Output is correct
47 Correct 22 ms 2540 KB Output is correct
48 Correct 5 ms 2652 KB Output is correct
49 Correct 5 ms 2652 KB Output is correct
50 Correct 4 ms 2396 KB Output is correct
51 Correct 18 ms 3812 KB Output is correct
52 Correct 18 ms 3800 KB Output is correct
53 Correct 14 ms 3676 KB Output is correct
54 Correct 1 ms 1884 KB Output is correct
55 Correct 1 ms 1884 KB Output is correct
56 Correct 6 ms 3164 KB Output is correct
57 Correct 4 ms 2140 KB Output is correct
58 Correct 3 ms 1884 KB Output is correct
59 Correct 3 ms 1880 KB Output is correct
60 Correct 4 ms 1884 KB Output is correct
61 Correct 4 ms 2140 KB Output is correct
62 Correct 10 ms 3164 KB Output is correct
63 Correct 14 ms 3420 KB Output is correct
64 Correct 16 ms 3420 KB Output is correct
65 Correct 23 ms 3672 KB Output is correct
66 Correct 27 ms 3416 KB Output is correct
67 Correct 24 ms 3416 KB Output is correct