Submission #469863

# Submission time Handle Problem Language Result Execution time Memory
469863 2021-09-02T07:07:19 Z amirmohammad_nezami Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
359 ms 125636 KB
#include <bits/stdc++.h>
using namespace std;

#define F first
#define S second
#define ll long long
#define PB push_back
#define int long long
#define _sz(e) (int)e.size()
#define pii pair <int , int>
#define FAST ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("sse,sse4,avx,avx2")

const ll maxn = 3e4 + 4 , N = 2e6 + 4 , mod = 1e9 + 7 , INF = 1e18 + 4 , lg = 43;

int n , m , b[maxn] , p[maxn] , dist[maxn];
vector <pii> edges[maxn];
set <pii> se;

void dijkstra() {
    fill(dist , dist + maxn , INF);
    priority_queue <pii> pq;
    pq.push({dist[b[0]] = 0 , b[0]});

    while(_sz(pq)) {
        pii cur = pq.top();
        pq.pop();
        int v = cur.S;
        for (auto u : edges[v]) {
            if(dist[v] + u.S < dist[u.F]) {
                dist[u.F] = dist[v] + u.S;
                pq.push({-dist[u.F] , u.F});
            }
        }
    }
}

int32_t main() {
    FAST;
    cin >> n >> m;
    for (int i = 0; i < m; ++i) {
        cin >> b[i] >> p[i];
        se.insert({b[i] , p[i]});
    }
    for (auto v : se) {
        for (int h = v.F + v.S; h < n; h += v.S) {
            edges[v.F].PB({h , (h - v.F) / v.S});
            if(se.find({h , v.S}) != se.end()) break;
        }
        for (int h = v.F - v.S; h >= 0; h -= v.S) {
            edges[v.F].PB({h , (v.F - h) / v.S});
            if(se.find({h , v.S}) != se.end()) break;
        }
    }
    dijkstra();

    cout << (dist[b[1]] == INF ? -1 : dist[b[1]]) << '\n';
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1228 KB Output is correct
2 Correct 1 ms 1252 KB Output is correct
3 Correct 1 ms 1228 KB Output is correct
4 Correct 1 ms 1228 KB Output is correct
5 Correct 1 ms 1228 KB Output is correct
6 Correct 1 ms 1160 KB Output is correct
7 Correct 1 ms 1228 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1228 KB Output is correct
2 Correct 1 ms 1228 KB Output is correct
3 Correct 1 ms 1228 KB Output is correct
4 Correct 1 ms 1228 KB Output is correct
5 Correct 1 ms 1228 KB Output is correct
6 Correct 1 ms 1228 KB Output is correct
7 Correct 1 ms 1228 KB Output is correct
8 Correct 1 ms 1228 KB Output is correct
9 Correct 1 ms 1152 KB Output is correct
10 Correct 1 ms 1228 KB Output is correct
11 Correct 2 ms 1484 KB Output is correct
12 Correct 1 ms 1288 KB Output is correct
13 Correct 1 ms 1228 KB Output is correct
14 Correct 2 ms 1484 KB Output is correct
15 Correct 2 ms 1476 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1176 KB Output is correct
2 Correct 1 ms 1228 KB Output is correct
3 Correct 1 ms 1228 KB Output is correct
4 Correct 1 ms 1228 KB Output is correct
5 Correct 1 ms 1228 KB Output is correct
6 Correct 1 ms 1228 KB Output is correct
7 Correct 1 ms 1228 KB Output is correct
8 Correct 1 ms 1228 KB Output is correct
9 Correct 1 ms 1228 KB Output is correct
10 Correct 1 ms 1228 KB Output is correct
11 Correct 2 ms 1484 KB Output is correct
12 Correct 1 ms 1228 KB Output is correct
13 Correct 1 ms 1228 KB Output is correct
14 Correct 2 ms 1484 KB Output is correct
15 Correct 2 ms 1484 KB Output is correct
16 Correct 2 ms 1356 KB Output is correct
17 Correct 4 ms 1740 KB Output is correct
18 Correct 2 ms 1484 KB Output is correct
19 Correct 2 ms 1416 KB Output is correct
20 Correct 2 ms 1424 KB Output is correct
21 Correct 2 ms 1292 KB Output is correct
22 Correct 2 ms 1356 KB Output is correct
23 Correct 2 ms 1484 KB Output is correct
24 Correct 4 ms 1740 KB Output is correct
25 Correct 3 ms 1612 KB Output is correct
26 Correct 2 ms 1484 KB Output is correct
27 Correct 2 ms 1484 KB Output is correct
28 Correct 4 ms 1868 KB Output is correct
29 Correct 5 ms 2636 KB Output is correct
30 Correct 2 ms 1868 KB Output is correct
31 Correct 3 ms 2124 KB Output is correct
32 Correct 2 ms 1868 KB Output is correct
33 Correct 8 ms 3888 KB Output is correct
34 Correct 8 ms 3920 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1228 KB Output is correct
2 Correct 1 ms 1228 KB Output is correct
3 Correct 1 ms 1228 KB Output is correct
4 Correct 1 ms 1228 KB Output is correct
5 Correct 1 ms 1228 KB Output is correct
6 Correct 1 ms 1228 KB Output is correct
7 Correct 1 ms 1228 KB Output is correct
8 Correct 1 ms 1228 KB Output is correct
9 Correct 1 ms 1228 KB Output is correct
10 Correct 2 ms 1284 KB Output is correct
11 Correct 3 ms 1484 KB Output is correct
12 Correct 1 ms 1228 KB Output is correct
13 Correct 1 ms 1228 KB Output is correct
14 Correct 2 ms 1484 KB Output is correct
15 Correct 2 ms 1484 KB Output is correct
16 Correct 2 ms 1416 KB Output is correct
17 Correct 4 ms 1740 KB Output is correct
18 Correct 2 ms 1484 KB Output is correct
19 Correct 2 ms 1356 KB Output is correct
20 Correct 2 ms 1484 KB Output is correct
21 Correct 2 ms 1312 KB Output is correct
22 Correct 2 ms 1356 KB Output is correct
23 Correct 2 ms 1424 KB Output is correct
24 Correct 4 ms 1740 KB Output is correct
25 Correct 3 ms 1612 KB Output is correct
26 Correct 2 ms 1484 KB Output is correct
27 Correct 2 ms 1420 KB Output is correct
28 Correct 4 ms 1868 KB Output is correct
29 Correct 5 ms 2636 KB Output is correct
30 Correct 2 ms 1868 KB Output is correct
31 Correct 3 ms 2124 KB Output is correct
32 Correct 3 ms 1868 KB Output is correct
33 Correct 7 ms 3920 KB Output is correct
34 Correct 8 ms 3928 KB Output is correct
35 Correct 35 ms 5444 KB Output is correct
36 Correct 6 ms 1996 KB Output is correct
37 Correct 50 ms 6968 KB Output is correct
38 Correct 53 ms 7316 KB Output is correct
39 Correct 54 ms 7364 KB Output is correct
40 Correct 62 ms 7380 KB Output is correct
41 Correct 53 ms 7176 KB Output is correct
42 Correct 8 ms 2124 KB Output is correct
43 Correct 8 ms 2068 KB Output is correct
44 Correct 8 ms 2124 KB Output is correct
45 Correct 42 ms 12104 KB Output is correct
46 Correct 42 ms 12096 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1228 KB Output is correct
2 Correct 1 ms 1228 KB Output is correct
3 Correct 1 ms 1228 KB Output is correct
4 Correct 1 ms 1228 KB Output is correct
5 Correct 1 ms 1228 KB Output is correct
6 Correct 1 ms 1228 KB Output is correct
7 Correct 1 ms 1228 KB Output is correct
8 Correct 1 ms 1228 KB Output is correct
9 Correct 1 ms 1160 KB Output is correct
10 Correct 1 ms 1228 KB Output is correct
11 Correct 3 ms 1484 KB Output is correct
12 Correct 1 ms 1292 KB Output is correct
13 Correct 2 ms 1228 KB Output is correct
14 Correct 2 ms 1484 KB Output is correct
15 Correct 2 ms 1484 KB Output is correct
16 Correct 2 ms 1356 KB Output is correct
17 Correct 4 ms 1740 KB Output is correct
18 Correct 2 ms 1484 KB Output is correct
19 Correct 2 ms 1412 KB Output is correct
20 Correct 2 ms 1484 KB Output is correct
21 Correct 2 ms 1356 KB Output is correct
22 Correct 2 ms 1356 KB Output is correct
23 Correct 2 ms 1484 KB Output is correct
24 Correct 4 ms 1728 KB Output is correct
25 Correct 3 ms 1612 KB Output is correct
26 Correct 2 ms 1484 KB Output is correct
27 Correct 2 ms 1420 KB Output is correct
28 Correct 4 ms 1808 KB Output is correct
29 Correct 4 ms 2636 KB Output is correct
30 Correct 2 ms 1740 KB Output is correct
31 Correct 3 ms 2176 KB Output is correct
32 Correct 2 ms 1868 KB Output is correct
33 Correct 8 ms 3940 KB Output is correct
34 Correct 9 ms 3920 KB Output is correct
35 Correct 36 ms 5408 KB Output is correct
36 Correct 6 ms 2012 KB Output is correct
37 Correct 49 ms 6940 KB Output is correct
38 Correct 53 ms 7364 KB Output is correct
39 Correct 53 ms 7364 KB Output is correct
40 Correct 56 ms 7376 KB Output is correct
41 Correct 52 ms 7156 KB Output is correct
42 Correct 7 ms 2124 KB Output is correct
43 Correct 7 ms 2036 KB Output is correct
44 Correct 8 ms 2124 KB Output is correct
45 Correct 43 ms 12104 KB Output is correct
46 Correct 43 ms 12184 KB Output is correct
47 Correct 181 ms 20892 KB Output is correct
48 Correct 55 ms 7556 KB Output is correct
49 Correct 38 ms 5804 KB Output is correct
50 Correct 31 ms 5224 KB Output is correct
51 Correct 99 ms 11216 KB Output is correct
52 Correct 106 ms 12356 KB Output is correct
53 Correct 35 ms 6924 KB Output is correct
54 Correct 3 ms 2124 KB Output is correct
55 Correct 5 ms 3016 KB Output is correct
56 Correct 24 ms 5124 KB Output is correct
57 Correct 81 ms 18464 KB Output is correct
58 Correct 10 ms 3900 KB Output is correct
59 Correct 13 ms 4484 KB Output is correct
60 Correct 16 ms 5912 KB Output is correct
61 Correct 18 ms 4552 KB Output is correct
62 Correct 100 ms 13600 KB Output is correct
63 Correct 117 ms 44860 KB Output is correct
64 Correct 124 ms 51576 KB Output is correct
65 Correct 179 ms 71228 KB Output is correct
66 Correct 359 ms 125428 KB Output is correct
67 Correct 343 ms 125636 KB Output is correct