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

skyscraper

#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';
}

Subtask #1
10.0 / 10.0

#	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

Subtask #2
12.0 / 12.0

#	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

Subtask #3
14.0 / 14.0

#	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

Subtask #4
21.0 / 21.0

#	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

Subtask #5
43.0 / 43.0

#	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

Submission #469863

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 14.0 / 14.0

Subtask #4 21.0 / 21.0

Subtask #5 43.0 / 43.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
14.0 / 14.0

Subtask #4
21.0 / 21.0

Subtask #5
43.0 / 43.0