Submission #161664

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
161664	2019-11-03T14:18:42 Z	nvmdava	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	100 / 100	951 ms	3808 KB

skyscraper

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ff first
#define ss second
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define N 30005
#define INF 0x3f3f3f3f3f3f3f3f
#define MOD 1000000007LL
 
priority_queue<pair<int, int> > pq;

vector<int> dog[N];
 
bool vis[N];
int dist[N];
int n;

void go(int v){
	vis[v] = 1;
	for(int& x : dog[v]){
		for(int i = v + x, a = 1; i < n; i += x, ++a){
			if(dist[i] > dist[v] + a){
				dist[i] = dist[v] + a;
				pq.push({-dist[i], i});
			}
		}
		for(int i = v - x, a = 1; i >= 0; i -= x, ++a){
			if(dist[i] > dist[v] + a){
				dist[i] = dist[v] + a;
				pq.push({-dist[i], i});
			}
		}
	}
}

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int m;
    cin>>n>>m;
    int b, p;
    int s, e;
    cin>>s>>p;
    dog[s].push_back(p);
    cin>>e>>p;
    dog[e].push_back(p);
    m -= 2;

    memset(dist, 0x3f, sizeof dist);

    while(m--){
    	cin>>b>>p;
    	dog[b].push_back(p);
    }

    pq.push({0, s});
    dist[s] = 0;

    while(!pq.empty()){
    	int a = pq.top().ss;
    	pq.pop();
    	if(a == e){
    		cout<<dist[e];
    		return 0;
    	}
    	if(!vis[a])
    		go(a);
    }

    cout<<-1;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	1144 KB	Output is correct
2	Correct	3 ms	1144 KB	Output is correct
3	Correct	3 ms	1144 KB	Output is correct
4	Correct	3 ms	1144 KB	Output is correct
5	Correct	3 ms	1144 KB	Output is correct
6	Correct	3 ms	1144 KB	Output is correct
7	Correct	2 ms	1144 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	1148 KB	Output is correct
2	Correct	3 ms	1144 KB	Output is correct
3	Correct	3 ms	1144 KB	Output is correct
4	Correct	3 ms	1144 KB	Output is correct
5	Correct	3 ms	1144 KB	Output is correct
6	Correct	3 ms	1144 KB	Output is correct
7	Correct	3 ms	1144 KB	Output is correct
8	Correct	3 ms	1144 KB	Output is correct
9	Correct	3 ms	1144 KB	Output is correct
10	Correct	3 ms	1144 KB	Output is correct
11	Correct	3 ms	1144 KB	Output is correct
12	Correct	3 ms	1272 KB	Output is correct
13	Correct	3 ms	1144 KB	Output is correct
14	Correct	4 ms	1272 KB	Output is correct
15	Correct	3 ms	1144 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	1144 KB	Output is correct
2	Correct	3 ms	1144 KB	Output is correct
3	Correct	3 ms	1140 KB	Output is correct
4	Correct	12 ms	1144 KB	Output is correct
5	Correct	3 ms	1144 KB	Output is correct
6	Correct	4 ms	1144 KB	Output is correct
7	Correct	3 ms	1144 KB	Output is correct
8	Correct	3 ms	1144 KB	Output is correct
9	Correct	9 ms	1144 KB	Output is correct
10	Correct	3 ms	1144 KB	Output is correct
11	Correct	3 ms	1144 KB	Output is correct
12	Correct	3 ms	1272 KB	Output is correct
13	Correct	4 ms	1144 KB	Output is correct
14	Correct	3 ms	1272 KB	Output is correct
15	Correct	3 ms	1144 KB	Output is correct
16	Correct	3 ms	1116 KB	Output is correct
17	Correct	3 ms	1272 KB	Output is correct
18	Correct	3 ms	1272 KB	Output is correct
19	Correct	3 ms	1144 KB	Output is correct
20	Correct	7 ms	1232 KB	Output is correct
21	Correct	3 ms	1272 KB	Output is correct
22	Correct	3 ms	1144 KB	Output is correct
23	Correct	3 ms	1144 KB	Output is correct
24	Correct	4 ms	1272 KB	Output is correct
25	Correct	3 ms	1276 KB	Output is correct
26	Correct	4 ms	1272 KB	Output is correct
27	Correct	3 ms	1264 KB	Output is correct
28	Correct	3 ms	1272 KB	Output is correct
29	Correct	4 ms	1272 KB	Output is correct
30	Correct	4 ms	1272 KB	Output is correct
31	Correct	4 ms	1272 KB	Output is correct
32	Correct	3 ms	1272 KB	Output is correct
33	Correct	4 ms	1388 KB	Output is correct
34	Correct	4 ms	1400 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	1144 KB	Output is correct
2	Correct	3 ms	1144 KB	Output is correct
3	Correct	3 ms	1116 KB	Output is correct
4	Correct	3 ms	1144 KB	Output is correct
5	Correct	3 ms	1144 KB	Output is correct
6	Correct	3 ms	1148 KB	Output is correct
7	Correct	3 ms	1144 KB	Output is correct
8	Correct	3 ms	1144 KB	Output is correct
9	Correct	3 ms	1144 KB	Output is correct
10	Correct	3 ms	1144 KB	Output is correct
11	Correct	3 ms	1144 KB	Output is correct
12	Correct	3 ms	1144 KB	Output is correct
13	Correct	3 ms	1144 KB	Output is correct
14	Correct	4 ms	1144 KB	Output is correct
15	Correct	3 ms	1272 KB	Output is correct
16	Correct	3 ms	1144 KB	Output is correct
17	Correct	4 ms	1272 KB	Output is correct
18	Correct	3 ms	1144 KB	Output is correct
19	Correct	3 ms	1144 KB	Output is correct
20	Correct	7 ms	1272 KB	Output is correct
21	Correct	3 ms	1144 KB	Output is correct
22	Correct	3 ms	1272 KB	Output is correct
23	Correct	3 ms	1320 KB	Output is correct
24	Correct	4 ms	1272 KB	Output is correct
25	Correct	3 ms	1272 KB	Output is correct
26	Correct	3 ms	1144 KB	Output is correct
27	Correct	3 ms	1272 KB	Output is correct
28	Correct	3 ms	1272 KB	Output is correct
29	Correct	4 ms	1272 KB	Output is correct
30	Correct	4 ms	1272 KB	Output is correct
31	Correct	4 ms	1272 KB	Output is correct
32	Correct	3 ms	1272 KB	Output is correct
33	Correct	4 ms	1272 KB	Output is correct
34	Correct	4 ms	1404 KB	Output is correct
35	Correct	11 ms	1656 KB	Output is correct
36	Correct	4 ms	1232 KB	Output is correct
37	Correct	9 ms	1660 KB	Output is correct
38	Correct	12 ms	1784 KB	Output is correct
39	Correct	10 ms	1656 KB	Output is correct
40	Correct	11 ms	1784 KB	Output is correct
41	Correct	12 ms	1784 KB	Output is correct
42	Correct	8 ms	1656 KB	Output is correct
43	Correct	8 ms	1572 KB	Output is correct
44	Correct	64 ms	1656 KB	Output is correct
45	Correct	11 ms	1656 KB	Output is correct
46	Correct	10 ms	1656 KB	Output is correct

Subtask #5
43.0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	1144 KB	Output is correct
2	Correct	3 ms	1144 KB	Output is correct
3	Correct	3 ms	1144 KB	Output is correct
4	Correct	3 ms	1144 KB	Output is correct
5	Correct	2 ms	1144 KB	Output is correct
6	Correct	3 ms	1144 KB	Output is correct
7	Correct	3 ms	1148 KB	Output is correct
8	Correct	3 ms	1148 KB	Output is correct
9	Correct	3 ms	1144 KB	Output is correct
10	Correct	3 ms	1144 KB	Output is correct
11	Correct	3 ms	1144 KB	Output is correct
12	Correct	3 ms	1272 KB	Output is correct
13	Correct	3 ms	1148 KB	Output is correct
14	Correct	3 ms	1144 KB	Output is correct
15	Correct	3 ms	1144 KB	Output is correct
16	Correct	3 ms	1260 KB	Output is correct
17	Correct	4 ms	1272 KB	Output is correct
18	Correct	3 ms	1272 KB	Output is correct
19	Correct	3 ms	1144 KB	Output is correct
20	Correct	7 ms	1272 KB	Output is correct
21	Correct	3 ms	1144 KB	Output is correct
22	Correct	3 ms	1144 KB	Output is correct
23	Correct	3 ms	1272 KB	Output is correct
24	Correct	4 ms	1244 KB	Output is correct
25	Correct	4 ms	1276 KB	Output is correct
26	Correct	3 ms	1272 KB	Output is correct
27	Correct	4 ms	1272 KB	Output is correct
28	Correct	4 ms	1272 KB	Output is correct
29	Correct	4 ms	1272 KB	Output is correct
30	Correct	4 ms	1276 KB	Output is correct
31	Correct	4 ms	1272 KB	Output is correct
32	Correct	3 ms	1272 KB	Output is correct
33	Correct	4 ms	1400 KB	Output is correct
34	Correct	4 ms	1400 KB	Output is correct
35	Correct	10 ms	1656 KB	Output is correct
36	Correct	4 ms	1272 KB	Output is correct
37	Correct	8 ms	1656 KB	Output is correct
38	Correct	11 ms	1784 KB	Output is correct
39	Correct	11 ms	1656 KB	Output is correct
40	Correct	11 ms	1784 KB	Output is correct
41	Correct	11 ms	1784 KB	Output is correct
42	Correct	22 ms	1656 KB	Output is correct
43	Correct	8 ms	1656 KB	Output is correct
44	Correct	62 ms	1656 KB	Output is correct
45	Correct	10 ms	1656 KB	Output is correct
46	Correct	10 ms	1656 KB	Output is correct
47	Correct	13 ms	2420 KB	Output is correct
48	Correct	11 ms	1912 KB	Output is correct
49	Correct	10 ms	1912 KB	Output is correct
50	Correct	8 ms	1656 KB	Output is correct
51	Correct	22 ms	3184 KB	Output is correct
52	Correct	23 ms	2676 KB	Output is correct
53	Correct	14 ms	2296 KB	Output is correct
54	Correct	4 ms	1400 KB	Output is correct
55	Correct	5 ms	1400 KB	Output is correct
56	Correct	890 ms	2808 KB	Output is correct
57	Correct	6 ms	2468 KB	Output is correct
58	Correct	951 ms	1756 KB	Output is correct
59	Correct	13 ms	1784 KB	Output is correct
60	Correct	11 ms	1784 KB	Output is correct
61	Correct	11 ms	1912 KB	Output is correct
62	Correct	18 ms	2424 KB	Output is correct
63	Correct	33 ms	2800 KB	Output is correct
64	Correct	30 ms	2800 KB	Output is correct
65	Correct	33 ms	2800 KB	Output is correct
66	Correct	45 ms	3692 KB	Output is correct
67	Correct	36 ms	3808 KB	Output is correct

Submission #161664

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