Submission #1014274

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1014274	2024-07-04T15:50:39 Z	aufan	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	100 / 100	478 ms	6088 KB

skyscraper

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define fi first
#define se second
using namespace std;
const int MAXN = 3e4+10;
const int INF = 1e9+10;
typedef pair<int,int> pii;
typedef pair<int,pii> ipii;
 
int en, n, m;
int dis[MAXN], a[MAXN], b[MAXN];
vector <int> adj[MAXN];
priority_queue <pii,vector<pii>,greater<pii>> pq;
 
signed main(){
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin >> n >> m;
	for(int i=1; i<=m; i++){
		cin >> a[i] >> b[i]; a[i]++;
		adj[a[i]].pb(b[i]);
		if(i==1) pq.push({0, a[i]});
		if(i==2) en = a[i];
	}
	for(int i=1; i<=n; i++){
		sort(adj[i].begin(), adj[i].end());
		adj[i].resize(unique(adj[i].begin(), adj[i].end()) - adj[i].begin());
		dis[i] = INF;
	}
	dis[a[1]] = 0; 
	
	while(!pq.empty()){
		int dist = pq.top().fi, nw = pq.top().se; pq.pop();
		if(nw==en){
			cout << dis[nw] << '\n';
			exit(0);
		}
 
		if(dist > dis[nw]) continue;
		for(auto pow : adj[nw]){
			int cnt = 1;
			for(int i=nw+pow; i<=n; i+=pow){
				if(dis[i] > dis[nw]+cnt){
					dis[i] = dis[nw]+cnt;
					pq.push({dis[i], i});
				}
				cnt++;
			}
			cnt = 1;
			for(int i=nw-pow; i>=1; i-=pow){
				if(dis[i] > dis[nw]+cnt){
					dis[i] = dis[nw]+cnt;
					pq.push({dis[i], i});
				}
				cnt++;
			}
		}
	}
	cout << "-1\n";
}

Subtask #1
10.0 / 10.0

#	Verdict	Memory	Grader output
1	Correct	1112 KB	Output is correct
2	Correct	1116 KB	Output is correct
3	Correct	1116 KB	Output is correct
4	Correct	1116 KB	Output is correct
5	Correct	1116 KB	Output is correct
6	Correct	1116 KB	Output is correct
7	Correct	1116 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1116 KB	Output is correct
2	Correct	0 ms	1116 KB	Output is correct
3	Correct	0 ms	1116 KB	Output is correct
4	Correct	0 ms	1116 KB	Output is correct
5	Correct	0 ms	1116 KB	Output is correct
6	Correct	0 ms	1116 KB	Output is correct
7	Correct	0 ms	1116 KB	Output is correct
8	Correct	0 ms	1116 KB	Output is correct
9	Correct	0 ms	1116 KB	Output is correct
10	Correct	0 ms	1116 KB	Output is correct
11	Correct	1 ms	1036 KB	Output is correct
12	Correct	0 ms	1116 KB	Output is correct
13	Correct	0 ms	1200 KB	Output is correct
14	Correct	1 ms	1116 KB	Output is correct
15	Correct	1 ms	1116 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	1116 KB	Output is correct
2	Correct	1 ms	1116 KB	Output is correct
3	Correct	1 ms	1116 KB	Output is correct
4	Correct	0 ms	1116 KB	Output is correct
5	Correct	0 ms	1116 KB	Output is correct
6	Correct	0 ms	1116 KB	Output is correct
7	Correct	1 ms	1116 KB	Output is correct
8	Correct	0 ms	1116 KB	Output is correct
9	Correct	0 ms	1116 KB	Output is correct
10	Correct	1 ms	1116 KB	Output is correct
11	Correct	1 ms	1368 KB	Output is correct
12	Correct	1 ms	1116 KB	Output is correct
13	Correct	1 ms	1116 KB	Output is correct
14	Correct	1 ms	1128 KB	Output is correct
15	Correct	1 ms	1116 KB	Output is correct
16	Correct	1 ms	1116 KB	Output is correct
17	Correct	1 ms	1116 KB	Output is correct
18	Correct	1 ms	1192 KB	Output is correct
19	Correct	1 ms	1116 KB	Output is correct
20	Correct	3 ms	1116 KB	Output is correct
21	Correct	1 ms	1116 KB	Output is correct
22	Correct	1 ms	1116 KB	Output is correct
23	Correct	1 ms	1116 KB	Output is correct
24	Correct	1 ms	1116 KB	Output is correct
25	Correct	1 ms	1116 KB	Output is correct
26	Correct	1 ms	1140 KB	Output is correct
27	Correct	1 ms	1112 KB	Output is correct
28	Correct	1 ms	1116 KB	Output is correct
29	Correct	2 ms	1372 KB	Output is correct
30	Correct	1 ms	1292 KB	Output is correct
31	Correct	1 ms	1116 KB	Output is correct
32	Correct	1 ms	1116 KB	Output is correct
33	Correct	3 ms	1504 KB	Output is correct
34	Correct	2 ms	1504 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1116 KB	Output is correct
2	Correct	1 ms	1112 KB	Output is correct
3	Correct	1 ms	1116 KB	Output is correct
4	Correct	0 ms	1116 KB	Output is correct
5	Correct	1 ms	1116 KB	Output is correct
6	Correct	1 ms	1116 KB	Output is correct
7	Correct	1 ms	1116 KB	Output is correct
8	Correct	1 ms	1116 KB	Output is correct
9	Correct	0 ms	1116 KB	Output is correct
10	Correct	1 ms	1116 KB	Output is correct
11	Correct	1 ms	1116 KB	Output is correct
12	Correct	1 ms	1116 KB	Output is correct
13	Correct	1 ms	1116 KB	Output is correct
14	Correct	1 ms	1116 KB	Output is correct
15	Correct	1 ms	1116 KB	Output is correct
16	Correct	1 ms	1116 KB	Output is correct
17	Correct	1 ms	1116 KB	Output is correct
18	Correct	1 ms	1116 KB	Output is correct
19	Correct	1 ms	1116 KB	Output is correct
20	Correct	3 ms	1204 KB	Output is correct
21	Correct	1 ms	1116 KB	Output is correct
22	Correct	1 ms	1116 KB	Output is correct
23	Correct	1 ms	1116 KB	Output is correct
24	Correct	1 ms	1116 KB	Output is correct
25	Correct	1 ms	1116 KB	Output is correct
26	Correct	1 ms	1116 KB	Output is correct
27	Correct	1 ms	1116 KB	Output is correct
28	Correct	1 ms	1112 KB	Output is correct
29	Correct	2 ms	1372 KB	Output is correct
30	Correct	1 ms	1116 KB	Output is correct
31	Correct	1 ms	1116 KB	Output is correct
32	Correct	1 ms	1116 KB	Output is correct
33	Correct	4 ms	1504 KB	Output is correct
34	Correct	2 ms	1504 KB	Output is correct
35	Correct	5 ms	1484 KB	Output is correct
36	Correct	1 ms	1116 KB	Output is correct
37	Correct	4 ms	1624 KB	Output is correct
38	Correct	5 ms	1628 KB	Output is correct
39	Correct	4 ms	1628 KB	Output is correct
40	Correct	4 ms	1628 KB	Output is correct
41	Correct	4 ms	1628 KB	Output is correct
42	Correct	3 ms	1628 KB	Output is correct
43	Correct	3 ms	1628 KB	Output is correct
44	Correct	5 ms	1628 KB	Output is correct
45	Correct	5 ms	1892 KB	Output is correct
46	Correct	4 ms	1832 KB	Output is correct

Subtask #5
43.0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1116 KB	Output is correct
2	Correct	0 ms	1116 KB	Output is correct
3	Correct	1 ms	1116 KB	Output is correct
4	Correct	1 ms	1116 KB	Output is correct
5	Correct	1 ms	1116 KB	Output is correct
6	Correct	1 ms	1116 KB	Output is correct
7	Correct	1 ms	1116 KB	Output is correct
8	Correct	1 ms	1116 KB	Output is correct
9	Correct	1 ms	1116 KB	Output is correct
10	Correct	1 ms	1116 KB	Output is correct
11	Correct	1 ms	1116 KB	Output is correct
12	Correct	1 ms	1116 KB	Output is correct
13	Correct	1 ms	1116 KB	Output is correct
14	Correct	1 ms	1116 KB	Output is correct
15	Correct	1 ms	1116 KB	Output is correct
16	Correct	1 ms	1116 KB	Output is correct
17	Correct	2 ms	1116 KB	Output is correct
18	Correct	1 ms	1116 KB	Output is correct
19	Correct	1 ms	1116 KB	Output is correct
20	Correct	3 ms	1196 KB	Output is correct
21	Correct	1 ms	1116 KB	Output is correct
22	Correct	1 ms	1116 KB	Output is correct
23	Correct	1 ms	1116 KB	Output is correct
24	Correct	1 ms	1112 KB	Output is correct
25	Correct	1 ms	1116 KB	Output is correct
26	Correct	1 ms	1116 KB	Output is correct
27	Correct	2 ms	1116 KB	Output is correct
28	Correct	1 ms	1116 KB	Output is correct
29	Correct	2 ms	1372 KB	Output is correct
30	Correct	1 ms	1116 KB	Output is correct
31	Correct	1 ms	1116 KB	Output is correct
32	Correct	1 ms	1116 KB	Output is correct
33	Correct	3 ms	1500 KB	Output is correct
34	Correct	2 ms	1504 KB	Output is correct
35	Correct	5 ms	1628 KB	Output is correct
36	Correct	1 ms	1116 KB	Output is correct
37	Correct	4 ms	1628 KB	Output is correct
38	Correct	5 ms	1624 KB	Output is correct
39	Correct	4 ms	1624 KB	Output is correct
40	Correct	4 ms	1628 KB	Output is correct
41	Correct	5 ms	1628 KB	Output is correct
42	Correct	3 ms	1628 KB	Output is correct
43	Correct	3 ms	1628 KB	Output is correct
44	Correct	5 ms	1624 KB	Output is correct
45	Correct	5 ms	1884 KB	Output is correct
46	Correct	5 ms	1880 KB	Output is correct
47	Correct	6 ms	2264 KB	Output is correct
48	Correct	4 ms	1880 KB	Output is correct
49	Correct	4 ms	1700 KB	Output is correct
50	Correct	3 ms	1628 KB	Output is correct
51	Correct	11 ms	3028 KB	Output is correct
52	Correct	10 ms	2520 KB	Output is correct
53	Correct	7 ms	2136 KB	Output is correct
54	Correct	2 ms	1368 KB	Output is correct
55	Correct	1 ms	1372 KB	Output is correct
56	Correct	478 ms	2732 KB	Output is correct
57	Correct	2 ms	2008 KB	Output is correct
58	Correct	5 ms	1884 KB	Output is correct
59	Correct	5 ms	1884 KB	Output is correct
60	Correct	5 ms	1884 KB	Output is correct
61	Correct	5 ms	2040 KB	Output is correct
62	Correct	7 ms	2652 KB	Output is correct
63	Correct	20 ms	4056 KB	Output is correct
64	Correct	22 ms	4004 KB	Output is correct
65	Correct	26 ms	4056 KB	Output is correct
66	Correct	64 ms	6088 KB	Output is correct
67	Correct	33 ms	6088 KB	Output is correct

Submission #1014274

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