Submission #650045

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
650045	2022-10-12T06:47:51 Z	PoonYaPat	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	181 ms	67832 KB

skyscraper

#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;

int n,m,st,ed,dis[30001];
bool vis[30001];
set<int> s[30001];
vector<pii> adj[30001];
priority_queue<pii, vector<pii>, greater<pii>> q;

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin>>n>>m;
    for (int i=0; i<m; ++i) {
        int a,b; cin>>a>>b;
        s[a].insert(b);
        if (i==0) st=a;
        if (i==1) ed=a;
    }

    for (int i=0; i<n; ++i) {
        for (auto it=s[i].begin(); it!=s[i].end(); ++it) {
            int power=*it;

            //forward
            for (int j=1; j<=n; ++j) {
                int nxt=i+power*j;
                if (nxt>n-1) break;

                adj[i].push_back(pii(nxt,j));
                if (s[nxt].find(power)!=s[nxt].end()) break;
            }

            //backward
            for (int j=1; j<=n; ++j) {
                int nxt=i+power*(-j);
                if (nxt<0) break;

                adj[i].push_back(pii(nxt,j));
                if (s[nxt].find(power)!=s[nxt].end()) break;
            }
        }
    }

    memset(dis,0x3f,sizeof(dis));
    dis[st]=0;
    q.push(pii(0,st));

    while (!q.empty()) {
        int node=q.top().second;
        q.pop();

        if (vis[node]) continue;
        vis[node]=true;

        if (node==ed) {
            cout<<dis[ed];
            return 0;
        }

        for (auto k : adj[node]) {
            int des=k.first, w=k.second;
            if (dis[des]>dis[node]+w) {
                dis[des]=dis[node]+w;
                q.push(pii(dis[des],des));
            }
        }
    }
    cout<<-1;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2516 KB	Output is correct
2	Correct	2 ms	2544 KB	Output is correct
3	Correct	1 ms	2516 KB	Output is correct
4	Correct	2 ms	2516 KB	Output is correct
5	Correct	2 ms	2440 KB	Output is correct
6	Correct	2 ms	2440 KB	Output is correct
7	Correct	2 ms	2516 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2516 KB	Output is correct
2	Correct	2 ms	2516 KB	Output is correct
3	Correct	1 ms	2516 KB	Output is correct
4	Correct	2 ms	2516 KB	Output is correct
5	Correct	1 ms	2516 KB	Output is correct
6	Correct	2 ms	2516 KB	Output is correct
7	Correct	2 ms	2444 KB	Output is correct
8	Correct	2 ms	2516 KB	Output is correct
9	Correct	2 ms	2436 KB	Output is correct
10	Correct	2 ms	2516 KB	Output is correct
11	Correct	2 ms	2644 KB	Output is correct
12	Correct	2 ms	2516 KB	Output is correct
13	Correct	2 ms	2516 KB	Output is correct
14	Correct	3 ms	2700 KB	Output is correct
15	Correct	2 ms	2644 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2516 KB	Output is correct
2	Correct	1 ms	2516 KB	Output is correct
3	Correct	2 ms	2516 KB	Output is correct
4	Correct	1 ms	2516 KB	Output is correct
5	Correct	2 ms	2516 KB	Output is correct
6	Correct	2 ms	2516 KB	Output is correct
7	Correct	2 ms	2516 KB	Output is correct
8	Correct	2 ms	2516 KB	Output is correct
9	Correct	2 ms	2444 KB	Output is correct
10	Correct	2 ms	2516 KB	Output is correct
11	Correct	2 ms	2572 KB	Output is correct
12	Correct	2 ms	2568 KB	Output is correct
13	Correct	2 ms	2516 KB	Output is correct
14	Correct	3 ms	2644 KB	Output is correct
15	Correct	3 ms	2644 KB	Output is correct
16	Correct	3 ms	2644 KB	Output is correct
17	Correct	3 ms	2772 KB	Output is correct
18	Correct	2 ms	2644 KB	Output is correct
19	Correct	2 ms	2644 KB	Output is correct
20	Correct	3 ms	2708 KB	Output is correct
21	Correct	2 ms	2576 KB	Output is correct
22	Correct	2 ms	2644 KB	Output is correct
23	Correct	2 ms	2644 KB	Output is correct
24	Correct	3 ms	2772 KB	Output is correct
25	Correct	2 ms	2756 KB	Output is correct
26	Correct	2 ms	2576 KB	Output is correct
27	Correct	2 ms	2576 KB	Output is correct
28	Correct	3 ms	2900 KB	Output is correct
29	Correct	4 ms	3412 KB	Output is correct
30	Correct	3 ms	2772 KB	Output is correct
31	Correct	3 ms	3028 KB	Output is correct
32	Correct	3 ms	2900 KB	Output is correct
33	Correct	6 ms	4116 KB	Output is correct
34	Correct	5 ms	4052 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2516 KB	Output is correct
2	Correct	1 ms	2516 KB	Output is correct
3	Correct	1 ms	2516 KB	Output is correct
4	Correct	2 ms	2516 KB	Output is correct
5	Correct	2 ms	2516 KB	Output is correct
6	Correct	2 ms	2516 KB	Output is correct
7	Correct	2 ms	2516 KB	Output is correct
8	Correct	2 ms	2516 KB	Output is correct
9	Correct	2 ms	2516 KB	Output is correct
10	Correct	2 ms	2516 KB	Output is correct
11	Correct	2 ms	2644 KB	Output is correct
12	Correct	2 ms	2448 KB	Output is correct
13	Correct	2 ms	2516 KB	Output is correct
14	Correct	2 ms	2644 KB	Output is correct
15	Correct	2 ms	2700 KB	Output is correct
16	Correct	2 ms	2644 KB	Output is correct
17	Correct	3 ms	2772 KB	Output is correct
18	Correct	2 ms	2644 KB	Output is correct
19	Correct	2 ms	2572 KB	Output is correct
20	Correct	2 ms	2644 KB	Output is correct
21	Correct	2 ms	2644 KB	Output is correct
22	Correct	2 ms	2568 KB	Output is correct
23	Correct	2 ms	2644 KB	Output is correct
24	Correct	3 ms	2772 KB	Output is correct
25	Correct	2 ms	2756 KB	Output is correct
26	Correct	2 ms	2584 KB	Output is correct
27	Correct	2 ms	2644 KB	Output is correct
28	Correct	3 ms	3024 KB	Output is correct
29	Correct	4 ms	3412 KB	Output is correct
30	Correct	3 ms	2824 KB	Output is correct
31	Correct	4 ms	3028 KB	Output is correct
32	Correct	3 ms	2824 KB	Output is correct
33	Correct	6 ms	4052 KB	Output is correct
34	Correct	7 ms	4052 KB	Output is correct
35	Correct	13 ms	4948 KB	Output is correct
36	Correct	3 ms	2900 KB	Output is correct
37	Correct	17 ms	5632 KB	Output is correct
38	Correct	19 ms	5904 KB	Output is correct
39	Correct	18 ms	5912 KB	Output is correct
40	Correct	18 ms	5852 KB	Output is correct
41	Correct	21 ms	5972 KB	Output is correct
42	Correct	5 ms	2772 KB	Output is correct
43	Correct	6 ms	2784 KB	Output is correct
44	Correct	5 ms	2832 KB	Output is correct
45	Correct	22 ms	8584 KB	Output is correct
46	Correct	22 ms	8572 KB	Output is correct

Subtask #5
43.0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2516 KB	Output is correct
2	Correct	1 ms	2516 KB	Output is correct
3	Correct	1 ms	2516 KB	Output is correct
4	Correct	1 ms	2516 KB	Output is correct
5	Correct	2 ms	2516 KB	Output is correct
6	Correct	2 ms	2436 KB	Output is correct
7	Correct	2 ms	2516 KB	Output is correct
8	Correct	2 ms	2516 KB	Output is correct
9	Correct	2 ms	2444 KB	Output is correct
10	Correct	2 ms	2516 KB	Output is correct
11	Correct	2 ms	2644 KB	Output is correct
12	Correct	3 ms	2516 KB	Output is correct
13	Correct	2 ms	2516 KB	Output is correct
14	Correct	2 ms	2644 KB	Output is correct
15	Correct	2 ms	2644 KB	Output is correct
16	Correct	2 ms	2572 KB	Output is correct
17	Correct	3 ms	2832 KB	Output is correct
18	Correct	2 ms	2644 KB	Output is correct
19	Correct	2 ms	2568 KB	Output is correct
20	Correct	2 ms	2644 KB	Output is correct
21	Correct	2 ms	2516 KB	Output is correct
22	Correct	2 ms	2644 KB	Output is correct
23	Correct	3 ms	2644 KB	Output is correct
24	Correct	3 ms	2704 KB	Output is correct
25	Correct	2 ms	2772 KB	Output is correct
26	Correct	2 ms	2644 KB	Output is correct
27	Correct	2 ms	2644 KB	Output is correct
28	Correct	2 ms	2900 KB	Output is correct
29	Correct	4 ms	3412 KB	Output is correct
30	Correct	3 ms	2800 KB	Output is correct
31	Correct	3 ms	2952 KB	Output is correct
32	Correct	3 ms	2820 KB	Output is correct
33	Correct	8 ms	4052 KB	Output is correct
34	Correct	5 ms	4052 KB	Output is correct
35	Correct	14 ms	4948 KB	Output is correct
36	Correct	4 ms	2900 KB	Output is correct
37	Correct	16 ms	5664 KB	Output is correct
38	Correct	18 ms	5964 KB	Output is correct
39	Correct	19 ms	5904 KB	Output is correct
40	Correct	21 ms	5784 KB	Output is correct
41	Correct	18 ms	5972 KB	Output is correct
42	Correct	6 ms	2772 KB	Output is correct
43	Correct	6 ms	2772 KB	Output is correct
44	Correct	6 ms	2836 KB	Output is correct
45	Correct	23 ms	8576 KB	Output is correct
46	Correct	20 ms	8552 KB	Output is correct
47	Correct	35 ms	12972 KB	Output is correct
48	Correct	15 ms	6216 KB	Output is correct
49	Correct	12 ms	5204 KB	Output is correct
50	Correct	11 ms	4820 KB	Output is correct
51	Correct	28 ms	8332 KB	Output is correct
52	Correct	26 ms	8788 KB	Output is correct
53	Correct	11 ms	5328 KB	Output is correct
54	Correct	3 ms	3028 KB	Output is correct
55	Correct	5 ms	3408 KB	Output is correct
56	Correct	12 ms	5144 KB	Output is correct
57	Correct	15 ms	11344 KB	Output is correct
58	Correct	9 ms	3668 KB	Output is correct
59	Correct	9 ms	4096 KB	Output is correct
60	Correct	10 ms	4760 KB	Output is correct
61	Correct	9 ms	4128 KB	Output is correct
62	Correct	22 ms	9436 KB	Output is correct
63	Correct	66 ms	26664 KB	Output is correct
64	Correct	72 ms	29776 KB	Output is correct
65	Correct	96 ms	39436 KB	Output is correct
66	Correct	181 ms	67756 KB	Output is correct
67	Correct	146 ms	67832 KB	Output is correct

Submission #650045

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