Submission #583033

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
583033	2022-06-24T17:48:43 Z	YesPy	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	100 / 100	203 ms	67536 KB

skyscraper

#include <bits/stdc++.h>

#define ff first
#define ss second
#define PHB push_back
#define fastio ios::sync_with_stdio(false);cin.tie(nullptr);
#define ln '\n'
#define nwln cout<<ln;
#define v(T) vector<T>
#define PQ(T) priority_queue<T, v(T), greater<T>>

using namespace std;

typedef pair<int, int> pi;
typedef vector<int> vri;
typedef vector<pi> vpi;
typedef vector<vpi> vvpi;

const int INF = 1001001001;
const int MAXN = 30003;
int N, M, NE, KO;
set<int> B[MAXN];
vri dist;
vvpi adj;

void dijkstra(int src) {
	dist.assign(N, INF);
	dist[src] = 0;

	PQ(pi) pq;
	pq.push({0, src});

	while(!pq.empty()) {
		int v = pq.top().ss, d_v = pq.top().ff;
		pq.pop();

		if(d_v != dist[v]) continue;

		for(pi edge: adj[v]) {
			int w = edge.ss, u = edge.ff;

			if(dist[v] + w < dist[u]) {
				dist[u] = dist[v] + w;
				pq.push({dist[u], u});
			}
		}
	}
}

int main()
{
	fastio
	cin>>N>>M, adj.resize(N);

	for(int i=0; i<M; ++i) {
		int b, p;
		cin>>b>>p;
		if(i == 1) KO = b;
		else if(!i) NE = b;
		B[b].insert(p);
	}

	for(int i=0; i<N; ++i) {
		for(int p: B[i]) {
			int pos = i+p, cost = 1;

			while(pos < N) {
				adj[i].PHB({pos, cost});
				if(B[pos].count(p)) break;
				++cost, pos += p;
			}

			pos = i-p, cost = 1;
			while(pos >= 0) {
				adj[i].PHB({pos, cost});
				if(B[pos].count(p)) break;
				++cost, pos -= p;
			}
		}
	}

	dijkstra(NE);
	if(dist[KO] == INF) cout<<-1;
	else cout<<dist[KO];
	nwln

	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	1620 KB	Output is correct
2	Correct	1 ms	1620 KB	Output is correct
3	Correct	2 ms	1620 KB	Output is correct
4	Correct	1 ms	1620 KB	Output is correct
5	Correct	1 ms	1620 KB	Output is correct
6	Correct	1 ms	1620 KB	Output is correct
7	Correct	1 ms	1620 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1620 KB	Output is correct
2	Correct	1 ms	1620 KB	Output is correct
3	Correct	1 ms	1620 KB	Output is correct
4	Correct	1 ms	1676 KB	Output is correct
5	Correct	2 ms	1620 KB	Output is correct
6	Correct	1 ms	1620 KB	Output is correct
7	Correct	1 ms	1620 KB	Output is correct
8	Correct	1 ms	1620 KB	Output is correct
9	Correct	1 ms	1620 KB	Output is correct
10	Correct	2 ms	1748 KB	Output is correct
11	Correct	2 ms	1748 KB	Output is correct
12	Correct	1 ms	1620 KB	Output is correct
13	Correct	2 ms	1620 KB	Output is correct
14	Correct	2 ms	1876 KB	Output is correct
15	Correct	2 ms	1816 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1620 KB	Output is correct
2	Correct	1 ms	1620 KB	Output is correct
3	Correct	1 ms	1620 KB	Output is correct
4	Correct	1 ms	1620 KB	Output is correct
5	Correct	1 ms	1620 KB	Output is correct
6	Correct	1 ms	1620 KB	Output is correct
7	Correct	1 ms	1620 KB	Output is correct
8	Correct	2 ms	1620 KB	Output is correct
9	Correct	1 ms	1620 KB	Output is correct
10	Correct	1 ms	1748 KB	Output is correct
11	Correct	2 ms	1748 KB	Output is correct
12	Correct	2 ms	1736 KB	Output is correct
13	Correct	1 ms	1620 KB	Output is correct
14	Correct	2 ms	1876 KB	Output is correct
15	Correct	2 ms	1876 KB	Output is correct
16	Correct	1 ms	1748 KB	Output is correct
17	Correct	2 ms	2004 KB	Output is correct
18	Correct	1 ms	1876 KB	Output is correct
19	Correct	1 ms	1748 KB	Output is correct
20	Correct	2 ms	1876 KB	Output is correct
21	Correct	1 ms	1748 KB	Output is correct
22	Correct	1 ms	1876 KB	Output is correct
23	Correct	2 ms	1876 KB	Output is correct
24	Correct	3 ms	2004 KB	Output is correct
25	Correct	2 ms	2004 KB	Output is correct
26	Correct	2 ms	1876 KB	Output is correct
27	Correct	2 ms	1876 KB	Output is correct
28	Correct	2 ms	2004 KB	Output is correct
29	Correct	4 ms	2516 KB	Output is correct
30	Correct	2 ms	2004 KB	Output is correct
31	Correct	3 ms	2260 KB	Output is correct
32	Correct	2 ms	2132 KB	Output is correct
33	Correct	7 ms	3412 KB	Output is correct
34	Correct	7 ms	3412 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1620 KB	Output is correct
2	Correct	1 ms	1620 KB	Output is correct
3	Correct	2 ms	1620 KB	Output is correct
4	Correct	1 ms	1620 KB	Output is correct
5	Correct	1 ms	1664 KB	Output is correct
6	Correct	1 ms	1620 KB	Output is correct
7	Correct	1 ms	1620 KB	Output is correct
8	Correct	1 ms	1620 KB	Output is correct
9	Correct	1 ms	1620 KB	Output is correct
10	Correct	1 ms	1748 KB	Output is correct
11	Correct	3 ms	1748 KB	Output is correct
12	Correct	1 ms	1620 KB	Output is correct
13	Correct	2 ms	1620 KB	Output is correct
14	Correct	2 ms	1800 KB	Output is correct
15	Correct	2 ms	1808 KB	Output is correct
16	Correct	1 ms	1748 KB	Output is correct
17	Correct	3 ms	2004 KB	Output is correct
18	Correct	2 ms	1876 KB	Output is correct
19	Correct	1 ms	1748 KB	Output is correct
20	Correct	2 ms	1876 KB	Output is correct
21	Correct	1 ms	1748 KB	Output is correct
22	Correct	1 ms	1876 KB	Output is correct
23	Correct	2 ms	1876 KB	Output is correct
24	Correct	2 ms	2004 KB	Output is correct
25	Correct	4 ms	2004 KB	Output is correct
26	Correct	2 ms	1876 KB	Output is correct
27	Correct	2 ms	1876 KB	Output is correct
28	Correct	2 ms	2004 KB	Output is correct
29	Correct	4 ms	2516 KB	Output is correct
30	Correct	2 ms	2004 KB	Output is correct
31	Correct	3 ms	2260 KB	Output is correct
32	Correct	2 ms	2128 KB	Output is correct
33	Correct	6 ms	3412 KB	Output is correct
34	Correct	6 ms	3412 KB	Output is correct
35	Correct	13 ms	3968 KB	Output is correct
36	Correct	3 ms	2132 KB	Output is correct
37	Correct	17 ms	4648 KB	Output is correct
38	Correct	20 ms	4884 KB	Output is correct
39	Correct	22 ms	4876 KB	Output is correct
40	Correct	21 ms	4912 KB	Output is correct
41	Correct	24 ms	4924 KB	Output is correct
42	Correct	6 ms	1876 KB	Output is correct
43	Correct	6 ms	1876 KB	Output is correct
44	Correct	5 ms	1944 KB	Output is correct
45	Correct	27 ms	7596 KB	Output is correct
46	Correct	30 ms	7628 KB	Output is correct

Subtask #5
43.0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1620 KB	Output is correct
2	Correct	1 ms	1620 KB	Output is correct
3	Correct	2 ms	1620 KB	Output is correct
4	Correct	1 ms	1620 KB	Output is correct
5	Correct	2 ms	1620 KB	Output is correct
6	Correct	1 ms	1620 KB	Output is correct
7	Correct	1 ms	1620 KB	Output is correct
8	Correct	1 ms	1620 KB	Output is correct
9	Correct	1 ms	1620 KB	Output is correct
10	Correct	1 ms	1748 KB	Output is correct
11	Correct	2 ms	1876 KB	Output is correct
12	Correct	1 ms	1620 KB	Output is correct
13	Correct	2 ms	1620 KB	Output is correct
14	Correct	2 ms	1876 KB	Output is correct
15	Correct	2 ms	1876 KB	Output is correct
16	Correct	2 ms	1748 KB	Output is correct
17	Correct	2 ms	2004 KB	Output is correct
18	Correct	2 ms	1876 KB	Output is correct
19	Correct	1 ms	1748 KB	Output is correct
20	Correct	2 ms	1876 KB	Output is correct
21	Correct	2 ms	1748 KB	Output is correct
22	Correct	2 ms	1876 KB	Output is correct
23	Correct	2 ms	1876 KB	Output is correct
24	Correct	3 ms	2004 KB	Output is correct
25	Correct	3 ms	2004 KB	Output is correct
26	Correct	2 ms	1876 KB	Output is correct
27	Correct	2 ms	1832 KB	Output is correct
28	Correct	2 ms	2004 KB	Output is correct
29	Correct	4 ms	2516 KB	Output is correct
30	Correct	3 ms	2004 KB	Output is correct
31	Correct	4 ms	2260 KB	Output is correct
32	Correct	3 ms	2132 KB	Output is correct
33	Correct	7 ms	3412 KB	Output is correct
34	Correct	9 ms	3412 KB	Output is correct
35	Correct	19 ms	3916 KB	Output is correct
36	Correct	3 ms	2132 KB	Output is correct
37	Correct	16 ms	4692 KB	Output is correct
38	Correct	20 ms	4948 KB	Output is correct
39	Correct	27 ms	4924 KB	Output is correct
40	Correct	19 ms	4860 KB	Output is correct
41	Correct	25 ms	4900 KB	Output is correct
42	Correct	6 ms	1784 KB	Output is correct
43	Correct	9 ms	1876 KB	Output is correct
44	Correct	9 ms	1876 KB	Output is correct
45	Correct	30 ms	7636 KB	Output is correct
46	Correct	25 ms	7696 KB	Output is correct
47	Correct	44 ms	12368 KB	Output is correct
48	Correct	14 ms	5712 KB	Output is correct
49	Correct	12 ms	4804 KB	Output is correct
50	Correct	9 ms	4692 KB	Output is correct
51	Correct	42 ms	7864 KB	Output is correct
52	Correct	39 ms	8340 KB	Output is correct
53	Correct	25 ms	5320 KB	Output is correct
54	Correct	4 ms	3028 KB	Output is correct
55	Correct	6 ms	3408 KB	Output is correct
56	Correct	16 ms	4892 KB	Output is correct
57	Correct	35 ms	11600 KB	Output is correct
58	Correct	9 ms	3588 KB	Output is correct
59	Correct	10 ms	3920 KB	Output is correct
60	Correct	11 ms	4484 KB	Output is correct
61	Correct	14 ms	3924 KB	Output is correct
62	Correct	24 ms	9040 KB	Output is correct
63	Correct	77 ms	26428 KB	Output is correct
64	Correct	117 ms	29532 KB	Output is correct
65	Correct	117 ms	39160 KB	Output is correct
66	Correct	198 ms	67536 KB	Output is correct
67	Correct	203 ms	67504 KB	Output is correct

Submission #583033

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