답안 #954926

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
954926 2024-03-28T20:16:50 Z colossal_pepe Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
906 ms 3532 KB
#include <bits/stdc++.h>
using namespace std;

const int INF = 1e9;
const int BLK = 200;

int n, m;
vector<int> b, p;
vector<vector<int>> v;

void addDoge(int i, int pos, int d, vector<int> &dist, priority_queue<pair<int, int>> &q, bool dir) {
	int c = (dir ? 1 : -1);
	for (int pos_nxt = pos + c * p[i], x = 1; (dir ? pos_nxt < n : pos_nxt >= 0); pos_nxt += c * p[i], x++) {
		if (-d + x < dist[pos_nxt]) {
			dist[pos_nxt] = -d + x;
			q.push({d - x, pos_nxt});
		}
	}
}
 
int solve() {
	vector<int> dist(n, INF);
	priority_queue<pair<int, int>> q;
	dist[b[0]] = 0;
	q.push({0, b[0]});
	while (not q.empty()) {
		auto [d, pos] = q.top();
		q.pop();
		if (dist[pos] != -d) continue;
		while (not v[pos].empty()) {
			addDoge(v[pos].back(), pos, d, dist, q, 0);
			addDoge(v[pos].back(), pos, d, dist, q, 1);
			v[pos].pop_back();
		}
		// if (power and pos + power < n and -d + 1 < dist[pos + power][power]) {
		// 	dist[pos + power][power] = -d + 1;
		// 	q.push(make_tuple(d - 1, pos + power, power));
		// }
		// if (power and pos - power >= 0 and -d + 1 < dist[pos - power][power]) {
		// 	dist[pos - power][power] = -d + 1;
		// 	q.push(make_tuple(d - 1, pos - power, power));
		// }
	}
	int ret = INF;
	for (int i = 0; i < BLK; i++) {
		ret = min(ret, dist[b[1]]);
	}
	return ret == INF ? -1 : ret;
}
 
int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin >> n >> m;
	v.resize(n), b.resize(m), p.resize(m);
	for (int i = 0; i < m; i++) {
		cin >> b[i] >> p[i];
		v[b[i]].push_back(i);
	}
	cout << solve() << '\n';
	return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 484 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 5 ms 604 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 544 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 4 ms 344 KB Output is correct
27 Correct 4 ms 600 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 352 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 512 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 5 ms 604 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 4 ms 552 KB Output is correct
27 Correct 4 ms 856 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 5 ms 860 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 4 ms 856 KB Output is correct
38 Correct 6 ms 1116 KB Output is correct
39 Correct 6 ms 1116 KB Output is correct
40 Correct 6 ms 1116 KB Output is correct
41 Correct 6 ms 1112 KB Output is correct
42 Correct 59 ms 860 KB Output is correct
43 Correct 60 ms 860 KB Output is correct
44 Correct 57 ms 860 KB Output is correct
45 Correct 5 ms 856 KB Output is correct
46 Correct 5 ms 856 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 600 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 6 ms 604 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 360 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 624 KB Output is correct
26 Correct 4 ms 348 KB Output is correct
27 Correct 4 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 5 ms 860 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 6 ms 1116 KB Output is correct
38 Correct 6 ms 1116 KB Output is correct
39 Correct 6 ms 1116 KB Output is correct
40 Correct 8 ms 1116 KB Output is correct
41 Correct 6 ms 1116 KB Output is correct
42 Correct 63 ms 856 KB Output is correct
43 Correct 59 ms 856 KB Output is correct
44 Correct 56 ms 856 KB Output is correct
45 Correct 6 ms 860 KB Output is correct
46 Correct 5 ms 856 KB Output is correct
47 Correct 13 ms 1752 KB Output is correct
48 Correct 5 ms 1628 KB Output is correct
49 Correct 5 ms 1628 KB Output is correct
50 Correct 3 ms 1628 KB Output is correct
51 Correct 20 ms 3260 KB Output is correct
52 Correct 22 ms 2880 KB Output is correct
53 Correct 11 ms 2772 KB Output is correct
54 Correct 2 ms 1372 KB Output is correct
55 Correct 2 ms 1372 KB Output is correct
56 Correct 859 ms 2776 KB Output is correct
57 Correct 40 ms 3532 KB Output is correct
58 Correct 906 ms 2128 KB Output is correct
59 Correct 805 ms 2132 KB Output is correct
60 Correct 869 ms 2084 KB Output is correct
61 Correct 724 ms 2140 KB Output is correct
62 Correct 8 ms 2652 KB Output is correct
63 Correct 19 ms 3028 KB Output is correct
64 Correct 19 ms 3024 KB Output is correct
65 Correct 22 ms 3028 KB Output is correct
66 Correct 28 ms 3188 KB Output is correct
67 Correct 30 ms 3028 KB Output is correct