답안 #39482 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
39482	2018-01-15T19:53:46 Z	qoo2p5	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	783 ms	30960 KB

skyscraper

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int INF = (int) 1e9 + 123;
const ll LINF = (ll) 1e18 + 123;

#define rep(i, s, t) for (auto i = (s); i < (t); ++(i))
#define per(i, s, t) for (auto i = (s); i >= (t); --(i))
#define sz(x) ((int) (x).size())
#define mp make_pair
#define pb push_back

bool mini(auto &x, const auto &y) {
	if (y < x) {
		x = y;
		return 1;
	}
	return 0;
}

bool maxi(auto &x, const auto &y) {
	if (y < x) {
		x = y;
		return 1;
	}
	return 0;
}

void run();

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	run();
	return 0;
}

const int N = 30303;
const int K = 176;
const int V = N * K;

int n, m;
int b[N], p[N];

int dist[V];
bool used[V];
vector<int> which[N];
priority_queue<pair<int, int>> q;

void go(int v, int u, int len) {
	if (mini(dist[u], dist[v] + len)) {
		q.push({-dist[u], u});
	}
}

void run() {
	cin >> n >> m;
	rep(i, 0, m) {
		cin >> b[i] >> p[i];
		which[b[i]].pb(p[i]);
	}
	
	fill(dist, dist + V, INF);
	dist[b[0]] = 0;
	q.push({0, b[0]});
	while (sz(q)) {
		int v = q.top().second;
		q.pop();
		if (used[v]) continue;
		used[v] = 1;
		
		if (v < n) {
			for (int step : which[v]) {
				if (step < K) {
					go(v, v + step * n, 0);
				} else {
					rep(j, 1, N) {
						int u = v + step * j;
						if (u >= n) {
							break;
						}
						go(v, u, j);
					}
					rep(j, 1, N) {
						int u = v - step * j;
						if (u <= 0) {
							break;
						}
						go(v, u, j);
					}
				}
			}
		} else {
			int step = v / n;
			int pos = v % n;
			if (pos + step < n) {
				go(v, step * n + pos + step, 1);
			}
			if (pos - step >= 0) {
				go(v, step * n + pos - step, 1);
			}
			go(v, pos, 0);
		}
	}
	
	cout << (dist[b[1]] == INF ? -1 : dist[b[1]]) << "\n";
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	29164 KB	Output is correct
2	Correct	6 ms	29164 KB	Output is correct
3	Correct	6 ms	29164 KB	Output is correct
4	Correct	6 ms	29164 KB	Output is correct
5	Correct	3 ms	29164 KB	Output is correct
6	Correct	6 ms	29164 KB	Output is correct
7	Correct	9 ms	29164 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	29164 KB	Output is correct
2	Correct	3 ms	29164 KB	Output is correct
3	Correct	3 ms	29164 KB	Output is correct
4	Correct	3 ms	29164 KB	Output is correct
5	Correct	6 ms	29164 KB	Output is correct
6	Correct	3 ms	29164 KB	Output is correct
7	Correct	3 ms	29164 KB	Output is correct
8	Correct	9 ms	29164 KB	Output is correct
9	Correct	6 ms	29164 KB	Output is correct
10	Correct	3 ms	29164 KB	Output is correct
11	Correct	3 ms	29164 KB	Output is correct
12	Correct	3 ms	29164 KB	Output is correct
13	Correct	0 ms	29164 KB	Output is correct
14	Correct	3 ms	29164 KB	Output is correct
15	Correct	3 ms	29164 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	29164 KB	Output is correct
2	Correct	3 ms	29164 KB	Output is correct
3	Correct	3 ms	29164 KB	Output is correct
4	Correct	0 ms	29164 KB	Output is correct
5	Correct	3 ms	29164 KB	Output is correct
6	Correct	3 ms	29164 KB	Output is correct
7	Correct	3 ms	29164 KB	Output is correct
8	Correct	0 ms	29164 KB	Output is correct
9	Correct	3 ms	29164 KB	Output is correct
10	Correct	6 ms	29164 KB	Output is correct
11	Correct	6 ms	29164 KB	Output is correct
12	Correct	9 ms	29164 KB	Output is correct
13	Correct	6 ms	29164 KB	Output is correct
14	Correct	9 ms	29164 KB	Output is correct
15	Correct	3 ms	29164 KB	Output is correct
16	Correct	6 ms	29164 KB	Output is correct
17	Correct	9 ms	29164 KB	Output is correct
18	Correct	0 ms	29164 KB	Output is correct
19	Correct	0 ms	29164 KB	Output is correct
20	Correct	6 ms	29164 KB	Output is correct
21	Correct	6 ms	29164 KB	Output is correct
22	Correct	6 ms	29164 KB	Output is correct
23	Correct	3 ms	29164 KB	Output is correct
24	Correct	3 ms	29164 KB	Output is correct
25	Correct	0 ms	29164 KB	Output is correct
26	Correct	0 ms	29164 KB	Output is correct
27	Correct	6 ms	29164 KB	Output is correct
28	Correct	3 ms	29164 KB	Output is correct
29	Correct	6 ms	29164 KB	Output is correct
30	Correct	6 ms	29164 KB	Output is correct
31	Correct	9 ms	29164 KB	Output is correct
32	Correct	9 ms	29164 KB	Output is correct
33	Correct	16 ms	29164 KB	Output is correct
34	Correct	16 ms	29164 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	29164 KB	Output is correct
2	Correct	3 ms	29164 KB	Output is correct
3	Correct	9 ms	29164 KB	Output is correct
4	Correct	6 ms	29164 KB	Output is correct
5	Correct	3 ms	29164 KB	Output is correct
6	Correct	6 ms	29164 KB	Output is correct
7	Correct	6 ms	29164 KB	Output is correct
8	Correct	13 ms	29164 KB	Output is correct
9	Correct	0 ms	29164 KB	Output is correct
10	Correct	3 ms	29164 KB	Output is correct
11	Correct	6 ms	29164 KB	Output is correct
12	Correct	3 ms	29164 KB	Output is correct
13	Correct	6 ms	29164 KB	Output is correct
14	Correct	3 ms	29164 KB	Output is correct
15	Correct	3 ms	29164 KB	Output is correct
16	Correct	0 ms	29164 KB	Output is correct
17	Correct	6 ms	29164 KB	Output is correct
18	Correct	9 ms	29164 KB	Output is correct
19	Correct	3 ms	29164 KB	Output is correct
20	Correct	6 ms	29164 KB	Output is correct
21	Correct	0 ms	29164 KB	Output is correct
22	Correct	3 ms	29164 KB	Output is correct
23	Correct	6 ms	29164 KB	Output is correct
24	Correct	6 ms	29164 KB	Output is correct
25	Correct	6 ms	29164 KB	Output is correct
26	Correct	6 ms	29164 KB	Output is correct
27	Correct	3 ms	29164 KB	Output is correct
28	Correct	6 ms	29164 KB	Output is correct
29	Correct	9 ms	29164 KB	Output is correct
30	Correct	6 ms	29164 KB	Output is correct
31	Correct	13 ms	29164 KB	Output is correct
32	Correct	6 ms	29164 KB	Output is correct
33	Correct	19 ms	29164 KB	Output is correct
34	Correct	16 ms	29164 KB	Output is correct
35	Correct	16 ms	29428 KB	Output is correct
36	Correct	3 ms	29164 KB	Output is correct
37	Correct	26 ms	29448 KB	Output is correct
38	Correct	23 ms	29428 KB	Output is correct
39	Correct	23 ms	29428 KB	Output is correct
40	Correct	26 ms	29428 KB	Output is correct
41	Correct	19 ms	29428 KB	Output is correct
42	Correct	3 ms	29328 KB	Output is correct
43	Correct	19 ms	29328 KB	Output is correct
44	Correct	13 ms	29324 KB	Output is correct
45	Correct	59 ms	29768 KB	Output is correct
46	Correct	53 ms	29764 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	29164 KB	Output is correct
2	Correct	0 ms	29164 KB	Output is correct
3	Correct	3 ms	29164 KB	Output is correct
4	Correct	0 ms	29164 KB	Output is correct
5	Correct	3 ms	29164 KB	Output is correct
6	Correct	3 ms	29164 KB	Output is correct
7	Correct	3 ms	29164 KB	Output is correct
8	Correct	3 ms	29164 KB	Output is correct
9	Correct	3 ms	29164 KB	Output is correct
10	Correct	0 ms	29164 KB	Output is correct
11	Correct	13 ms	29164 KB	Output is correct
12	Correct	6 ms	29164 KB	Output is correct
13	Correct	6 ms	29164 KB	Output is correct
14	Correct	3 ms	29164 KB	Output is correct
15	Correct	3 ms	29164 KB	Output is correct
16	Correct	6 ms	29164 KB	Output is correct
17	Correct	0 ms	29164 KB	Output is correct
18	Correct	3 ms	29164 KB	Output is correct
19	Correct	3 ms	29164 KB	Output is correct
20	Correct	3 ms	29164 KB	Output is correct
21	Correct	3 ms	29164 KB	Output is correct
22	Correct	6 ms	29164 KB	Output is correct
23	Correct	3 ms	29164 KB	Output is correct
24	Correct	0 ms	29164 KB	Output is correct
25	Correct	3 ms	29164 KB	Output is correct
26	Correct	6 ms	29164 KB	Output is correct
27	Correct	0 ms	29164 KB	Output is correct
28	Correct	6 ms	29164 KB	Output is correct
29	Correct	6 ms	29164 KB	Output is correct
30	Correct	9 ms	29164 KB	Output is correct
31	Correct	0 ms	29164 KB	Output is correct
32	Correct	6 ms	29164 KB	Output is correct
33	Correct	16 ms	29164 KB	Output is correct
34	Correct	23 ms	29164 KB	Output is correct
35	Correct	19 ms	29428 KB	Output is correct
36	Correct	6 ms	29164 KB	Output is correct
37	Correct	23 ms	29448 KB	Output is correct
38	Correct	23 ms	29428 KB	Output is correct
39	Correct	26 ms	29428 KB	Output is correct
40	Correct	26 ms	29428 KB	Output is correct
41	Correct	29 ms	29428 KB	Output is correct
42	Correct	9 ms	29328 KB	Output is correct
43	Correct	6 ms	29328 KB	Output is correct
44	Correct	16 ms	29324 KB	Output is correct
45	Correct	49 ms	29768 KB	Output is correct
46	Correct	56 ms	29764 KB	Output is correct
47	Correct	93 ms	29932 KB	Output is correct
48	Correct	9 ms	29560 KB	Output is correct
49	Correct	6 ms	29560 KB	Output is correct
50	Correct	6 ms	29428 KB	Output is correct
51	Correct	46 ms	30180 KB	Output is correct
52	Correct	59 ms	30184 KB	Output is correct
53	Correct	13 ms	29692 KB	Output is correct
54	Correct	0 ms	29164 KB	Output is correct
55	Correct	0 ms	29164 KB	Output is correct
56	Correct	9 ms	30088 KB	Output is correct
57	Correct	66 ms	29164 KB	Output is correct
58	Correct	9 ms	29324 KB	Output is correct
59	Correct	16 ms	29324 KB	Output is correct
60	Correct	23 ms	29332 KB	Output is correct
61	Correct	9 ms	29340 KB	Output is correct
62	Correct	19 ms	30088 KB	Output is correct
63	Correct	29 ms	30200 KB	Output is correct
64	Correct	29 ms	30176 KB	Output is correct
65	Correct	233 ms	30960 KB	Output is correct
66	Correct	753 ms	30916 KB	Output is correct
67	Correct	783 ms	30916 KB	Output is correct

답안 #39482

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