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Submission #39482

# Submission time Handle Problem Language Result Execution time Memory
39482 2018-01-15T19:53:46 Z qoo2p5 Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 783 ms 30960 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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