Submission #108313

# Submission time Handle Problem Language Result Execution time Memory
108313 2019-04-28T13:45:57 Z maksim_gaponov Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
715 ms 4596 KB
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
// #define int ll
#define pb push_back
typedef pair<int, int> pii;
#define all(x) (x).begin(), (x).end()
#define F first
#define S second

const int INF = 1e9;

bool cmin(int &a, const int &b) {
	if (a > b) {
		a = b;
		return 1;
	}
	return 0;
}

void run() {
	int n, m;
	cin >> n >> m;
	vector<int> b(m), p(m);
	vector<vector<int>> who(n);
	for (int i = 0; i < m; ++i) {
		cin >> b[i] >> p[i];
		who[b[i]].pb(p[i]);
	}
	vector<vector<pii>> g(n);
	vector<int> dist(n, INF);
	priority_queue<pii> q;
	dist[b[0]] = 0;
	q.push({0, b[0]});
	while (!q.empty()) {
		pii pr = q.top();
		q.pop();
		if (-pr.F != dist[pr.S])
			continue;
		int u = pr.S;
		sort(all(who[u]));
		who[u].resize(unique(all(who[u])) - who[u].begin());
		for (auto x : who[u]) {
			int cnt = 1;
			for (int i = u + x; i < n; i += x) {
				// g[u].pb({i, cnt});
				if (cmin(dist[i], dist[u] + cnt)) {
					q.push({-dist[i], i});
				}
				++cnt;
			}
			cnt = 1;
			for (int i = u - x; i >= 0; i -= x) {
				// g[u].pb({i, cnt});
				
				if (cmin(dist[i], dist[u] + cnt)) {
					q.push({-dist[i], i});
				}
				++cnt;
			}
		}
		// for (auto edge : g[u]) {
		// 	int v = edge.F;
		// 	int w = edge.S;
		// 	if (cmin(dist[v], dist[u] + w)) {
		// 		q.push({-dist[v], v});
		// 	}
		// }
	}
	if (dist[b[1]] >= INF)
		dist[b[1]] = -1;
	cout << dist[b[1]] << '\n';
}

signed main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	run();
}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 3 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 512 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 3 ms 512 KB Output is correct
18 Correct 2 ms 512 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 5 ms 512 KB Output is correct
21 Correct 3 ms 384 KB Output is correct
22 Correct 3 ms 384 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 4 ms 512 KB Output is correct
25 Correct 3 ms 512 KB Output is correct
26 Correct 3 ms 512 KB Output is correct
27 Correct 4 ms 512 KB Output is correct
28 Correct 3 ms 512 KB Output is correct
29 Correct 4 ms 640 KB Output is correct
30 Correct 3 ms 640 KB Output is correct
31 Correct 4 ms 512 KB Output is correct
32 Correct 3 ms 512 KB Output is correct
33 Correct 4 ms 768 KB Output is correct
34 Correct 6 ms 640 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 3 ms 484 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 2 ms 512 KB Output is correct
20 Correct 5 ms 640 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 3 ms 512 KB Output is correct
24 Correct 4 ms 512 KB Output is correct
25 Correct 3 ms 512 KB Output is correct
26 Correct 2 ms 640 KB Output is correct
27 Correct 2 ms 512 KB Output is correct
28 Correct 2 ms 512 KB Output is correct
29 Correct 3 ms 640 KB Output is correct
30 Correct 3 ms 512 KB Output is correct
31 Correct 3 ms 640 KB Output is correct
32 Correct 3 ms 512 KB Output is correct
33 Correct 5 ms 768 KB Output is correct
34 Correct 4 ms 768 KB Output is correct
35 Correct 10 ms 1024 KB Output is correct
36 Correct 5 ms 484 KB Output is correct
37 Correct 9 ms 1024 KB Output is correct
38 Correct 12 ms 1280 KB Output is correct
39 Correct 14 ms 1280 KB Output is correct
40 Correct 11 ms 1280 KB Output is correct
41 Correct 16 ms 1432 KB Output is correct
42 Correct 8 ms 1024 KB Output is correct
43 Correct 9 ms 1024 KB Output is correct
44 Correct 11 ms 1024 KB Output is correct
45 Correct 13 ms 1280 KB Output is correct
46 Correct 13 ms 1280 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 2 ms 512 KB Output is correct
20 Correct 6 ms 512 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 3 ms 512 KB Output is correct
24 Correct 3 ms 512 KB Output is correct
25 Correct 3 ms 512 KB Output is correct
26 Correct 3 ms 512 KB Output is correct
27 Correct 3 ms 512 KB Output is correct
28 Correct 0 ms 512 KB Output is correct
29 Correct 4 ms 640 KB Output is correct
30 Correct 3 ms 512 KB Output is correct
31 Correct 3 ms 640 KB Output is correct
32 Correct 3 ms 512 KB Output is correct
33 Correct 4 ms 640 KB Output is correct
34 Correct 4 ms 768 KB Output is correct
35 Correct 10 ms 1152 KB Output is correct
36 Correct 4 ms 512 KB Output is correct
37 Correct 9 ms 1024 KB Output is correct
38 Correct 11 ms 1280 KB Output is correct
39 Correct 14 ms 1152 KB Output is correct
40 Correct 12 ms 1280 KB Output is correct
41 Correct 13 ms 1280 KB Output is correct
42 Correct 9 ms 1096 KB Output is correct
43 Correct 9 ms 1024 KB Output is correct
44 Correct 11 ms 1024 KB Output is correct
45 Correct 15 ms 1408 KB Output is correct
46 Correct 13 ms 1328 KB Output is correct
47 Correct 20 ms 2428 KB Output is correct
48 Correct 14 ms 2404 KB Output is correct
49 Correct 10 ms 2432 KB Output is correct
50 Correct 9 ms 2432 KB Output is correct
51 Correct 52 ms 4208 KB Output is correct
52 Correct 49 ms 3700 KB Output is correct
53 Correct 22 ms 3708 KB Output is correct
54 Correct 6 ms 2048 KB Output is correct
55 Correct 6 ms 2176 KB Output is correct
56 Correct 715 ms 3712 KB Output is correct
57 Correct 51 ms 4084 KB Output is correct
58 Correct 10 ms 2560 KB Output is correct
59 Correct 12 ms 2816 KB Output is correct
60 Correct 12 ms 2688 KB Output is correct
61 Correct 13 ms 2688 KB Output is correct
62 Correct 24 ms 3328 KB Output is correct
63 Correct 36 ms 3704 KB Output is correct
64 Correct 36 ms 3704 KB Output is correct
65 Correct 35 ms 3704 KB Output is correct
66 Correct 67 ms 4588 KB Output is correct
67 Correct 64 ms 4596 KB Output is correct