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Submission #879520

# Submission time Handle Problem Language Result Execution time Memory
879520 2023-11-27T15:21:08 Z serifefedartar Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 195 ms 75732 KB 
#include <bits/stdc++.h>
using namespace std;

#define fast ios::sync_with_stdio(0);cin.tie(0);
#define s second
#define f first
typedef long long ll;
const ll MOD = 1e9 + 9;
const ll LOGN = 21;
const ll MAXN = 3e4 + 100;

int B[MAXN], P[MAXN];
bool vis[MAXN];
vector<vector<pair<int,int>>> graph;
vector<int> dist;
set<int> places[MAXN];

int main() {
	int N, M;
	cin >> N >> M;

	graph = vector<vector<pair<int,int>>>(N+1, vector<pair<int,int>>());
	dist = vector<int>(N+1, 1e8);
	for (int i = 1; i <= M; i++) {
		cin >> B[i] >> P[i];
		B[i]++;
		places[P[i]].insert(B[i]);
	}

	for (int i = 1; i < MAXN; i++) {
		for (auto u : places[i]) {
			for (int p = u - i; p >= 1; p -= i) {
				graph[u].push_back({p, (u - p) / i});
				if (places[i].count(p))
					break;
			}
			for (int p = u + i; p <= N; p += i) {
				graph[u].push_back({p, (p - u) / i});
				if (places[i].count(p))
					break;
			}
		}
	}

	priority_queue<pair<int,int>, vector<pair<int,int>>, greater<pair<int,int>>> pq;
	pq.push({0, B[1]});
	dist[B[1]] = 0;

	while (!pq.empty()) {
		int node = pq.top().s;
		int d = pq.top().f;
		pq.pop();

		if (vis[node])
			continue;
		vis[node] = true;

		for (auto u : graph[node]) {
			if (dist[u.f] > dist[node] + u.s) {
				dist[u.f] = dist[node] + u.s;
				pq.push({dist[u.f], u.f});
			}
		}
	}

	cout << (dist[B[2]] >= 1e7 ? -1 : dist[B[2]]) << "\n";
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:51:7: warning: unused variable 'd' [-Wunused-variable]
   51 |   int d = pq.top().f;
      |       ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1624 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 2 ms 1628 KB Output is correct
4 Correct 1 ms 1628 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 1 ms 1628 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 1 ms 1628 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 1 ms 1628 KB Output is correct
7 Correct 1 ms 1800 KB Output is correct
8 Correct 1 ms 1880 KB Output is correct
9 Correct 1 ms 1856 KB Output is correct
10 Correct 2 ms 1880 KB Output is correct
11 Correct 2 ms 1880 KB Output is correct
12 Correct 1 ms 1880 KB Output is correct
13 Correct 1 ms 1884 KB Output is correct
14 Correct 2 ms 1884 KB Output is correct
15 Correct 2 ms 1884 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 1 ms 1624 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 1 ms 1628 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
8 Correct 1 ms 1628 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 2 ms 1884 KB Output is correct
12 Correct 1 ms 1884 KB Output is correct
13 Correct 2 ms 1864 KB Output is correct
14 Correct 2 ms 1884 KB Output is correct
15 Correct 2 ms 1864 KB Output is correct
16 Correct 1 ms 1884 KB Output is correct
17 Correct 2 ms 2140 KB Output is correct
18 Correct 1 ms 1884 KB Output is correct
19 Correct 1 ms 1884 KB Output is correct
20 Correct 2 ms 1884 KB Output is correct
21 Correct 1 ms 1884 KB Output is correct
22 Correct 1 ms 1884 KB Output is correct
23 Correct 2 ms 1884 KB Output is correct
24 Correct 2 ms 2140 KB Output is correct
25 Correct 2 ms 2136 KB Output is correct
26 Correct 2 ms 1880 KB Output is correct
27 Correct 2 ms 1884 KB Output is correct
28 Correct 2 ms 2136 KB Output is correct
29 Correct 4 ms 2652 KB Output is correct
30 Correct 2 ms 2116 KB Output is correct
31 Correct 2 ms 2396 KB Output is correct
32 Correct 2 ms 2140 KB Output is correct
33 Correct 5 ms 3420 KB Output is correct
34 Correct 6 ms 3416 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 1 ms 1628 KB Output is correct
5 Correct 1 ms 1624 KB Output is correct
6 Correct 1 ms 1628 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
8 Correct 1 ms 1636 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 2 ms 2136 KB Output is correct
11 Correct 2 ms 1884 KB Output is correct
12 Correct 1 ms 1864 KB Output is correct
13 Correct 1 ms 1884 KB Output is correct
14 Correct 2 ms 1860 KB Output is correct
15 Correct 2 ms 1884 KB Output is correct
16 Correct 1 ms 1884 KB Output is correct
17 Correct 2 ms 2140 KB Output is correct
18 Correct 2 ms 1884 KB Output is correct
19 Correct 1 ms 1880 KB Output is correct
20 Correct 2 ms 1880 KB Output is correct
21 Correct 1 ms 1884 KB Output is correct
22 Correct 1 ms 1884 KB Output is correct
23 Correct 2 ms 1884 KB Output is correct
24 Correct 2 ms 2140 KB Output is correct
25 Correct 2 ms 2140 KB Output is correct
26 Correct 2 ms 1868 KB Output is correct
27 Correct 2 ms 1884 KB Output is correct
28 Correct 2 ms 2140 KB Output is correct
29 Correct 4 ms 2652 KB Output is correct
30 Correct 2 ms 2140 KB Output is correct
31 Correct 2 ms 2384 KB Output is correct
32 Correct 2 ms 2140 KB Output is correct
33 Correct 5 ms 3420 KB Output is correct
34 Correct 6 ms 3420 KB Output is correct
35 Correct 16 ms 4424 KB Output is correct
36 Correct 4 ms 2144 KB Output is correct
37 Correct 15 ms 5144 KB Output is correct
38 Correct 19 ms 5464 KB Output is correct
39 Correct 20 ms 5464 KB Output is correct
40 Correct 19 ms 5476 KB Output is correct
41 Correct 19 ms 5484 KB Output is correct
42 Correct 11 ms 2656 KB Output is correct
43 Correct 10 ms 2352 KB Output is correct
44 Correct 10 ms 2404 KB Output is correct
45 Correct 23 ms 8160 KB Output is correct
46 Correct 24 ms 8284 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1636 KB Output is correct
2 Correct 1 ms 1636 KB Output is correct
3 Correct 1 ms 1636 KB Output is correct
4 Correct 1 ms 1632 KB Output is correct
5 Correct 1 ms 1632 KB Output is correct
6 Correct 1 ms 1636 KB Output is correct
7 Correct 1 ms 1888 KB Output is correct
8 Correct 1 ms 1628 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 2 ms 2136 KB Output is correct
12 Correct 1 ms 1884 KB Output is correct
13 Correct 1 ms 1884 KB Output is correct
14 Correct 2 ms 1884 KB Output is correct
15 Correct 2 ms 1884 KB Output is correct
16 Correct 1 ms 1884 KB Output is correct
17 Correct 2 ms 2140 KB Output is correct
18 Correct 1 ms 1884 KB Output is correct
19 Correct 1 ms 1884 KB Output is correct
20 Correct 2 ms 1864 KB Output is correct
21 Correct 1 ms 1884 KB Output is correct
22 Correct 1 ms 1884 KB Output is correct
23 Correct 2 ms 1884 KB Output is correct
24 Correct 2 ms 2140 KB Output is correct
25 Correct 2 ms 2140 KB Output is correct
26 Correct 2 ms 1884 KB Output is correct
27 Correct 2 ms 1896 KB Output is correct
28 Correct 3 ms 2148 KB Output is correct
29 Correct 3 ms 2652 KB Output is correct
30 Correct 2 ms 2140 KB Output is correct
31 Correct 2 ms 2396 KB Output is correct
32 Correct 2 ms 2140 KB Output is correct
33 Correct 6 ms 3420 KB Output is correct
34 Correct 5 ms 3420 KB Output is correct
35 Correct 15 ms 4432 KB Output is correct
36 Correct 3 ms 2136 KB Output is correct
37 Correct 18 ms 5208 KB Output is correct
38 Correct 23 ms 5468 KB Output is correct
39 Correct 20 ms 5468 KB Output is correct
40 Correct 25 ms 5596 KB Output is correct
41 Correct 19 ms 5464 KB Output is correct
42 Correct 10 ms 2396 KB Output is correct
43 Correct 10 ms 2316 KB Output is correct
44 Correct 11 ms 2396 KB Output is correct
45 Correct 23 ms 8332 KB Output is correct
46 Correct 23 ms 8284 KB Output is correct
47 Correct 42 ms 12760 KB Output is correct
48 Correct 18 ms 6104 KB Output is correct
49 Correct 16 ms 5296 KB Output is correct
50 Correct 11 ms 4956 KB Output is correct
51 Correct 34 ms 8496 KB Output is correct
52 Correct 34 ms 9112 KB Output is correct
53 Correct 23 ms 6108 KB Output is correct
54 Correct 3 ms 3164 KB Output is correct
55 Correct 4 ms 3420 KB Output is correct
56 Correct 22 ms 5468 KB Output is correct
57 Correct 31 ms 11700 KB Output is correct
58 Correct 13 ms 4020 KB Output is correct
59 Correct 14 ms 4316 KB Output is correct
60 Correct 15 ms 5024 KB Output is correct
61 Correct 14 ms 4364 KB Output is correct
62 Correct 26 ms 9388 KB Output is correct
63 Correct 70 ms 27864 KB Output is correct
64 Correct 76 ms 36468 KB Output is correct
65 Correct 110 ms 46148 KB Output is correct
66 Correct 177 ms 74824 KB Output is correct
67 Correct 195 ms 75732 KB Output is correct