Submission #698335

# Submission time Handle Problem Language Result Execution time Memory
698335 2023-02-13T07:07:40 Z jk410 Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
119 ms 76612 KB
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx2")
#define all(v) v.begin(),v.end()
#define compress(v) v.erase(unique(all(v)),v.end())
using namespace std;
const int INF = (int)1e9;
struct edge {
	int v, cost;
	bool operator<(const edge& tmp)const {
		return cost > tmp.cost;
	}
};
int N,M,SQRT;
int B[30000];
vector<int> P[30000];
bool Used[30000][173];
vector<edge> Edge[30000];
int Dist[30000];
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin >> N >> M;
	SQRT = (int)sqrt(N);
	for (int i = 0; i < M; i++) {
		int p;
		cin >> B[i] >> p;
		if (p < SQRT)
			P[B[i]].push_back(p);
		else {
			for (int j = 1; B[i] - j * p >= 0; j++)
				Edge[B[i]].push_back({ B[i] - j * p,j });
			for (int j = 1; B[i] + j * p < N; j++)
				Edge[B[i]].push_back({ B[i] + j * p,j });
		}
	}
	for (int i = 0; i < N; i++) {
		for (int j : P[i]) {
			for (int k = 1; i - k * j >= 0; k++) {
				Edge[i].push_back({ i - k * j,k });
				if (Used[i - k * j][j])
					break;
				Used[i - k * j][j] = true;
			}
		}
	}
	for (int i = N - 1; i >= 0; i--) {
		fill(Used[i], Used[i] + SQRT, false);
		for (int j : P[i]) {
			for (int k = 1; i + k * j < N; k++) {
				Edge[i].push_back({ i + k * j,k });
				if (Used[i + k * j][j])
					break;
				Used[i + k * j][j] = true;
			}
		}
	}
	priority_queue<edge> q;
	fill(Dist, Dist + N, INF);
	Dist[B[0]] = 0;
	q.push({ B[0],0});
	while (!q.empty()) {
		auto t = q.top();
		q.pop();
		if (Dist[t.v] < t.cost)
			continue;
		for (edge i : Edge[t.v]) {
			if (Dist[i.v] > t.cost + i.cost) {
				Dist[i.v] = t.cost + i.cost;
				q.push({ i.v,Dist[i.v] });
			}
		}
	}
	int ans = Dist[B[1]];
	if (ans == INF)
		ans = -1;
	cout << ans;
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1748 KB Output is correct
2 Correct 1 ms 1748 KB Output is correct
3 Correct 1 ms 1748 KB Output is correct
4 Correct 1 ms 1748 KB Output is correct
5 Correct 1 ms 1748 KB Output is correct
6 Correct 1 ms 1756 KB Output is correct
7 Correct 1 ms 1716 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1748 KB Output is correct
2 Correct 1 ms 1748 KB Output is correct
3 Correct 2 ms 1748 KB Output is correct
4 Correct 2 ms 1748 KB Output is correct
5 Correct 2 ms 1620 KB Output is correct
6 Correct 2 ms 1748 KB Output is correct
7 Correct 1 ms 1748 KB Output is correct
8 Correct 1 ms 1752 KB Output is correct
9 Correct 1 ms 1748 KB Output is correct
10 Correct 1 ms 1748 KB Output is correct
11 Correct 2 ms 1748 KB Output is correct
12 Correct 2 ms 1748 KB Output is correct
13 Correct 1 ms 1748 KB Output is correct
14 Correct 2 ms 1748 KB Output is correct
15 Correct 1 ms 1764 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1752 KB Output is correct
2 Correct 1 ms 1752 KB Output is correct
3 Correct 2 ms 1748 KB Output is correct
4 Correct 1 ms 1748 KB Output is correct
5 Correct 1 ms 1748 KB Output is correct
6 Correct 1 ms 1748 KB Output is correct
7 Correct 1 ms 1748 KB Output is correct
8 Correct 1 ms 1748 KB Output is correct
9 Correct 1 ms 1748 KB Output is correct
10 Correct 1 ms 1748 KB Output is correct
11 Correct 2 ms 1748 KB Output is correct
12 Correct 1 ms 1748 KB Output is correct
13 Correct 1 ms 1748 KB Output is correct
14 Correct 1 ms 1756 KB Output is correct
15 Correct 1 ms 1760 KB Output is correct
16 Correct 1 ms 1748 KB Output is correct
17 Correct 2 ms 2004 KB Output is correct
18 Correct 2 ms 2132 KB Output is correct
19 Correct 1 ms 2132 KB Output is correct
20 Correct 2 ms 2260 KB Output is correct
21 Correct 1 ms 1760 KB Output is correct
22 Correct 2 ms 2132 KB Output is correct
23 Correct 2 ms 2004 KB Output is correct
24 Correct 2 ms 2260 KB Output is correct
25 Correct 2 ms 2260 KB Output is correct
26 Correct 2 ms 2260 KB Output is correct
27 Correct 3 ms 2132 KB Output is correct
28 Correct 2 ms 2260 KB Output is correct
29 Correct 3 ms 2772 KB Output is correct
30 Correct 2 ms 2388 KB Output is correct
31 Correct 2 ms 2516 KB Output is correct
32 Correct 2 ms 2388 KB Output is correct
33 Correct 4 ms 3540 KB Output is correct
34 Correct 4 ms 3540 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1748 KB Output is correct
2 Correct 1 ms 1748 KB Output is correct
3 Correct 1 ms 1748 KB Output is correct
4 Correct 1 ms 1748 KB Output is correct
5 Correct 1 ms 1748 KB Output is correct
6 Correct 1 ms 1748 KB Output is correct
7 Correct 1 ms 1748 KB Output is correct
8 Correct 2 ms 1752 KB Output is correct
9 Correct 2 ms 1748 KB Output is correct
10 Correct 1 ms 1748 KB Output is correct
11 Correct 1 ms 1748 KB Output is correct
12 Correct 1 ms 1748 KB Output is correct
13 Correct 1 ms 1748 KB Output is correct
14 Correct 2 ms 1760 KB Output is correct
15 Correct 2 ms 1760 KB Output is correct
16 Correct 2 ms 1752 KB Output is correct
17 Correct 3 ms 2004 KB Output is correct
18 Correct 2 ms 2132 KB Output is correct
19 Correct 2 ms 2132 KB Output is correct
20 Correct 3 ms 2260 KB Output is correct
21 Correct 1 ms 1760 KB Output is correct
22 Correct 2 ms 2132 KB Output is correct
23 Correct 2 ms 2132 KB Output is correct
24 Correct 2 ms 2260 KB Output is correct
25 Correct 3 ms 2260 KB Output is correct
26 Correct 2 ms 2260 KB Output is correct
27 Correct 2 ms 2132 KB Output is correct
28 Correct 2 ms 2260 KB Output is correct
29 Correct 3 ms 2772 KB Output is correct
30 Correct 2 ms 2388 KB Output is correct
31 Correct 2 ms 2516 KB Output is correct
32 Correct 3 ms 2388 KB Output is correct
33 Correct 4 ms 3540 KB Output is correct
34 Correct 4 ms 3584 KB Output is correct
35 Correct 7 ms 3436 KB Output is correct
36 Correct 2 ms 2132 KB Output is correct
37 Correct 9 ms 4692 KB Output is correct
38 Correct 12 ms 4436 KB Output is correct
39 Correct 9 ms 4436 KB Output is correct
40 Correct 9 ms 4564 KB Output is correct
41 Correct 10 ms 4564 KB Output is correct
42 Correct 6 ms 3348 KB Output is correct
43 Correct 5 ms 3152 KB Output is correct
44 Correct 6 ms 3280 KB Output is correct
45 Correct 11 ms 7508 KB Output is correct
46 Correct 11 ms 7524 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 1700 KB Output is correct
2 Correct 1 ms 1748 KB Output is correct
3 Correct 1 ms 1748 KB Output is correct
4 Correct 1 ms 1748 KB Output is correct
5 Correct 1 ms 1748 KB Output is correct
6 Correct 1 ms 1748 KB Output is correct
7 Correct 1 ms 1752 KB Output is correct
8 Correct 1 ms 1752 KB Output is correct
9 Correct 1 ms 1748 KB Output is correct
10 Correct 1 ms 1748 KB Output is correct
11 Correct 2 ms 1748 KB Output is correct
12 Correct 1 ms 1760 KB Output is correct
13 Correct 2 ms 1748 KB Output is correct
14 Correct 1 ms 1748 KB Output is correct
15 Correct 1 ms 1748 KB Output is correct
16 Correct 1 ms 1748 KB Output is correct
17 Correct 2 ms 2004 KB Output is correct
18 Correct 2 ms 2132 KB Output is correct
19 Correct 2 ms 2132 KB Output is correct
20 Correct 2 ms 2260 KB Output is correct
21 Correct 1 ms 1748 KB Output is correct
22 Correct 2 ms 2140 KB Output is correct
23 Correct 2 ms 2132 KB Output is correct
24 Correct 2 ms 2260 KB Output is correct
25 Correct 2 ms 2148 KB Output is correct
26 Correct 3 ms 2280 KB Output is correct
27 Correct 2 ms 2132 KB Output is correct
28 Correct 2 ms 2260 KB Output is correct
29 Correct 3 ms 2772 KB Output is correct
30 Correct 2 ms 2388 KB Output is correct
31 Correct 2 ms 2516 KB Output is correct
32 Correct 2 ms 2388 KB Output is correct
33 Correct 4 ms 3540 KB Output is correct
34 Correct 4 ms 3540 KB Output is correct
35 Correct 7 ms 3412 KB Output is correct
36 Correct 3 ms 2132 KB Output is correct
37 Correct 9 ms 4768 KB Output is correct
38 Correct 9 ms 4468 KB Output is correct
39 Correct 9 ms 4436 KB Output is correct
40 Correct 9 ms 4564 KB Output is correct
41 Correct 9 ms 4580 KB Output is correct
42 Correct 6 ms 3220 KB Output is correct
43 Correct 5 ms 3152 KB Output is correct
44 Correct 5 ms 3280 KB Output is correct
45 Correct 11 ms 7508 KB Output is correct
46 Correct 13 ms 7544 KB Output is correct
47 Correct 24 ms 13904 KB Output is correct
48 Correct 12 ms 8532 KB Output is correct
49 Correct 10 ms 7892 KB Output is correct
50 Correct 10 ms 8276 KB Output is correct
51 Correct 28 ms 11316 KB Output is correct
52 Correct 29 ms 11800 KB Output is correct
53 Correct 16 ms 8992 KB Output is correct
54 Correct 6 ms 7380 KB Output is correct
55 Correct 8 ms 7888 KB Output is correct
56 Correct 16 ms 9556 KB Output is correct
57 Correct 31 ms 16100 KB Output is correct
58 Correct 12 ms 8780 KB Output is correct
59 Correct 13 ms 9248 KB Output is correct
60 Correct 14 ms 9928 KB Output is correct
61 Correct 13 ms 9032 KB Output is correct
62 Correct 19 ms 12348 KB Output is correct
63 Correct 49 ms 32720 KB Output is correct
64 Correct 59 ms 40236 KB Output is correct
65 Correct 76 ms 50248 KB Output is correct
66 Correct 116 ms 74824 KB Output is correct
67 Correct 119 ms 76612 KB Output is correct