oj.uz

답안 #771280

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
771280 2023-07-02T19:09:20 Z IBory Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 113436 KB 
#include <bits/stdc++.h>
#define pii pair<int, int>
using namespace std;

const int MAX = 7777777;
vector<int> G[30003];
int D[MAX], L[MAX];
pii B[MAX];

int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	int N, M;
	cin >> N >> M;
	map<pii, vector<int>> make;
	pii S, E;
	for (int i = 0; i < M; ++i) {
		int b, p;
		cin >> b >> p; b++;
		if (i == 0) S = { b, p };
		if (i == 1) E = { b, p };
		make[{p, b % p}].push_back(b);
	}

	int node = N + 1, SN, EN;
	for (auto& [q, v] : make) {
		sort(v.begin(), v.end());
		v.erase(unique(v.begin(), v.end()), v.end());
		auto [p, i] = q;
		if (!i) i += p;
		vector<int> fr;
		int init = node;
		B[init] = { p, i };
		for (int j = i; j <= N; j += p) {
			if (S == pii{ j, p }) SN = node;
			if (E == pii{ j, p }) EN = node;
			L[node] = init;
			fr.push_back(node++);
		}
		for (int n : v) {
			G[n].push_back(-fr[(n - 1) / p]);
		}
	}
	L[node] = 1;
	make.clear();

	memset(D, 0x3f, sizeof(D));
	D[SN] = 0;
	deque<int> Q;
	Q.push_back(SN);
	while (!Q.empty()) {
		int cur = Q.front(); Q.pop_front();
		if (cur == EN) break;

		if (cur <= N) {
			for (int next : G[cur]) {
				int d = 1;
				if (next < 0) {
					d = 0;
					next *= -1;
				}
				if (D[cur] + d >= D[next]) continue;
				D[next] = D[cur] + d;
				if (d == 0) Q.push_front(next);
				else Q.push_back(next);
			}
		}
		else {
			vector<int> AG;
			int t = L[cur];
			int RN = B[t].second + B[t].first * (cur - t);
			if (L[cur] != cur) AG.push_back(cur - 1);
			if (L[cur + 1] != (cur + 1)) AG.push_back(cur + 1);
			AG.push_back(-RN);

			for (int next : AG) {
				int d = 1;
				if (next < 0) {
					d = 0;
					next *= -1;
				}
				if (D[cur] + d >= D[next]) continue;
				D[next] = D[cur] + d;
				if (d == 0) Q.push_front(next);
				else Q.push_back(next);
			}
		}
	}

	cout << (D[EN] > 1E9 ? -1 : D[EN]);
	return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:89:15: warning: 'EN' may be used uninitialized in this function [-Wmaybe-uninitialized]
   89 |  cout << (D[EN] > 1E9 ? -1 : D[EN]);
      |           ~~~~^

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 31444 KB Output is correct
2 Correct 15 ms 31448 KB Output is correct
3 Correct 16 ms 31444 KB Output is correct
4 Correct 526 ms 31484 KB Output is correct
5 Correct 13 ms 31444 KB Output is correct
6 Correct 13 ms 31368 KB Output is correct
7 Correct 15 ms 31432 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 31444 KB Output is correct
2 Correct 14 ms 31452 KB Output is correct
3 Correct 12 ms 31444 KB Output is correct
4 Correct 472 ms 31476 KB Output is correct
5 Correct 13 ms 31444 KB Output is correct
6 Correct 13 ms 31444 KB Output is correct
7 Correct 13 ms 31472 KB Output is correct
8 Correct 12 ms 31444 KB Output is correct
9 Correct 13 ms 31444 KB Output is correct
10 Correct 13 ms 31552 KB Output is correct
11 Correct 16 ms 31700 KB Output is correct
12 Correct 15 ms 31408 KB Output is correct
13 Correct 14 ms 31444 KB Output is correct
14 Correct 14 ms 31736 KB Output is correct
15 Correct 14 ms 31792 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 31380 KB Output is correct
2 Correct 12 ms 31444 KB Output is correct
3 Correct 13 ms 31420 KB Output is correct
4 Correct 463 ms 31508 KB Output is correct
5 Correct 15 ms 31480 KB Output is correct
6 Correct 13 ms 31448 KB Output is correct
7 Correct 12 ms 31456 KB Output is correct
8 Correct 13 ms 31444 KB Output is correct
9 Correct 13 ms 31444 KB Output is correct
10 Correct 13 ms 31496 KB Output is correct
11 Correct 13 ms 31716 KB Output is correct
12 Correct 13 ms 31404 KB Output is correct
13 Correct 13 ms 31444 KB Output is correct
14 Correct 14 ms 31700 KB Output is correct
15 Correct 14 ms 31792 KB Output is correct
16 Correct 13 ms 31576 KB Output is correct
17 Correct 14 ms 31828 KB Output is correct
18 Correct 13 ms 31580 KB Output is correct
19 Correct 13 ms 31552 KB Output is correct
20 Correct 15 ms 31492 KB Output is correct
21 Correct 14 ms 31572 KB Output is correct
22 Correct 13 ms 31596 KB Output is correct
23 Correct 14 ms 31572 KB Output is correct
24 Correct 14 ms 31844 KB Output is correct
25 Correct 14 ms 31788 KB Output is correct
26 Correct 13 ms 31512 KB Output is correct
27 Correct 14 ms 31584 KB Output is correct
28 Correct 16 ms 31916 KB Output is correct
29 Correct 18 ms 32264 KB Output is correct
30 Correct 18 ms 31700 KB Output is correct
31 Correct 15 ms 31884 KB Output is correct
32 Correct 18 ms 31680 KB Output is correct
33 Correct 24 ms 33112 KB Output is correct
34 Correct 20 ms 33020 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 31444 KB Output is correct
2 Correct 13 ms 31444 KB Output is correct
3 Correct 12 ms 31444 KB Output is correct
4 Correct 492 ms 31512 KB Output is correct
5 Correct 13 ms 31444 KB Output is correct
6 Correct 12 ms 31444 KB Output is correct
7 Correct 12 ms 31444 KB Output is correct
8 Correct 13 ms 31444 KB Output is correct
9 Correct 13 ms 31448 KB Output is correct
10 Correct 13 ms 31504 KB Output is correct
11 Correct 13 ms 31648 KB Output is correct
12 Correct 13 ms 31460 KB Output is correct
13 Correct 13 ms 31444 KB Output is correct
14 Correct 14 ms 31788 KB Output is correct
15 Correct 14 ms 31760 KB Output is correct
16 Correct 14 ms 31572 KB Output is correct
17 Correct 14 ms 31844 KB Output is correct
18 Correct 14 ms 31700 KB Output is correct
19 Correct 13 ms 31572 KB Output is correct
20 Correct 13 ms 31572 KB Output is correct
21 Correct 13 ms 31584 KB Output is correct
22 Correct 12 ms 31560 KB Output is correct
23 Correct 14 ms 31672 KB Output is correct
24 Correct 14 ms 31868 KB Output is correct
25 Correct 13 ms 31700 KB Output is correct
26 Correct 13 ms 31572 KB Output is correct
27 Correct 13 ms 31508 KB Output is correct
28 Correct 17 ms 31956 KB Output is correct
29 Correct 18 ms 32160 KB Output is correct
30 Correct 15 ms 31700 KB Output is correct
31 Correct 18 ms 31944 KB Output is correct
32 Correct 15 ms 31756 KB Output is correct
33 Correct 24 ms 33120 KB Output is correct
34 Correct 20 ms 33108 KB Output is correct
35 Correct 31 ms 35628 KB Output is correct
36 Correct 15 ms 32212 KB Output is correct
37 Correct 32 ms 35756 KB Output is correct
38 Correct 34 ms 36732 KB Output is correct
39 Correct 30 ms 36812 KB Output is correct
40 Correct 40 ms 36776 KB Output is correct
41 Correct 34 ms 36788 KB Output is correct
42 Correct 17 ms 31584 KB Output is correct
43 Correct 16 ms 31652 KB Output is correct
44 Correct 16 ms 31652 KB Output is correct
45 Correct 75 ms 40544 KB Output is correct
46 Correct 57 ms 40584 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 31444 KB Output is correct
2 Correct 13 ms 31464 KB Output is correct
3 Correct 13 ms 31444 KB Output is correct
4 Correct 501 ms 31516 KB Output is correct
5 Correct 13 ms 31444 KB Output is correct
6 Correct 13 ms 31460 KB Output is correct
7 Correct 15 ms 31484 KB Output is correct
8 Correct 13 ms 31452 KB Output is correct
9 Correct 13 ms 31368 KB Output is correct
10 Correct 12 ms 31444 KB Output is correct
11 Correct 13 ms 31700 KB Output is correct
12 Correct 13 ms 31444 KB Output is correct
13 Correct 13 ms 31380 KB Output is correct
14 Correct 14 ms 31772 KB Output is correct
15 Correct 15 ms 31772 KB Output is correct
16 Correct 13 ms 31616 KB Output is correct
17 Correct 14 ms 31868 KB Output is correct
18 Correct 13 ms 31596 KB Output is correct
19 Correct 13 ms 31556 KB Output is correct
20 Correct 13 ms 31496 KB Output is correct
21 Correct 13 ms 31572 KB Output is correct
22 Correct 13 ms 31584 KB Output is correct
23 Correct 14 ms 31572 KB Output is correct
24 Correct 17 ms 31788 KB Output is correct
25 Correct 17 ms 31700 KB Output is correct
26 Correct 13 ms 31572 KB Output is correct
27 Correct 13 ms 31572 KB Output is correct
28 Correct 17 ms 31956 KB Output is correct
29 Correct 22 ms 32284 KB Output is correct
30 Correct 18 ms 31612 KB Output is correct
31 Correct 19 ms 31828 KB Output is correct
32 Correct 15 ms 31700 KB Output is correct
33 Correct 24 ms 33008 KB Output is correct
34 Correct 20 ms 33060 KB Output is correct
35 Correct 32 ms 35672 KB Output is correct
36 Correct 15 ms 32212 KB Output is correct
37 Correct 30 ms 35672 KB Output is correct
38 Correct 34 ms 36700 KB Output is correct
39 Correct 29 ms 36696 KB Output is correct
40 Correct 32 ms 36708 KB Output is correct
41 Correct 32 ms 36784 KB Output is correct
42 Correct 16 ms 31584 KB Output is correct
43 Correct 18 ms 31712 KB Output is correct
44 Correct 16 ms 31688 KB Output is correct
45 Correct 76 ms 40512 KB Output is correct
46 Correct 57 ms 40496 KB Output is correct
47 Correct 36 ms 42188 KB Output is correct
48 Correct 27 ms 36472 KB Output is correct
49 Correct 26 ms 35708 KB Output is correct
50 Correct 21 ms 34780 KB Output is correct
51 Correct 43 ms 38284 KB Output is correct
52 Correct 41 ms 38492 KB Output is correct
53 Correct 30 ms 35952 KB Output is correct
54 Correct 487 ms 31728 KB Output is correct
55 Correct 530 ms 31840 KB Output is correct
56 Correct 21 ms 32636 KB Output is correct
57 Correct 16 ms 34644 KB Output is correct
58 Correct 22 ms 31908 KB Output is correct
59 Correct 25 ms 32040 KB Output is correct
60 Correct 25 ms 32456 KB Output is correct
61 Correct 23 ms 32624 KB Output is correct
62 Correct 84 ms 40180 KB Output is correct
63 Correct 298 ms 61540 KB Output is correct
64 Correct 328 ms 67540 KB Output is correct
65 Correct 639 ms 82084 KB Output is correct
66 Execution timed out 1088 ms 113436 KB Time limit exceeded
67 Halted 0 ms 0 KB -