oj.uz

답안 #771276

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
771276 2023-07-02T19:01:02 Z IBory Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 925 ms 113496 KB 
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")

#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) {
		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:91:15: warning: 'EN' may be used uninitialized in this function [-Wmaybe-uninitialized]
   91 |  cout << (D[EN] > 1E9 ? -1 : D[EN]);
      |           ~~~~^

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 31444 KB Output is correct
2 Correct 12 ms 31380 KB Output is correct
3 Correct 12 ms 31444 KB Output is correct
4 Correct 509 ms 31636 KB Output is correct
5 Correct 12 ms 31444 KB Output is correct
6 Correct 12 ms 31360 KB Output is correct
7 Correct 12 ms 31380 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 31364 KB Output is correct
2 Correct 12 ms 31468 KB Output is correct
3 Correct 11 ms 31444 KB Output is correct
4 Correct 489 ms 31608 KB Output is correct
5 Correct 12 ms 31388 KB Output is correct
6 Correct 12 ms 31444 KB Output is correct
7 Correct 12 ms 31444 KB Output is correct
8 Correct 14 ms 31376 KB Output is correct
9 Correct 12 ms 31420 KB Output is correct
10 Correct 12 ms 31480 KB Output is correct
11 Correct 13 ms 31636 KB Output is correct
12 Correct 12 ms 31444 KB Output is correct
13 Correct 12 ms 31468 KB Output is correct
14 Correct 13 ms 31700 KB Output is correct
15 Correct 14 ms 31796 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 31372 KB Output is correct
2 Correct 12 ms 31424 KB Output is correct
3 Correct 14 ms 31392 KB Output is correct
4 Correct 501 ms 31504 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 15 ms 31476 KB Output is correct
9 Correct 12 ms 31384 KB Output is correct
10 Correct 12 ms 31520 KB Output is correct
11 Correct 13 ms 31708 KB Output is correct
12 Correct 12 ms 31444 KB Output is correct
13 Correct 13 ms 31428 KB Output is correct
14 Correct 13 ms 31700 KB Output is correct
15 Correct 13 ms 31700 KB Output is correct
16 Correct 12 ms 31572 KB Output is correct
17 Correct 13 ms 31796 KB Output is correct
18 Correct 12 ms 31592 KB Output is correct
19 Correct 12 ms 31556 KB Output is correct
20 Correct 13 ms 31564 KB Output is correct
21 Correct 13 ms 31644 KB Output is correct
22 Correct 12 ms 31556 KB Output is correct
23 Correct 13 ms 31572 KB Output is correct
24 Correct 13 ms 31800 KB Output is correct
25 Correct 14 ms 31700 KB Output is correct
26 Correct 14 ms 31528 KB Output is correct
27 Correct 13 ms 31572 KB Output is correct
28 Correct 16 ms 31956 KB Output is correct
29 Correct 17 ms 32196 KB Output is correct
30 Correct 17 ms 31584 KB Output is correct
31 Correct 17 ms 31884 KB Output is correct
32 Correct 15 ms 31700 KB Output is correct
33 Correct 22 ms 33108 KB Output is correct
34 Correct 18 ms 33108 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 31444 KB Output is correct
2 Correct 11 ms 31444 KB Output is correct
3 Correct 11 ms 31444 KB Output is correct
4 Correct 525 ms 31632 KB Output is correct
5 Correct 12 ms 31444 KB Output is correct
6 Correct 12 ms 31420 KB Output is correct
7 Correct 11 ms 31396 KB Output is correct
8 Correct 12 ms 31440 KB Output is correct
9 Correct 12 ms 31424 KB Output is correct
10 Correct 12 ms 31460 KB Output is correct
11 Correct 13 ms 31652 KB Output is correct
12 Correct 12 ms 31444 KB Output is correct
13 Correct 12 ms 31444 KB Output is correct
14 Correct 13 ms 31700 KB Output is correct
15 Correct 14 ms 31820 KB Output is correct
16 Correct 12 ms 31584 KB Output is correct
17 Correct 13 ms 31824 KB Output is correct
18 Correct 12 ms 31572 KB Output is correct
19 Correct 14 ms 31552 KB Output is correct
20 Correct 12 ms 31444 KB Output is correct
21 Correct 13 ms 31644 KB Output is correct
22 Correct 13 ms 31524 KB Output is correct
23 Correct 13 ms 31596 KB Output is correct
24 Correct 13 ms 31828 KB Output is correct
25 Correct 13 ms 31716 KB Output is correct
26 Correct 12 ms 31580 KB Output is correct
27 Correct 13 ms 31572 KB Output is correct
28 Correct 15 ms 31956 KB Output is correct
29 Correct 17 ms 32232 KB Output is correct
30 Correct 14 ms 31700 KB Output is correct
31 Correct 15 ms 31828 KB Output is correct
32 Correct 17 ms 31700 KB Output is correct
33 Correct 23 ms 33108 KB Output is correct
34 Correct 19 ms 33028 KB Output is correct
35 Correct 31 ms 35696 KB Output is correct
36 Correct 14 ms 32228 KB Output is correct
37 Correct 28 ms 35680 KB Output is correct
38 Correct 33 ms 36784 KB Output is correct
39 Correct 28 ms 36684 KB Output is correct
40 Correct 32 ms 36732 KB Output is correct
41 Correct 31 ms 36764 KB Output is correct
42 Correct 16 ms 31916 KB Output is correct
43 Correct 15 ms 31952 KB Output is correct
44 Correct 15 ms 31828 KB Output is correct
45 Correct 77 ms 40488 KB Output is correct
46 Correct 55 ms 40512 KB Output is correct

Subtask #5
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 31444 KB Output is correct
2 Correct 12 ms 31380 KB Output is correct
3 Correct 12 ms 31444 KB Output is correct
4 Correct 496 ms 31432 KB Output is correct
5 Correct 12 ms 31408 KB Output is correct
6 Correct 13 ms 31368 KB Output is correct
7 Correct 13 ms 31444 KB Output is correct
8 Correct 12 ms 31372 KB Output is correct
9 Correct 12 ms 31372 KB Output is correct
10 Correct 12 ms 31444 KB Output is correct
11 Correct 12 ms 31620 KB Output is correct
12 Correct 12 ms 31404 KB Output is correct
13 Correct 12 ms 31412 KB Output is correct
14 Correct 13 ms 31696 KB Output is correct
15 Correct 13 ms 31700 KB Output is correct
16 Correct 12 ms 31572 KB Output is correct
17 Correct 13 ms 31796 KB Output is correct
18 Correct 15 ms 31680 KB Output is correct
19 Correct 12 ms 31512 KB Output is correct
20 Correct 13 ms 31572 KB Output is correct
21 Correct 13 ms 31544 KB Output is correct
22 Correct 15 ms 31556 KB Output is correct
23 Correct 15 ms 31660 KB Output is correct
24 Correct 13 ms 31828 KB Output is correct
25 Correct 13 ms 31804 KB Output is correct
26 Correct 13 ms 31532 KB Output is correct
27 Correct 12 ms 31572 KB Output is correct
28 Correct 15 ms 31920 KB Output is correct
29 Correct 17 ms 32256 KB Output is correct
30 Correct 13 ms 31700 KB Output is correct
31 Correct 15 ms 31828 KB Output is correct
32 Correct 15 ms 31700 KB Output is correct
33 Correct 23 ms 33124 KB Output is correct
34 Correct 19 ms 33016 KB Output is correct
35 Correct 31 ms 35672 KB Output is correct
36 Correct 14 ms 32212 KB Output is correct
37 Correct 30 ms 35668 KB Output is correct
38 Correct 34 ms 36824 KB Output is correct
39 Correct 28 ms 36704 KB Output is correct
40 Correct 31 ms 36712 KB Output is correct
41 Correct 29 ms 36820 KB Output is correct
42 Correct 16 ms 31880 KB Output is correct
43 Correct 15 ms 31916 KB Output is correct
44 Correct 15 ms 31888 KB Output is correct
45 Correct 74 ms 40576 KB Output is correct
46 Correct 57 ms 40576 KB Output is correct
47 Correct 35 ms 42268 KB Output is correct
48 Correct 28 ms 36436 KB Output is correct
49 Correct 24 ms 35796 KB Output is correct
50 Correct 20 ms 34772 KB Output is correct
51 Correct 39 ms 38252 KB Output is correct
52 Correct 38 ms 38520 KB Output is correct
53 Correct 30 ms 35924 KB Output is correct
54 Correct 488 ms 31844 KB Output is correct
55 Correct 543 ms 31876 KB Output is correct
56 Correct 19 ms 32604 KB Output is correct
57 Correct 14 ms 34644 KB Output is correct
58 Correct 21 ms 32220 KB Output is correct
59 Correct 19 ms 32344 KB Output is correct
60 Correct 20 ms 32708 KB Output is correct
61 Correct 20 ms 32792 KB Output is correct
62 Correct 82 ms 40240 KB Output is correct
63 Correct 284 ms 61548 KB Output is correct
64 Correct 334 ms 67624 KB Output is correct
65 Correct 519 ms 82132 KB Output is correct
66 Correct 925 ms 113492 KB Output is correct
67 Correct 633 ms 113496 KB Output is correct