oj.uz

답안 #771274

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
771274 2023-07-02T18:59:01 Z IBory Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 999 ms 116668 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 = 8555555;
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 13 ms 34516 KB Output is correct
2 Correct 15 ms 34516 KB Output is correct
3 Correct 13 ms 34504 KB Output is correct
4 Correct 534 ms 34680 KB Output is correct
5 Correct 12 ms 34516 KB Output is correct
6 Correct 14 ms 34520 KB Output is correct
7 Correct 11 ms 34516 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 34404 KB Output is correct
2 Correct 12 ms 34516 KB Output is correct
3 Correct 12 ms 34504 KB Output is correct
4 Correct 541 ms 34516 KB Output is correct
5 Correct 15 ms 34516 KB Output is correct
6 Correct 12 ms 34444 KB Output is correct
7 Correct 12 ms 34516 KB Output is correct
8 Correct 12 ms 34472 KB Output is correct
9 Correct 13 ms 34508 KB Output is correct
10 Correct 13 ms 34480 KB Output is correct
11 Correct 14 ms 34660 KB Output is correct
12 Correct 13 ms 34516 KB Output is correct
13 Correct 13 ms 34520 KB Output is correct
14 Correct 14 ms 34772 KB Output is correct
15 Correct 16 ms 34732 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 34404 KB Output is correct
2 Correct 13 ms 34448 KB Output is correct
3 Correct 12 ms 34468 KB Output is correct
4 Correct 572 ms 34568 KB Output is correct
5 Correct 13 ms 34444 KB Output is correct
6 Correct 13 ms 34516 KB Output is correct
7 Correct 13 ms 34444 KB Output is correct
8 Correct 13 ms 34516 KB Output is correct
9 Correct 13 ms 34452 KB Output is correct
10 Correct 14 ms 34484 KB Output is correct
11 Correct 16 ms 34692 KB Output is correct
12 Correct 14 ms 34564 KB Output is correct
13 Correct 13 ms 34516 KB Output is correct
14 Correct 14 ms 34772 KB Output is correct
15 Correct 13 ms 34772 KB Output is correct
16 Correct 12 ms 34568 KB Output is correct
17 Correct 14 ms 34864 KB Output is correct
18 Correct 13 ms 34696 KB Output is correct
19 Correct 13 ms 34644 KB Output is correct
20 Correct 13 ms 34532 KB Output is correct
21 Correct 13 ms 34644 KB Output is correct
22 Correct 13 ms 34644 KB Output is correct
23 Correct 13 ms 34644 KB Output is correct
24 Correct 14 ms 34864 KB Output is correct
25 Correct 14 ms 34836 KB Output is correct
26 Correct 13 ms 34644 KB Output is correct
27 Correct 14 ms 34616 KB Output is correct
28 Correct 17 ms 34944 KB Output is correct
29 Correct 19 ms 35336 KB Output is correct
30 Correct 15 ms 34664 KB Output is correct
31 Correct 17 ms 34900 KB Output is correct
32 Correct 15 ms 34772 KB Output is correct
33 Correct 24 ms 36156 KB Output is correct
34 Correct 23 ms 36044 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 34516 KB Output is correct
2 Correct 14 ms 34524 KB Output is correct
3 Correct 12 ms 34516 KB Output is correct
4 Correct 537 ms 34560 KB Output is correct
5 Correct 17 ms 34436 KB Output is correct
6 Correct 13 ms 34516 KB Output is correct
7 Correct 13 ms 34512 KB Output is correct
8 Correct 14 ms 34508 KB Output is correct
9 Correct 13 ms 34516 KB Output is correct
10 Correct 13 ms 34536 KB Output is correct
11 Correct 14 ms 34700 KB Output is correct
12 Correct 13 ms 34516 KB Output is correct
13 Correct 13 ms 34556 KB Output is correct
14 Correct 14 ms 34772 KB Output is correct
15 Correct 18 ms 34816 KB Output is correct
16 Correct 12 ms 34644 KB Output is correct
17 Correct 14 ms 34900 KB Output is correct
18 Correct 13 ms 34616 KB Output is correct
19 Correct 13 ms 34616 KB Output is correct
20 Correct 14 ms 34516 KB Output is correct
21 Correct 17 ms 34584 KB Output is correct
22 Correct 13 ms 34644 KB Output is correct
23 Correct 14 ms 34648 KB Output is correct
24 Correct 24 ms 34900 KB Output is correct
25 Correct 15 ms 34844 KB Output is correct
26 Correct 17 ms 34644 KB Output is correct
27 Correct 15 ms 34544 KB Output is correct
28 Correct 17 ms 35028 KB Output is correct
29 Correct 19 ms 35284 KB Output is correct
30 Correct 14 ms 34756 KB Output is correct
31 Correct 15 ms 34904 KB Output is correct
32 Correct 15 ms 34856 KB Output is correct
33 Correct 23 ms 36156 KB Output is correct
34 Correct 20 ms 36052 KB Output is correct
35 Correct 39 ms 38604 KB Output is correct
36 Correct 16 ms 35196 KB Output is correct
37 Correct 31 ms 38688 KB Output is correct
38 Correct 34 ms 39872 KB Output is correct
39 Correct 29 ms 39756 KB Output is correct
40 Correct 31 ms 39764 KB Output is correct
41 Correct 29 ms 39764 KB Output is correct
42 Correct 16 ms 35028 KB Output is correct
43 Correct 16 ms 34944 KB Output is correct
44 Correct 16 ms 34900 KB Output is correct
45 Correct 75 ms 43624 KB Output is correct
46 Correct 58 ms 43620 KB Output is correct

Subtask #5
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 34516 KB Output is correct
2 Correct 13 ms 34424 KB Output is correct
3 Correct 13 ms 34516 KB Output is correct
4 Correct 563 ms 34548 KB Output is correct
5 Correct 13 ms 34516 KB Output is correct
6 Correct 14 ms 34408 KB Output is correct
7 Correct 13 ms 34512 KB Output is correct
8 Correct 13 ms 34444 KB Output is correct
9 Correct 13 ms 34444 KB Output is correct
10 Correct 14 ms 34496 KB Output is correct
11 Correct 14 ms 34676 KB Output is correct
12 Correct 13 ms 34560 KB Output is correct
13 Correct 12 ms 34516 KB Output is correct
14 Correct 13 ms 34764 KB Output is correct
15 Correct 14 ms 34764 KB Output is correct
16 Correct 13 ms 34644 KB Output is correct
17 Correct 14 ms 34888 KB Output is correct
18 Correct 13 ms 34644 KB Output is correct
19 Correct 12 ms 34644 KB Output is correct
20 Correct 13 ms 34520 KB Output is correct
21 Correct 13 ms 34644 KB Output is correct
22 Correct 13 ms 34644 KB Output is correct
23 Correct 13 ms 34736 KB Output is correct
24 Correct 15 ms 34800 KB Output is correct
25 Correct 14 ms 34796 KB Output is correct
26 Correct 14 ms 34608 KB Output is correct
27 Correct 14 ms 34644 KB Output is correct
28 Correct 17 ms 35028 KB Output is correct
29 Correct 21 ms 35256 KB Output is correct
30 Correct 15 ms 34736 KB Output is correct
31 Correct 16 ms 34900 KB Output is correct
32 Correct 18 ms 34860 KB Output is correct
33 Correct 24 ms 36040 KB Output is correct
34 Correct 20 ms 36164 KB Output is correct
35 Correct 34 ms 38644 KB Output is correct
36 Correct 16 ms 35284 KB Output is correct
37 Correct 29 ms 38612 KB Output is correct
38 Correct 35 ms 39812 KB Output is correct
39 Correct 29 ms 39760 KB Output is correct
40 Correct 32 ms 39768 KB Output is correct
41 Correct 30 ms 39760 KB Output is correct
42 Correct 16 ms 35028 KB Output is correct
43 Correct 17 ms 35028 KB Output is correct
44 Correct 17 ms 34876 KB Output is correct
45 Correct 74 ms 43624 KB Output is correct
46 Correct 83 ms 43752 KB Output is correct
47 Correct 36 ms 45216 KB Output is correct
48 Correct 27 ms 39544 KB Output is correct
49 Correct 25 ms 38740 KB Output is correct
50 Correct 20 ms 37820 KB Output is correct
51 Correct 43 ms 41332 KB Output is correct
52 Correct 40 ms 41548 KB Output is correct
53 Correct 34 ms 38932 KB Output is correct
54 Correct 557 ms 34920 KB Output is correct
55 Correct 532 ms 34928 KB Output is correct
56 Correct 20 ms 35676 KB Output is correct
57 Correct 15 ms 37716 KB Output is correct
58 Correct 21 ms 35216 KB Output is correct
59 Correct 23 ms 35416 KB Output is correct
60 Correct 20 ms 35804 KB Output is correct
61 Correct 25 ms 35844 KB Output is correct
62 Correct 91 ms 43292 KB Output is correct
63 Correct 295 ms 64584 KB Output is correct
64 Correct 412 ms 70556 KB Output is correct
65 Correct 505 ms 85124 KB Output is correct
66 Correct 999 ms 116564 KB Output is correct
67 Correct 595 ms 116668 KB Output is correct