oj.uz

답안 #771277

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
771277 2023-07-02T19:03:12 Z IBory Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 114436 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, set<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}].insert(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 14 ms 31444 KB Output is correct
2 Correct 12 ms 31444 KB Output is correct
3 Correct 12 ms 31444 KB Output is correct
4 Correct 525 ms 31456 KB Output is correct
5 Correct 12 ms 31384 KB Output is correct
6 Correct 12 ms 31396 KB Output is correct
7 Correct 12 ms 31444 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 31408 KB Output is correct
2 Correct 12 ms 31444 KB Output is correct
3 Correct 12 ms 31444 KB Output is correct
4 Correct 517 ms 31500 KB Output is correct
5 Correct 12 ms 31444 KB Output is correct
6 Correct 12 ms 31384 KB Output is correct
7 Correct 12 ms 31388 KB Output is correct
8 Correct 12 ms 31364 KB Output is correct
9 Correct 12 ms 31444 KB Output is correct
10 Correct 12 ms 31560 KB Output is correct
11 Correct 13 ms 31752 KB Output is correct
12 Correct 14 ms 31420 KB Output is correct
13 Correct 12 ms 31380 KB Output is correct
14 Correct 13 ms 31828 KB Output is correct
15 Correct 13 ms 31828 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 31444 KB Output is correct
2 Correct 12 ms 31444 KB Output is correct
3 Correct 12 ms 31444 KB Output is correct
4 Correct 535 ms 31516 KB Output is correct
5 Correct 12 ms 31444 KB Output is correct
6 Correct 12 ms 31460 KB Output is correct
7 Correct 12 ms 31360 KB Output is correct
8 Correct 12 ms 31416 KB Output is correct
9 Correct 12 ms 31396 KB Output is correct
10 Correct 13 ms 31444 KB Output is correct
11 Correct 13 ms 31676 KB Output is correct
12 Correct 13 ms 31392 KB Output is correct
13 Correct 12 ms 31444 KB Output is correct
14 Correct 13 ms 31736 KB Output is correct
15 Correct 13 ms 31828 KB Output is correct
16 Correct 16 ms 31624 KB Output is correct
17 Correct 14 ms 31912 KB Output is correct
18 Correct 12 ms 31660 KB Output is correct
19 Correct 12 ms 31612 KB Output is correct
20 Correct 12 ms 31572 KB Output is correct
21 Correct 12 ms 31700 KB Output is correct
22 Correct 12 ms 31572 KB Output is correct
23 Correct 13 ms 31700 KB Output is correct
24 Correct 13 ms 31828 KB Output is correct
25 Correct 13 ms 31808 KB Output is correct
26 Correct 15 ms 31516 KB Output is correct
27 Correct 12 ms 31516 KB Output is correct
28 Correct 15 ms 31956 KB Output is correct
29 Correct 17 ms 32212 KB Output is correct
30 Correct 14 ms 31616 KB Output is correct
31 Correct 15 ms 31968 KB Output is correct
32 Correct 15 ms 31828 KB Output is correct
33 Correct 26 ms 33088 KB Output is correct
34 Correct 21 ms 33108 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 31444 KB Output is correct
2 Correct 11 ms 31376 KB Output is correct
3 Correct 11 ms 31452 KB Output is correct
4 Correct 523 ms 31480 KB Output is correct
5 Correct 11 ms 31396 KB Output is correct
6 Correct 11 ms 31416 KB Output is correct
7 Correct 10 ms 31444 KB Output is correct
8 Correct 11 ms 31444 KB Output is correct
9 Correct 11 ms 31428 KB Output is correct
10 Correct 11 ms 31444 KB Output is correct
11 Correct 12 ms 31700 KB Output is correct
12 Correct 11 ms 31444 KB Output is correct
13 Correct 12 ms 31444 KB Output is correct
14 Correct 15 ms 31764 KB Output is correct
15 Correct 12 ms 31828 KB Output is correct
16 Correct 12 ms 31636 KB Output is correct
17 Correct 12 ms 31828 KB Output is correct
18 Correct 12 ms 31716 KB Output is correct
19 Correct 11 ms 31572 KB Output is correct
20 Correct 12 ms 31572 KB Output is correct
21 Correct 12 ms 31572 KB Output is correct
22 Correct 12 ms 31668 KB Output is correct
23 Correct 13 ms 31724 KB Output is correct
24 Correct 16 ms 31912 KB Output is correct
25 Correct 12 ms 31828 KB Output is correct
26 Correct 12 ms 31572 KB Output is correct
27 Correct 12 ms 31572 KB Output is correct
28 Correct 20 ms 32084 KB Output is correct
29 Correct 17 ms 32212 KB Output is correct
30 Correct 13 ms 31700 KB Output is correct
31 Correct 14 ms 31960 KB Output is correct
32 Correct 14 ms 31716 KB Output is correct
33 Correct 22 ms 33132 KB Output is correct
34 Correct 19 ms 33180 KB Output is correct
35 Correct 31 ms 36424 KB Output is correct
36 Correct 13 ms 32340 KB Output is correct
37 Correct 26 ms 36300 KB Output is correct
38 Correct 34 ms 37716 KB Output is correct
39 Correct 29 ms 37716 KB Output is correct
40 Correct 28 ms 37696 KB Output is correct
41 Correct 28 ms 37640 KB Output is correct
42 Correct 17 ms 31584 KB Output is correct
43 Correct 14 ms 31572 KB Output is correct
44 Correct 14 ms 31568 KB Output is correct
45 Correct 76 ms 41516 KB Output is correct
46 Correct 59 ms 41460 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 31372 KB Output is correct
2 Correct 11 ms 31368 KB Output is correct
3 Correct 11 ms 31384 KB Output is correct
4 Correct 514 ms 31588 KB Output is correct
5 Correct 11 ms 31444 KB Output is correct
6 Correct 12 ms 31436 KB Output is correct
7 Correct 11 ms 31444 KB Output is correct
8 Correct 11 ms 31444 KB Output is correct
9 Correct 12 ms 31444 KB Output is correct
10 Correct 12 ms 31484 KB Output is correct
11 Correct 12 ms 31768 KB Output is correct
12 Correct 12 ms 31468 KB Output is correct
13 Correct 12 ms 31456 KB Output is correct
14 Correct 15 ms 31828 KB Output is correct
15 Correct 13 ms 31828 KB Output is correct
16 Correct 12 ms 31640 KB Output is correct
17 Correct 13 ms 31864 KB Output is correct
18 Correct 12 ms 31676 KB Output is correct
19 Correct 11 ms 31560 KB Output is correct
20 Correct 13 ms 31572 KB Output is correct
21 Correct 12 ms 31572 KB Output is correct
22 Correct 12 ms 31572 KB Output is correct
23 Correct 12 ms 31652 KB Output is correct
24 Correct 12 ms 31860 KB Output is correct
25 Correct 13 ms 31820 KB Output is correct
26 Correct 12 ms 31520 KB Output is correct
27 Correct 12 ms 31572 KB Output is correct
28 Correct 15 ms 32008 KB Output is correct
29 Correct 17 ms 32212 KB Output is correct
30 Correct 13 ms 31700 KB Output is correct
31 Correct 15 ms 31888 KB Output is correct
32 Correct 14 ms 31836 KB Output is correct
33 Correct 23 ms 33180 KB Output is correct
34 Correct 19 ms 33084 KB Output is correct
35 Correct 31 ms 36368 KB Output is correct
36 Correct 14 ms 32340 KB Output is correct
37 Correct 30 ms 36308 KB Output is correct
38 Correct 34 ms 37660 KB Output is correct
39 Correct 28 ms 37716 KB Output is correct
40 Correct 28 ms 37636 KB Output is correct
41 Correct 28 ms 37708 KB Output is correct
42 Correct 13 ms 31512 KB Output is correct
43 Correct 15 ms 31528 KB Output is correct
44 Correct 15 ms 31548 KB Output is correct
45 Correct 82 ms 41476 KB Output is correct
46 Correct 58 ms 41428 KB Output is correct
47 Correct 39 ms 42980 KB Output is correct
48 Correct 27 ms 37132 KB Output is correct
49 Correct 27 ms 36400 KB Output is correct
50 Correct 19 ms 35288 KB Output is correct
51 Correct 38 ms 39124 KB Output is correct
52 Correct 39 ms 39428 KB Output is correct
53 Correct 34 ms 36916 KB Output is correct
54 Correct 543 ms 31764 KB Output is correct
55 Correct 559 ms 32116 KB Output is correct
56 Correct 23 ms 33924 KB Output is correct
57 Correct 16 ms 34788 KB Output is correct
58 Correct 19 ms 31932 KB Output is correct
59 Correct 17 ms 32024 KB Output is correct
60 Correct 19 ms 32444 KB Output is correct
61 Correct 22 ms 32796 KB Output is correct
62 Correct 83 ms 41192 KB Output is correct
63 Correct 354 ms 62480 KB Output is correct
64 Correct 334 ms 68572 KB Output is correct
65 Correct 508 ms 83016 KB Output is correct
66 Execution timed out 1063 ms 114436 KB Time limit exceeded
67 Halted 0 ms 0 KB -