oj.uz

답안 #771270

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
771270 2023-07-02T18:56:12 Z IBory Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 473 ms 172560 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 = 5555555;
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 9 ms 22740 KB Output is correct
2 Correct 9 ms 22740 KB Output is correct
3 Correct 8 ms 22740 KB Output is correct
4 Correct 347 ms 22760 KB Output is correct
5 Correct 9 ms 22740 KB Output is correct
6 Correct 9 ms 22668 KB Output is correct
7 Correct 9 ms 22768 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 22740 KB Output is correct
2 Correct 8 ms 22740 KB Output is correct
3 Correct 9 ms 22740 KB Output is correct
4 Correct 355 ms 22760 KB Output is correct
5 Correct 9 ms 22740 KB Output is correct
6 Correct 9 ms 22740 KB Output is correct
7 Correct 9 ms 22740 KB Output is correct
8 Correct 10 ms 22740 KB Output is correct
9 Correct 9 ms 22740 KB Output is correct
10 Correct 9 ms 22740 KB Output is correct
11 Correct 9 ms 22996 KB Output is correct
12 Correct 9 ms 22760 KB Output is correct
13 Correct 9 ms 22804 KB Output is correct
14 Correct 10 ms 23080 KB Output is correct
15 Correct 10 ms 22976 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 22740 KB Output is correct
2 Correct 9 ms 22740 KB Output is correct
3 Correct 9 ms 22740 KB Output is correct
4 Correct 349 ms 22768 KB Output is correct
5 Correct 9 ms 22740 KB Output is correct
6 Correct 9 ms 22740 KB Output is correct
7 Correct 9 ms 22724 KB Output is correct
8 Correct 8 ms 22740 KB Output is correct
9 Correct 9 ms 22680 KB Output is correct
10 Correct 9 ms 22740 KB Output is correct
11 Correct 9 ms 22976 KB Output is correct
12 Correct 9 ms 22776 KB Output is correct
13 Correct 8 ms 22740 KB Output is correct
14 Correct 10 ms 22996 KB Output is correct
15 Correct 9 ms 22996 KB Output is correct
16 Correct 9 ms 22912 KB Output is correct
17 Correct 10 ms 23124 KB Output is correct
18 Correct 9 ms 22996 KB Output is correct
19 Correct 9 ms 22868 KB Output is correct
20 Correct 9 ms 22868 KB Output is correct
21 Correct 9 ms 22868 KB Output is correct
22 Correct 9 ms 22860 KB Output is correct
23 Correct 10 ms 22968 KB Output is correct
24 Correct 10 ms 23124 KB Output is correct
25 Correct 10 ms 22996 KB Output is correct
26 Correct 10 ms 22868 KB Output is correct
27 Correct 9 ms 22796 KB Output is correct
28 Correct 12 ms 23252 KB Output is correct
29 Correct 14 ms 23508 KB Output is correct
30 Correct 10 ms 22952 KB Output is correct
31 Correct 12 ms 23164 KB Output is correct
32 Correct 11 ms 23116 KB Output is correct
33 Correct 19 ms 24428 KB Output is correct
34 Correct 16 ms 24404 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 22708 KB Output is correct
2 Correct 8 ms 22740 KB Output is correct
3 Correct 9 ms 22740 KB Output is correct
4 Correct 361 ms 22768 KB Output is correct
5 Correct 9 ms 22716 KB Output is correct
6 Correct 9 ms 22728 KB Output is correct
7 Correct 9 ms 22740 KB Output is correct
8 Correct 9 ms 22740 KB Output is correct
9 Correct 9 ms 22728 KB Output is correct
10 Correct 9 ms 22836 KB Output is correct
11 Correct 9 ms 22976 KB Output is correct
12 Correct 9 ms 22800 KB Output is correct
13 Correct 9 ms 22800 KB Output is correct
14 Correct 10 ms 22996 KB Output is correct
15 Correct 10 ms 22972 KB Output is correct
16 Correct 9 ms 22868 KB Output is correct
17 Correct 10 ms 23124 KB Output is correct
18 Correct 9 ms 22940 KB Output is correct
19 Correct 9 ms 22808 KB Output is correct
20 Correct 9 ms 22868 KB Output is correct
21 Correct 9 ms 22868 KB Output is correct
22 Correct 9 ms 22868 KB Output is correct
23 Correct 10 ms 22868 KB Output is correct
24 Correct 10 ms 23076 KB Output is correct
25 Correct 10 ms 22996 KB Output is correct
26 Correct 9 ms 22868 KB Output is correct
27 Correct 9 ms 22868 KB Output is correct
28 Correct 14 ms 23292 KB Output is correct
29 Correct 14 ms 23584 KB Output is correct
30 Correct 10 ms 22972 KB Output is correct
31 Correct 11 ms 23252 KB Output is correct
32 Correct 11 ms 23068 KB Output is correct
33 Correct 20 ms 24420 KB Output is correct
34 Correct 16 ms 24380 KB Output is correct
35 Correct 31 ms 26952 KB Output is correct
36 Correct 11 ms 23508 KB Output is correct
37 Correct 26 ms 26964 KB Output is correct
38 Correct 30 ms 28100 KB Output is correct
39 Correct 26 ms 27972 KB Output is correct
40 Correct 28 ms 28084 KB Output is correct
41 Correct 26 ms 28092 KB Output is correct
42 Correct 12 ms 23252 KB Output is correct
43 Correct 12 ms 23304 KB Output is correct
44 Correct 12 ms 23200 KB Output is correct
45 Correct 94 ms 31880 KB Output is correct
46 Correct 58 ms 31880 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 22696 KB Output is correct
2 Correct 9 ms 22752 KB Output is correct
3 Correct 8 ms 22780 KB Output is correct
4 Correct 351 ms 22768 KB Output is correct
5 Correct 8 ms 22740 KB Output is correct
6 Correct 9 ms 22740 KB Output is correct
7 Correct 8 ms 22740 KB Output is correct
8 Correct 9 ms 22740 KB Output is correct
9 Correct 9 ms 22740 KB Output is correct
10 Correct 9 ms 22740 KB Output is correct
11 Correct 10 ms 23020 KB Output is correct
12 Correct 9 ms 22740 KB Output is correct
13 Correct 9 ms 22740 KB Output is correct
14 Correct 10 ms 22996 KB Output is correct
15 Correct 10 ms 22996 KB Output is correct
16 Correct 9 ms 22868 KB Output is correct
17 Correct 10 ms 23092 KB Output is correct
18 Correct 9 ms 22996 KB Output is correct
19 Correct 8 ms 22868 KB Output is correct
20 Correct 8 ms 22868 KB Output is correct
21 Correct 9 ms 22868 KB Output is correct
22 Correct 9 ms 22944 KB Output is correct
23 Correct 10 ms 22924 KB Output is correct
24 Correct 10 ms 23060 KB Output is correct
25 Correct 10 ms 22996 KB Output is correct
26 Correct 9 ms 22868 KB Output is correct
27 Correct 9 ms 22868 KB Output is correct
28 Correct 14 ms 23216 KB Output is correct
29 Correct 13 ms 23544 KB Output is correct
30 Correct 11 ms 22996 KB Output is correct
31 Correct 12 ms 23236 KB Output is correct
32 Correct 11 ms 22996 KB Output is correct
33 Correct 20 ms 24408 KB Output is correct
34 Correct 15 ms 24404 KB Output is correct
35 Correct 27 ms 26904 KB Output is correct
36 Correct 11 ms 23508 KB Output is correct
37 Correct 24 ms 26964 KB Output is correct
38 Correct 31 ms 28108 KB Output is correct
39 Correct 26 ms 27992 KB Output is correct
40 Correct 28 ms 28044 KB Output is correct
41 Correct 27 ms 28080 KB Output is correct
42 Correct 12 ms 23252 KB Output is correct
43 Correct 12 ms 23292 KB Output is correct
44 Correct 15 ms 23244 KB Output is correct
45 Correct 71 ms 31816 KB Output is correct
46 Correct 52 ms 31776 KB Output is correct
47 Correct 31 ms 33472 KB Output is correct
48 Correct 22 ms 27812 KB Output is correct
49 Correct 21 ms 27092 KB Output is correct
50 Correct 17 ms 26068 KB Output is correct
51 Correct 36 ms 29528 KB Output is correct
52 Correct 38 ms 29724 KB Output is correct
53 Correct 27 ms 27256 KB Output is correct
54 Correct 360 ms 23176 KB Output is correct
55 Correct 344 ms 23276 KB Output is correct
56 Correct 17 ms 23900 KB Output is correct
57 Correct 11 ms 25904 KB Output is correct
58 Correct 18 ms 23512 KB Output is correct
59 Correct 17 ms 23636 KB Output is correct
60 Correct 17 ms 23976 KB Output is correct
61 Correct 17 ms 24048 KB Output is correct
62 Correct 76 ms 31524 KB Output is correct
63 Correct 274 ms 52836 KB Output is correct
64 Correct 325 ms 58964 KB Output is correct
65 Correct 473 ms 73380 KB Output is correct
66 Runtime error 141 ms 172560 KB Execution killed with signal 11
67 Halted 0 ms 0 KB -