oj.uz

답안 #771267

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
771267 2023-07-02T18:43:16 Z IBory Jakarta Skyscrapers (APIO15_skyscraper) C++14
36 / 100
 157 ms 262144 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 = 8888888;
vector<int> G[MAX];
bool noL[MAX];
int D[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;
		for (int j = i; j <= N; j += p) {
			if (S == pii{ j, p }) SN = node;
			if (E == pii{ j, p }) EN = node;
			G[node].push_back(-j);
			fr.push_back(node++);
		}
		noL[fr[0]] = noL[fr.back() + 1] = 1;
		for (int n : v) {
			G[n].push_back(-fr[(n - 1) / p]);
		}
	}
	make.clear();
	for (int i = 1; i <= N; ++i) noL[i] = 1;

	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 (!noL[cur]) G[cur].push_back(cur - 1);
		if (!noL[cur + 1]) G[cur].push_back(cur + 1);

		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);
		}

		if (!noL[cur]) G[cur].pop_back();
		if (!noL[cur + 1]) G[cur].pop_back();
	}

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

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:29:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   29 |  for (auto& [q, v] : make) {
      |             ^
skyscraper.cpp:30:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   30 |   auto [p, i] = q;
      |        ^
skyscraper.cpp:73:15: warning: 'EN' may be used uninitialized in this function [-Wmaybe-uninitialized]
   73 |  cout << (D[EN] > 1E9 ? -1 : D[EN]);
      |           ~~~~^

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 114 ms 243820 KB Output is correct
2 Correct 108 ms 243828 KB Output is correct
3 Correct 107 ms 243772 KB Output is correct
4 Correct 113 ms 243788 KB Output is correct
5 Correct 108 ms 243788 KB Output is correct
6 Correct 109 ms 243828 KB Output is correct
7 Correct 111 ms 243836 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 118 ms 243768 KB Output is correct
2 Correct 109 ms 243800 KB Output is correct
3 Correct 108 ms 243772 KB Output is correct
4 Correct 107 ms 243716 KB Output is correct
5 Correct 109 ms 243792 KB Output is correct
6 Correct 108 ms 243712 KB Output is correct
7 Correct 130 ms 243708 KB Output is correct
8 Correct 110 ms 243732 KB Output is correct
9 Correct 113 ms 244036 KB Output is correct
10 Correct 110 ms 243864 KB Output is correct
11 Correct 125 ms 244156 KB Output is correct
12 Correct 113 ms 243756 KB Output is correct
13 Correct 110 ms 243864 KB Output is correct
14 Correct 115 ms 244340 KB Output is correct
15 Correct 111 ms 244144 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 110 ms 243792 KB Output is correct
2 Correct 110 ms 243832 KB Output is correct
3 Correct 109 ms 243728 KB Output is correct
4 Correct 109 ms 243764 KB Output is correct
5 Correct 109 ms 243796 KB Output is correct
6 Correct 111 ms 243788 KB Output is correct
7 Correct 111 ms 243828 KB Output is correct
8 Correct 109 ms 243816 KB Output is correct
9 Correct 112 ms 243808 KB Output is correct
10 Correct 110 ms 243824 KB Output is correct
11 Correct 110 ms 244092 KB Output is correct
12 Correct 110 ms 243788 KB Output is correct
13 Correct 108 ms 243788 KB Output is correct
14 Correct 109 ms 244268 KB Output is correct
15 Correct 109 ms 244172 KB Output is correct
16 Correct 110 ms 243980 KB Output is correct
17 Correct 111 ms 244524 KB Output is correct
18 Correct 112 ms 244192 KB Output is correct
19 Correct 110 ms 243964 KB Output is correct
20 Correct 110 ms 243892 KB Output is correct
21 Correct 109 ms 244048 KB Output is correct
22 Correct 109 ms 244008 KB Output is correct
23 Correct 123 ms 244108 KB Output is correct
24 Correct 111 ms 244368 KB Output is correct
25 Correct 111 ms 244224 KB Output is correct
26 Correct 110 ms 244088 KB Output is correct
27 Correct 113 ms 244004 KB Output is correct
28 Correct 113 ms 244808 KB Output is correct
29 Correct 121 ms 245880 KB Output is correct
30 Correct 114 ms 244312 KB Output is correct
31 Correct 117 ms 244872 KB Output is correct
32 Correct 116 ms 244636 KB Output is correct
33 Correct 140 ms 247844 KB Output is correct
34 Correct 119 ms 247884 KB Output is correct

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 107 ms 243828 KB Output is correct
2 Correct 108 ms 243732 KB Output is correct
3 Correct 115 ms 243828 KB Output is correct
4 Correct 108 ms 243816 KB Output is correct
5 Correct 109 ms 243800 KB Output is correct
6 Correct 113 ms 243828 KB Output is correct
7 Correct 109 ms 243780 KB Output is correct
8 Correct 112 ms 243832 KB Output is correct
9 Correct 120 ms 243832 KB Output is correct
10 Correct 117 ms 243820 KB Output is correct
11 Correct 110 ms 244044 KB Output is correct
12 Correct 113 ms 243872 KB Output is correct
13 Correct 110 ms 243788 KB Output is correct
14 Correct 127 ms 244172 KB Output is correct
15 Correct 112 ms 244176 KB Output is correct
16 Correct 110 ms 243944 KB Output is correct
17 Correct 115 ms 244632 KB Output is correct
18 Correct 119 ms 244068 KB Output is correct
19 Correct 112 ms 244012 KB Output is correct
20 Correct 114 ms 243880 KB Output is correct
21 Correct 111 ms 244032 KB Output is correct
22 Correct 113 ms 244116 KB Output is correct
23 Correct 110 ms 244168 KB Output is correct
24 Correct 112 ms 244452 KB Output is correct
25 Correct 109 ms 244264 KB Output is correct
26 Correct 110 ms 244112 KB Output is correct
27 Correct 111 ms 244072 KB Output is correct
28 Correct 111 ms 244788 KB Output is correct
29 Correct 115 ms 245836 KB Output is correct
30 Correct 109 ms 244416 KB Output is correct
31 Correct 112 ms 244980 KB Output is correct
32 Correct 114 ms 244572 KB Output is correct
33 Correct 121 ms 247832 KB Output is correct
34 Correct 129 ms 247872 KB Output is correct
35 Correct 130 ms 250152 KB Output is correct
36 Correct 115 ms 244876 KB Output is correct
37 Correct 129 ms 251516 KB Output is correct
38 Correct 136 ms 252464 KB Output is correct
39 Correct 131 ms 252368 KB Output is correct
40 Correct 136 ms 252452 KB Output is correct
41 Correct 137 ms 252456 KB Output is correct
42 Correct 112 ms 244296 KB Output is correct
43 Correct 116 ms 244296 KB Output is correct
44 Correct 114 ms 244240 KB Output is correct
45 Runtime error 136 ms 262144 KB Execution killed with signal 9
46 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 109 ms 243800 KB Output is correct
2 Correct 108 ms 243824 KB Output is correct
3 Correct 110 ms 243712 KB Output is correct
4 Correct 111 ms 243828 KB Output is correct
5 Correct 115 ms 243768 KB Output is correct
6 Correct 109 ms 243712 KB Output is correct
7 Correct 111 ms 243744 KB Output is correct
8 Correct 110 ms 243752 KB Output is correct
9 Correct 109 ms 243776 KB Output is correct
10 Correct 113 ms 243912 KB Output is correct
11 Correct 111 ms 244068 KB Output is correct
12 Correct 112 ms 243852 KB Output is correct
13 Correct 109 ms 243784 KB Output is correct
14 Correct 117 ms 244172 KB Output is correct
15 Correct 112 ms 244184 KB Output is correct
16 Correct 111 ms 243940 KB Output is correct
17 Correct 113 ms 244524 KB Output is correct
18 Correct 118 ms 244132 KB Output is correct
19 Correct 114 ms 244064 KB Output is correct
20 Correct 112 ms 243980 KB Output is correct
21 Correct 113 ms 243984 KB Output is correct
22 Correct 109 ms 244024 KB Output is correct
23 Correct 111 ms 244116 KB Output is correct
24 Correct 118 ms 244656 KB Output is correct
25 Correct 114 ms 244320 KB Output is correct
26 Correct 112 ms 244044 KB Output is correct
27 Correct 116 ms 244076 KB Output is correct
28 Correct 117 ms 244728 KB Output is correct
29 Correct 120 ms 245836 KB Output is correct
30 Correct 112 ms 244408 KB Output is correct
31 Correct 113 ms 244888 KB Output is correct
32 Correct 112 ms 244652 KB Output is correct
33 Correct 124 ms 247956 KB Output is correct
34 Correct 119 ms 247912 KB Output is correct
35 Correct 134 ms 250028 KB Output is correct
36 Correct 122 ms 244964 KB Output is correct
37 Correct 130 ms 251568 KB Output is correct
38 Correct 145 ms 252492 KB Output is correct
39 Correct 131 ms 252436 KB Output is correct
40 Correct 134 ms 252380 KB Output is correct
41 Correct 157 ms 252364 KB Output is correct
42 Correct 111 ms 244232 KB Output is correct
43 Correct 114 ms 244340 KB Output is correct
44 Correct 115 ms 244284 KB Output is correct
45 Runtime error 123 ms 262144 KB Execution killed with signal 9
46 Halted 0 ms 0 KB -