답안 #48162

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
48162 2018-05-10T12:00:13 Z E869120 Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
1000 ms 221140 KB
#include <iostream>
#include <queue>
#include <vector>
#include <map>
#include <functional>
#include <algorithm>
#include <cmath>
using namespace std;

int N, M, A[30009], P[30009], dist[7400009]; vector<pair<int, int>>vec, X[7400009]; vector<int> G[30009];
map<pair<int, int>, int>M1; priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>>Q;

void connect(int px, int py, int qx, int qy, int cost) {
	int pos1 = lower_bound(vec.begin(), vec.end(), make_pair(px, py)) - vec.begin();
	int pos2 = lower_bound(vec.begin(), vec.end(), make_pair(qx, qy)) - vec.begin();
	X[pos1].push_back(make_pair(pos2, cost));
}

int main() {
	cin >> N >> M;
	for (int i = 1; i <= M; i++) {
		cin >> A[i] >> P[i]; G[A[i]].push_back(P[i]);
		if (M1[make_pair(A[i] % P[i], P[i])] == 0) {
			M1[make_pair(A[i] % P[i], P[i])] = 1;
			for (int j = A[i] % P[i]; j < N; j += P[i]) vec.emplace_back(make_pair(j, P[i]));
		}
	}
	for (int i = 0; i < N; i++) vec.push_back(make_pair(i, 0));
	sort(vec.begin(), vec.end());
	
	for (int i = 0; i < vec.size(); i++) {
		int pos = vec[i].first, state = vec[i].second;

		if (state == 0) {
			for (int j = 0; j < G[pos].size(); j++) connect(pos, 0, pos, G[pos][j], 0);
		}
		else {
			connect(pos, state, pos, 0, 0);
			if (pos - state >= 0) connect(pos, state, pos - state, state, 1);
			if (pos + state < N) connect(pos, state, pos + state, state, 1);
		}
	}
	for (int i = 0; i < vec.size(); i++) dist[i] = (1 << 30);
	int sx = lower_bound(vec.begin(), vec.end(), make_pair(A[1], 0)) - vec.begin();
	int gx = lower_bound(vec.begin(), vec.end(), make_pair(A[2], 0)) - vec.begin();
	dist[sx] = 0; Q.push(make_pair(dist[sx], sx));

	while (!Q.empty()) {
		int pos = Q.top().second; Q.pop();
		
		for (int i = 0; i < X[pos].size(); i++) {
			int to = X[pos][i].first, cost = X[pos][i].second;
			if (dist[to] > dist[pos] + cost) {
				dist[to] = dist[pos] + cost;
				Q.push(make_pair(dist[to], to));
			}
		}
	}
	int ans = dist[gx]; if (ans == (1 << 30)) ans = -1;
	cout << ans << endl;
	return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:31:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < vec.size(); i++) {
                  ~~^~~~~~~~~~~~
skyscraper.cpp:35:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int j = 0; j < G[pos].size(); j++) connect(pos, 0, pos, G[pos][j], 0);
                    ~~^~~~~~~~~~~~~~~
skyscraper.cpp:43:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < vec.size(); i++) dist[i] = (1 << 30);
                  ~~^~~~~~~~~~~~
skyscraper.cpp:51:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = 0; i < X[pos].size(); i++) {
                   ~~^~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 140 ms 174840 KB Output is correct
2 Correct 140 ms 174840 KB Output is correct
3 Correct 144 ms 174928 KB Output is correct
4 Correct 147 ms 174940 KB Output is correct
5 Correct 144 ms 175040 KB Output is correct
6 Correct 145 ms 175040 KB Output is correct
7 Correct 141 ms 175040 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 147 ms 175040 KB Output is correct
2 Correct 145 ms 175040 KB Output is correct
3 Correct 149 ms 175112 KB Output is correct
4 Correct 139 ms 175112 KB Output is correct
5 Correct 146 ms 175112 KB Output is correct
6 Correct 141 ms 175112 KB Output is correct
7 Correct 146 ms 175112 KB Output is correct
8 Correct 146 ms 175112 KB Output is correct
9 Correct 139 ms 175112 KB Output is correct
10 Correct 146 ms 175176 KB Output is correct
11 Correct 145 ms 175408 KB Output is correct
12 Correct 145 ms 175408 KB Output is correct
13 Correct 148 ms 175408 KB Output is correct
14 Correct 152 ms 175572 KB Output is correct
15 Correct 154 ms 175604 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 143 ms 175604 KB Output is correct
2 Correct 145 ms 175604 KB Output is correct
3 Correct 144 ms 175604 KB Output is correct
4 Correct 150 ms 175604 KB Output is correct
5 Correct 146 ms 175604 KB Output is correct
6 Correct 140 ms 175604 KB Output is correct
7 Correct 142 ms 175604 KB Output is correct
8 Correct 146 ms 175604 KB Output is correct
9 Correct 146 ms 175604 KB Output is correct
10 Correct 148 ms 175604 KB Output is correct
11 Correct 151 ms 175604 KB Output is correct
12 Correct 141 ms 175604 KB Output is correct
13 Correct 144 ms 175604 KB Output is correct
14 Correct 151 ms 175612 KB Output is correct
15 Correct 149 ms 175612 KB Output is correct
16 Correct 148 ms 175612 KB Output is correct
17 Correct 161 ms 176092 KB Output is correct
18 Correct 155 ms 176092 KB Output is correct
19 Correct 145 ms 176092 KB Output is correct
20 Correct 152 ms 176092 KB Output is correct
21 Correct 146 ms 176092 KB Output is correct
22 Correct 147 ms 176092 KB Output is correct
23 Correct 148 ms 176092 KB Output is correct
24 Correct 157 ms 176092 KB Output is correct
25 Correct 150 ms 176092 KB Output is correct
26 Correct 149 ms 176092 KB Output is correct
27 Correct 147 ms 176092 KB Output is correct
28 Correct 165 ms 176688 KB Output is correct
29 Correct 197 ms 178772 KB Output is correct
30 Correct 158 ms 178772 KB Output is correct
31 Correct 171 ms 178772 KB Output is correct
32 Correct 169 ms 178772 KB Output is correct
33 Correct 262 ms 182272 KB Output is correct
34 Correct 261 ms 182272 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 143 ms 182272 KB Output is correct
2 Correct 141 ms 182272 KB Output is correct
3 Correct 141 ms 182272 KB Output is correct
4 Correct 139 ms 182272 KB Output is correct
5 Correct 141 ms 182272 KB Output is correct
6 Correct 142 ms 182272 KB Output is correct
7 Correct 139 ms 182272 KB Output is correct
8 Correct 140 ms 182272 KB Output is correct
9 Correct 141 ms 182272 KB Output is correct
10 Correct 142 ms 182272 KB Output is correct
11 Correct 146 ms 182272 KB Output is correct
12 Correct 141 ms 182272 KB Output is correct
13 Correct 141 ms 182272 KB Output is correct
14 Correct 147 ms 182272 KB Output is correct
15 Correct 146 ms 182272 KB Output is correct
16 Correct 145 ms 182272 KB Output is correct
17 Correct 154 ms 182272 KB Output is correct
18 Correct 151 ms 182272 KB Output is correct
19 Correct 145 ms 182272 KB Output is correct
20 Correct 145 ms 182272 KB Output is correct
21 Correct 143 ms 182272 KB Output is correct
22 Correct 147 ms 182272 KB Output is correct
23 Correct 148 ms 182272 KB Output is correct
24 Correct 154 ms 182272 KB Output is correct
25 Correct 151 ms 182272 KB Output is correct
26 Correct 150 ms 182272 KB Output is correct
27 Correct 150 ms 182272 KB Output is correct
28 Correct 164 ms 182272 KB Output is correct
29 Correct 203 ms 182272 KB Output is correct
30 Correct 158 ms 182272 KB Output is correct
31 Correct 170 ms 182272 KB Output is correct
32 Correct 160 ms 182272 KB Output is correct
33 Correct 272 ms 182304 KB Output is correct
34 Correct 261 ms 182384 KB Output is correct
35 Correct 292 ms 183020 KB Output is correct
36 Correct 161 ms 183020 KB Output is correct
37 Correct 372 ms 186756 KB Output is correct
38 Correct 374 ms 186856 KB Output is correct
39 Correct 360 ms 186856 KB Output is correct
40 Correct 363 ms 186856 KB Output is correct
41 Correct 361 ms 186884 KB Output is correct
42 Correct 164 ms 186884 KB Output is correct
43 Correct 165 ms 186884 KB Output is correct
44 Correct 162 ms 186884 KB Output is correct
45 Correct 710 ms 205496 KB Output is correct
46 Correct 708 ms 205568 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 138 ms 205568 KB Output is correct
2 Correct 140 ms 205568 KB Output is correct
3 Correct 144 ms 205568 KB Output is correct
4 Correct 140 ms 205568 KB Output is correct
5 Correct 141 ms 205568 KB Output is correct
6 Correct 143 ms 205568 KB Output is correct
7 Correct 151 ms 205568 KB Output is correct
8 Correct 144 ms 205568 KB Output is correct
9 Correct 142 ms 205568 KB Output is correct
10 Correct 143 ms 205568 KB Output is correct
11 Correct 148 ms 205568 KB Output is correct
12 Correct 143 ms 205568 KB Output is correct
13 Correct 150 ms 205568 KB Output is correct
14 Correct 147 ms 205568 KB Output is correct
15 Correct 146 ms 205568 KB Output is correct
16 Correct 151 ms 205568 KB Output is correct
17 Correct 163 ms 205568 KB Output is correct
18 Correct 151 ms 205568 KB Output is correct
19 Correct 150 ms 205568 KB Output is correct
20 Correct 142 ms 205568 KB Output is correct
21 Correct 157 ms 205568 KB Output is correct
22 Correct 147 ms 205568 KB Output is correct
23 Correct 149 ms 205568 KB Output is correct
24 Correct 158 ms 205568 KB Output is correct
25 Correct 154 ms 205568 KB Output is correct
26 Correct 149 ms 205568 KB Output is correct
27 Correct 151 ms 205568 KB Output is correct
28 Correct 162 ms 205568 KB Output is correct
29 Correct 199 ms 205568 KB Output is correct
30 Correct 156 ms 205568 KB Output is correct
31 Correct 172 ms 205568 KB Output is correct
32 Correct 167 ms 205568 KB Output is correct
33 Correct 265 ms 205568 KB Output is correct
34 Correct 280 ms 205568 KB Output is correct
35 Correct 277 ms 205568 KB Output is correct
36 Correct 159 ms 205568 KB Output is correct
37 Correct 365 ms 205568 KB Output is correct
38 Correct 370 ms 205568 KB Output is correct
39 Correct 366 ms 205568 KB Output is correct
40 Correct 372 ms 205568 KB Output is correct
41 Correct 367 ms 205568 KB Output is correct
42 Correct 173 ms 205568 KB Output is correct
43 Correct 166 ms 205568 KB Output is correct
44 Correct 167 ms 205568 KB Output is correct
45 Correct 702 ms 205568 KB Output is correct
46 Correct 696 ms 205568 KB Output is correct
47 Execution timed out 1089 ms 221140 KB Time limit exceeded
48 Halted 0 ms 0 KB -