oj.uz

Submission #103860

# Submission time Handle Problem Language Result Execution time Memory
103860 2019-04-03T03:21:45 Z E869120 Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 354 ms 154116 KB 
#include <iostream>
#include <vector>
#include <map>
#include <queue>
#include <ctime>
#include <cassert>
using namespace std;
#pragma warning (disable: 4996)

const int MAX_N = 1000000;

vector<pair<int, int>>X[30009]; map<int, int>Map[30009], Map2[30009];
int N, M, B[30009], P[30009], dist[30009], cntv; unsigned int Z[35000000];
vector<int>Q[MAX_N];

int check(int p1, int p2) {
	if ((Z[p1 * 1024 + (p2 >> 5)] & (1U << (p2 & 31))) == 0) return 0;
	return 1;
}

int main() {
	srand((unsigned)time(NULL));
	cin >> N >> M;
	for (int i = 0; i < M; i++) {
		scanf("%d%d", &B[i], &P[i]);
		Z[(B[i] * 1024 + (P[i] >> 5))] |= (1U << (P[i] & 31));
	}
	for (int i = 0; i < M; i++) {
		if (Map2[B[i]][P[i]] == 1) continue;
		int cnt = 0;
		for (int j = B[i] - P[i]; j >= 0; j -= P[i]) {
			cnt++;
			X[B[i]].push_back(make_pair(j, cnt)); cntv++;
			if (check(j, P[i]) == 1) break;
		}
		cnt = 0;
		for (int j = B[i] + P[i]; j < N; j += P[i]) {
			cnt++;
			X[B[i]].push_back(make_pair(j, cnt)); cntv++;
			if (check(j, P[i]) == 1) break;
		}
		Map2[B[i]][P[i]] = 1;
	}

	for (int i = 0; i < N; i++) dist[i] = (1 << 30);
	dist[B[0]] = 0; Q[0].push_back(B[0]);

	cntv = 0;
	for (int i = 0; i < MAX_N - 1; i++) {
		for (int j = 0; j < Q[i].size(); j++) {
			int pos = Q[i][j];
			for (int k = 0; k < X[pos].size(); k++) {
				int to = X[pos][k].first, cost = X[pos][k].second;
				if (dist[to] > dist[pos] + cost) {
					dist[to] = dist[pos] + cost;
					Q[dist[to]].push_back(to);
				}
			}
		}
		cntv += Q[i].size();
	}

	if (dist[B[1]] == (1 << 30)) cout << "-1" << endl;
	else cout << dist[B[1]] << endl;
	return 0;
}

Compilation message

skyscraper.cpp:8:0: warning: ignoring #pragma warning  [-Wunknown-pragmas]
 #pragma warning (disable: 4996)
 
skyscraper.cpp: In function 'int main()':
skyscraper.cpp:50:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = 0; j < Q[i].size(); j++) {
                   ~~^~~~~~~~~~~~~
skyscraper.cpp:52:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int k = 0; k < X[pos].size(); k++) {
                    ~~^~~~~~~~~~~~~~~
skyscraper.cpp:25:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &B[i], &P[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 27512 KB Output is correct
2 Correct 32 ms 27392 KB Output is correct
3 Correct 34 ms 27380 KB Output is correct
4 Correct 37 ms 27384 KB Output is correct
5 Correct 30 ms 27392 KB Output is correct
6 Correct 29 ms 27392 KB Output is correct
7 Correct 30 ms 27392 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 27384 KB Output is correct
2 Correct 34 ms 27384 KB Output is correct
3 Correct 35 ms 27384 KB Output is correct
4 Correct 33 ms 27392 KB Output is correct
5 Correct 35 ms 27392 KB Output is correct
6 Correct 33 ms 27520 KB Output is correct
7 Correct 38 ms 27392 KB Output is correct
8 Correct 31 ms 27384 KB Output is correct
9 Correct 32 ms 27520 KB Output is correct
10 Correct 33 ms 27776 KB Output is correct
11 Correct 33 ms 27904 KB Output is correct
12 Correct 33 ms 27388 KB Output is correct
13 Correct 36 ms 27776 KB Output is correct
14 Correct 35 ms 27768 KB Output is correct
15 Correct 35 ms 27904 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 27392 KB Output is correct
2 Correct 29 ms 27392 KB Output is correct
3 Correct 31 ms 27392 KB Output is correct
4 Correct 32 ms 27392 KB Output is correct
5 Correct 34 ms 27324 KB Output is correct
6 Correct 39 ms 27384 KB Output is correct
7 Correct 33 ms 27480 KB Output is correct
8 Correct 37 ms 27392 KB Output is correct
9 Correct 32 ms 27460 KB Output is correct
10 Correct 33 ms 27768 KB Output is correct
11 Correct 36 ms 27896 KB Output is correct
12 Correct 35 ms 27392 KB Output is correct
13 Correct 31 ms 27776 KB Output is correct
14 Correct 32 ms 27776 KB Output is correct
15 Correct 32 ms 27768 KB Output is correct
16 Correct 34 ms 28288 KB Output is correct
17 Correct 37 ms 30300 KB Output is correct
18 Correct 40 ms 30460 KB Output is correct
19 Correct 33 ms 29404 KB Output is correct
20 Correct 41 ms 35584 KB Output is correct
21 Correct 31 ms 28928 KB Output is correct
22 Correct 33 ms 29824 KB Output is correct
23 Correct 36 ms 30404 KB Output is correct
24 Correct 35 ms 32376 KB Output is correct
25 Correct 37 ms 32796 KB Output is correct
26 Correct 37 ms 27844 KB Output is correct
27 Correct 39 ms 27776 KB Output is correct
28 Correct 43 ms 35704 KB Output is correct
29 Correct 41 ms 28280 KB Output is correct
30 Correct 36 ms 27768 KB Output is correct
31 Correct 40 ms 28024 KB Output is correct
32 Correct 35 ms 27904 KB Output is correct
33 Correct 38 ms 29056 KB Output is correct
34 Correct 37 ms 29056 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 27488 KB Output is correct
2 Correct 31 ms 27264 KB Output is correct
3 Correct 37 ms 27384 KB Output is correct
4 Correct 30 ms 27392 KB Output is correct
5 Correct 32 ms 27368 KB Output is correct
6 Correct 31 ms 27364 KB Output is correct
7 Correct 35 ms 27384 KB Output is correct
8 Correct 32 ms 27392 KB Output is correct
9 Correct 33 ms 27512 KB Output is correct
10 Correct 33 ms 27776 KB Output is correct
11 Correct 35 ms 27896 KB Output is correct
12 Correct 30 ms 27384 KB Output is correct
13 Correct 33 ms 27768 KB Output is correct
14 Correct 31 ms 27768 KB Output is correct
15 Correct 32 ms 27776 KB Output is correct
16 Correct 31 ms 28288 KB Output is correct
17 Correct 38 ms 30424 KB Output is correct
18 Correct 36 ms 30592 KB Output is correct
19 Correct 39 ms 29440 KB Output is correct
20 Correct 48 ms 35576 KB Output is correct
21 Correct 35 ms 28928 KB Output is correct
22 Correct 36 ms 29816 KB Output is correct
23 Correct 32 ms 30464 KB Output is correct
24 Correct 36 ms 32504 KB Output is correct
25 Correct 37 ms 32768 KB Output is correct
26 Correct 34 ms 27904 KB Output is correct
27 Correct 40 ms 27772 KB Output is correct
28 Correct 47 ms 35704 KB Output is correct
29 Correct 41 ms 28288 KB Output is correct
30 Correct 36 ms 27776 KB Output is correct
31 Correct 37 ms 28024 KB Output is correct
32 Correct 33 ms 27904 KB Output is correct
33 Correct 38 ms 29048 KB Output is correct
34 Correct 36 ms 29048 KB Output is correct
35 Correct 57 ms 35576 KB Output is correct
36 Correct 44 ms 32120 KB Output is correct
37 Correct 66 ms 38140 KB Output is correct
38 Correct 66 ms 38776 KB Output is correct
39 Correct 81 ms 38780 KB Output is correct
40 Correct 65 ms 38904 KB Output is correct
41 Correct 63 ms 38876 KB Output is correct
42 Correct 40 ms 28032 KB Output is correct
43 Correct 57 ms 28024 KB Output is correct
44 Correct 44 ms 35832 KB Output is correct
45 Correct 74 ms 34432 KB Output is correct
46 Correct 75 ms 34424 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 27420 KB Output is correct
2 Correct 37 ms 27384 KB Output is correct
3 Correct 31 ms 27392 KB Output is correct
4 Correct 34 ms 27520 KB Output is correct
5 Correct 34 ms 27284 KB Output is correct
6 Correct 32 ms 27392 KB Output is correct
7 Correct 36 ms 27392 KB Output is correct
8 Correct 33 ms 27384 KB Output is correct
9 Correct 32 ms 27520 KB Output is correct
10 Correct 36 ms 27768 KB Output is correct
11 Correct 33 ms 27896 KB Output is correct
12 Correct 40 ms 27384 KB Output is correct
13 Correct 33 ms 27768 KB Output is correct
14 Correct 31 ms 27776 KB Output is correct
15 Correct 33 ms 27768 KB Output is correct
16 Correct 40 ms 28152 KB Output is correct
17 Correct 36 ms 30328 KB Output is correct
18 Correct 33 ms 30592 KB Output is correct
19 Correct 32 ms 29436 KB Output is correct
20 Correct 38 ms 35584 KB Output is correct
21 Correct 37 ms 28928 KB Output is correct
22 Correct 33 ms 29792 KB Output is correct
23 Correct 32 ms 30464 KB Output is correct
24 Correct 36 ms 32384 KB Output is correct
25 Correct 34 ms 32632 KB Output is correct
26 Correct 34 ms 27904 KB Output is correct
27 Correct 33 ms 27768 KB Output is correct
28 Correct 40 ms 35840 KB Output is correct
29 Correct 36 ms 28260 KB Output is correct
30 Correct 33 ms 27776 KB Output is correct
31 Correct 35 ms 28160 KB Output is correct
32 Correct 37 ms 27896 KB Output is correct
33 Correct 36 ms 29048 KB Output is correct
34 Correct 38 ms 29080 KB Output is correct
35 Correct 53 ms 35576 KB Output is correct
36 Correct 36 ms 32120 KB Output is correct
37 Correct 59 ms 38264 KB Output is correct
38 Correct 83 ms 38680 KB Output is correct
39 Correct 81 ms 38776 KB Output is correct
40 Correct 71 ms 38720 KB Output is correct
41 Correct 66 ms 38776 KB Output is correct
42 Correct 43 ms 28032 KB Output is correct
43 Correct 49 ms 27896 KB Output is correct
44 Correct 48 ms 35832 KB Output is correct
45 Correct 70 ms 34428 KB Output is correct
46 Correct 69 ms 34424 KB Output is correct
47 Correct 164 ms 80252 KB Output is correct
48 Correct 119 ms 88728 KB Output is correct
49 Correct 120 ms 87632 KB Output is correct
50 Correct 98 ms 76124 KB Output is correct
51 Correct 158 ms 109268 KB Output is correct
52 Correct 174 ms 109980 KB Output is correct
53 Correct 140 ms 106740 KB Output is correct
54 Correct 70 ms 28536 KB Output is correct
55 Correct 69 ms 28988 KB Output is correct
56 Correct 161 ms 151264 KB Output is correct
57 Correct 92 ms 45944 KB Output is correct
58 Correct 73 ms 29644 KB Output is correct
59 Correct 69 ms 30080 KB Output is correct
60 Correct 78 ms 31604 KB Output is correct
61 Correct 71 ms 31604 KB Output is correct
62 Correct 199 ms 154116 KB Output is correct
63 Correct 204 ms 55252 KB Output is correct
64 Correct 221 ms 63440 KB Output is correct
65 Correct 228 ms 74864 KB Output is correct
66 Correct 334 ms 102332 KB Output is correct
67 Correct 354 ms 101820 KB Output is correct