Submission #15720

# Submission time Handle Problem Language Result Execution time Memory
15720 2015-07-16T09:05:20 Z cki86201 Jakarta Skyscrapers (APIO15_skyscraper) C++
100 / 100
216 ms 112340 KB
#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<vector>
#include<functional>
#include<queue>
using namespace std;

#define X first
#define Y second
typedef pair<int, int> Pi;
const int MX = 30003;
const int SX = 170;

priority_queue <Pi, vector<Pi>, greater<Pi> > pq;
vector <Pi> E[MX];
int n, m;
int p[MX][2];
int chk[MX][SX + 4];
int len[MX], out[MX];

int main(){
	scanf("%d%d", &n, &m);
	for (int i = 0; i < m; i++){
		scanf("%d%d", p[i], p[i] + 1);
		if (p[i][1] < SX){
			if (!chk[p[i][0]][p[i][1]])chk[p[i][0]][p[i][1]] = 1;
			else out[i] = 1;
		}
	}
	for (int i = 0; i < m; i++){
		if (out[i])continue;
		for (int j = p[i][0] - p[i][1], l = 1; j >= 0; j -= p[i][1], l++){
			E[p[i][0]].push_back(Pi(j, l));
			if (p[i][1] < SX && chk[j][p[i][1]])break;
		}
		for (int j = p[i][0] + p[i][1], l = 1; j < n; j += p[i][1], l++){
			E[p[i][0]].push_back(Pi(j, l));
			if (p[i][1] < SX && chk[j][p[i][1]])break;
		}
	}
	pq.push(Pi(0, p[0][0]));
	for (int i = 0; i < n; i++)len[i] = (int)1e9;
	len[p[0][0]] = 0;
	while (!pq.empty()){
		Pi t = pq.top();
		pq.pop();
		if (len[t.Y] != t.X)continue;
		if (t.Y == p[1][0])break;
		for (int i = 0; i < (int)E[t.Y].size(); i++){
			Pi &w = E[t.Y][i];
			if (len[w.X] > len[t.Y] + w.Y){
				len[w.X] = len[t.Y] + w.Y;
				pq.push(Pi(len[w.X], w.X));
			}
		}
	}
	printf("%d", len[p[1][0]] == (int)1e9 ? -1 : len[p[1][0]]);
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 23144 KB Output is correct
2 Correct 0 ms 23144 KB Output is correct
3 Correct 0 ms 23144 KB Output is correct
4 Correct 0 ms 23144 KB Output is correct
5 Correct 0 ms 23144 KB Output is correct
6 Correct 0 ms 23144 KB Output is correct
7 Correct 0 ms 23144 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 23144 KB Output is correct
2 Correct 0 ms 23144 KB Output is correct
3 Correct 0 ms 23144 KB Output is correct
4 Correct 0 ms 23144 KB Output is correct
5 Correct 0 ms 23144 KB Output is correct
6 Correct 0 ms 23144 KB Output is correct
7 Correct 0 ms 23144 KB Output is correct
8 Correct 0 ms 23144 KB Output is correct
9 Correct 0 ms 23144 KB Output is correct
10 Correct 0 ms 23144 KB Output is correct
11 Correct 0 ms 23144 KB Output is correct
12 Correct 0 ms 23144 KB Output is correct
13 Correct 0 ms 23144 KB Output is correct
14 Correct 1 ms 23144 KB Output is correct
15 Correct 0 ms 23144 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 23144 KB Output is correct
2 Correct 0 ms 23144 KB Output is correct
3 Correct 0 ms 23144 KB Output is correct
4 Correct 0 ms 23144 KB Output is correct
5 Correct 0 ms 23144 KB Output is correct
6 Correct 0 ms 23144 KB Output is correct
7 Correct 0 ms 23144 KB Output is correct
8 Correct 0 ms 23144 KB Output is correct
9 Correct 0 ms 23144 KB Output is correct
10 Correct 1 ms 23144 KB Output is correct
11 Correct 0 ms 23144 KB Output is correct
12 Correct 0 ms 23144 KB Output is correct
13 Correct 0 ms 23144 KB Output is correct
14 Correct 1 ms 23144 KB Output is correct
15 Correct 0 ms 23144 KB Output is correct
16 Correct 0 ms 23144 KB Output is correct
17 Correct 0 ms 23276 KB Output is correct
18 Correct 0 ms 23144 KB Output is correct
19 Correct 0 ms 23144 KB Output is correct
20 Correct 0 ms 23144 KB Output is correct
21 Correct 0 ms 23144 KB Output is correct
22 Correct 0 ms 23144 KB Output is correct
23 Correct 2 ms 23144 KB Output is correct
24 Correct 0 ms 23276 KB Output is correct
25 Correct 0 ms 23144 KB Output is correct
26 Correct 0 ms 23288 KB Output is correct
27 Correct 0 ms 23144 KB Output is correct
28 Correct 3 ms 23276 KB Output is correct
29 Correct 0 ms 24060 KB Output is correct
30 Correct 0 ms 23408 KB Output is correct
31 Correct 2 ms 23572 KB Output is correct
32 Correct 3 ms 23416 KB Output is correct
33 Correct 7 ms 24800 KB Output is correct
34 Correct 4 ms 24772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 23144 KB Output is correct
2 Correct 0 ms 23144 KB Output is correct
3 Correct 0 ms 23144 KB Output is correct
4 Correct 0 ms 23144 KB Output is correct
5 Correct 0 ms 23144 KB Output is correct
6 Correct 0 ms 23144 KB Output is correct
7 Correct 0 ms 23144 KB Output is correct
8 Correct 0 ms 23144 KB Output is correct
9 Correct 0 ms 23144 KB Output is correct
10 Correct 0 ms 23144 KB Output is correct
11 Correct 0 ms 23144 KB Output is correct
12 Correct 0 ms 23144 KB Output is correct
13 Correct 1 ms 23144 KB Output is correct
14 Correct 0 ms 23144 KB Output is correct
15 Correct 0 ms 23144 KB Output is correct
16 Correct 0 ms 23144 KB Output is correct
17 Correct 0 ms 23276 KB Output is correct
18 Correct 0 ms 23144 KB Output is correct
19 Correct 0 ms 23144 KB Output is correct
20 Correct 0 ms 23144 KB Output is correct
21 Correct 0 ms 23144 KB Output is correct
22 Correct 0 ms 23144 KB Output is correct
23 Correct 0 ms 23144 KB Output is correct
24 Correct 0 ms 23276 KB Output is correct
25 Correct 0 ms 23144 KB Output is correct
26 Correct 0 ms 23288 KB Output is correct
27 Correct 0 ms 23144 KB Output is correct
28 Correct 2 ms 23276 KB Output is correct
29 Correct 0 ms 24060 KB Output is correct
30 Correct 2 ms 23408 KB Output is correct
31 Correct 0 ms 23572 KB Output is correct
32 Correct 3 ms 23416 KB Output is correct
33 Correct 7 ms 24800 KB Output is correct
34 Correct 7 ms 24772 KB Output is correct
35 Correct 6 ms 24200 KB Output is correct
36 Correct 0 ms 23276 KB Output is correct
37 Correct 11 ms 25272 KB Output is correct
38 Correct 12 ms 25040 KB Output is correct
39 Correct 8 ms 24860 KB Output is correct
40 Correct 8 ms 24860 KB Output is correct
41 Correct 0 ms 25040 KB Output is correct
42 Correct 0 ms 23288 KB Output is correct
43 Correct 10 ms 23144 KB Output is correct
44 Correct 8 ms 23144 KB Output is correct
45 Correct 12 ms 28672 KB Output is correct
46 Correct 14 ms 28668 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 23144 KB Output is correct
2 Correct 0 ms 23144 KB Output is correct
3 Correct 0 ms 23144 KB Output is correct
4 Correct 0 ms 23144 KB Output is correct
5 Correct 0 ms 23144 KB Output is correct
6 Correct 0 ms 23144 KB Output is correct
7 Correct 0 ms 23144 KB Output is correct
8 Correct 0 ms 23144 KB Output is correct
9 Correct 0 ms 23144 KB Output is correct
10 Correct 1 ms 23144 KB Output is correct
11 Correct 0 ms 23144 KB Output is correct
12 Correct 0 ms 23144 KB Output is correct
13 Correct 0 ms 23144 KB Output is correct
14 Correct 0 ms 23144 KB Output is correct
15 Correct 0 ms 23144 KB Output is correct
16 Correct 0 ms 23144 KB Output is correct
17 Correct 0 ms 23276 KB Output is correct
18 Correct 0 ms 23144 KB Output is correct
19 Correct 1 ms 23144 KB Output is correct
20 Correct 0 ms 23144 KB Output is correct
21 Correct 0 ms 23144 KB Output is correct
22 Correct 0 ms 23144 KB Output is correct
23 Correct 2 ms 23144 KB Output is correct
24 Correct 2 ms 23276 KB Output is correct
25 Correct 0 ms 23144 KB Output is correct
26 Correct 0 ms 23288 KB Output is correct
27 Correct 2 ms 23144 KB Output is correct
28 Correct 0 ms 23276 KB Output is correct
29 Correct 0 ms 24060 KB Output is correct
30 Correct 2 ms 23408 KB Output is correct
31 Correct 0 ms 23572 KB Output is correct
32 Correct 0 ms 23416 KB Output is correct
33 Correct 4 ms 24800 KB Output is correct
34 Correct 6 ms 24772 KB Output is correct
35 Correct 12 ms 24200 KB Output is correct
36 Correct 0 ms 23276 KB Output is correct
37 Correct 10 ms 25272 KB Output is correct
38 Correct 17 ms 25040 KB Output is correct
39 Correct 12 ms 24860 KB Output is correct
40 Correct 14 ms 24860 KB Output is correct
41 Correct 11 ms 25040 KB Output is correct
42 Correct 0 ms 23288 KB Output is correct
43 Correct 0 ms 23144 KB Output is correct
44 Correct 0 ms 23144 KB Output is correct
45 Correct 24 ms 28672 KB Output is correct
46 Correct 7 ms 28668 KB Output is correct
47 Correct 29 ms 32828 KB Output is correct
48 Correct 17 ms 25648 KB Output is correct
49 Correct 10 ms 24636 KB Output is correct
50 Correct 0 ms 24648 KB Output is correct
51 Correct 28 ms 27636 KB Output is correct
52 Correct 34 ms 27960 KB Output is correct
53 Correct 14 ms 24300 KB Output is correct
54 Correct 2 ms 23540 KB Output is correct
55 Correct 2 ms 24052 KB Output is correct
56 Correct 15 ms 24068 KB Output is correct
57 Correct 20 ms 31952 KB Output is correct
58 Correct 8 ms 24564 KB Output is correct
59 Correct 10 ms 24676 KB Output is correct
60 Correct 8 ms 25344 KB Output is correct
61 Correct 8 ms 24368 KB Output is correct
62 Correct 20 ms 28308 KB Output is correct
63 Correct 85 ms 51100 KB Output is correct
64 Correct 79 ms 63920 KB Output is correct
65 Correct 129 ms 80020 KB Output is correct
66 Correct 216 ms 112340 KB Output is correct
67 Correct 178 ms 112028 KB Output is correct