Submission #15878

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
15878	2015-07-31T18:49:52 Z	myungwoo	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	85 ms	11656 KB

skyscraper

#include <bits/stdc++.h>
using namespace std;

#define MAXN 30005
#define pb push_back
#define mp make_pair
typedef pair<int, int> pii;

int N, M, S, E;
int D[MAXN];
bool V[MAXN][200];
vector <int> doge[MAXN];

int main()
{
	scanf("%d%d", &N, &M);
	for (int i=0;i<M;i++){
		int b, p;
		scanf("%d%d", &b, &p);
		if (p > 199 || !V[b][p]) doge[b].pb(p);
		if (p < 200) V[b][p] = 1;
		if (!i) S = b;
		if (i == 1) E = b;
	}
	for (int i=0;i<N;i++) D[i] = 2e9;
	priority_queue <pii> que;
	D[S] = 0;
	que.push(mp(0, S));
	while (!que.empty()){
		int q = que.top().second, d = -que.top().first; que.pop();
		if (D[q] != d) continue;
		for (int p: doge[q]){
			for (int i=q-p;i>=0;i-=p){
				if (D[i] > d+(q-i)/p)
					D[i] = d+(q-i)/p, que.push(mp(-D[i], i));
				if (p < 200 && V[i][p]) break;
				if (p < 200) V[i][p] = 1;
			}
			for (int i=q+p;i<N;i+=p){
				if (D[i] > d+(i-q)/p)
					D[i] = d+(i-q)/p, que.push(mp(-D[i], i));
				if (p < 200 && V[i][p]) break;
				if (p < 200) V[i][p] = 1;
			}
		}
	}
	printf("%d\n", D[E] < 2e9 ? D[E] : -1);
}

Subtask #1
10.0 / 10.0

#	Verdict	Memory	Grader output
1	Correct	8400 KB	Output is correct
2	Correct	8400 KB	Output is correct
3	Correct	8400 KB	Output is correct
4	Correct	8400 KB	Output is correct
5	Correct	8400 KB	Output is correct
6	Correct	8400 KB	Output is correct
7	Correct	8400 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Memory	Grader output
1	Correct	8400 KB	Output is correct
2	Correct	8400 KB	Output is correct
3	Correct	8400 KB	Output is correct
4	Correct	8400 KB	Output is correct
5	Correct	8400 KB	Output is correct
6	Correct	8400 KB	Output is correct
7	Correct	8400 KB	Output is correct
8	Correct	8400 KB	Output is correct
9	Correct	8400 KB	Output is correct
10	Correct	8400 KB	Output is correct
11	Correct	8400 KB	Output is correct
12	Correct	8400 KB	Output is correct
13	Correct	8400 KB	Output is correct
14	Correct	8400 KB	Output is correct
15	Correct	8400 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	8400 KB	Output is correct
2	Correct	0 ms	8400 KB	Output is correct
3	Correct	0 ms	8400 KB	Output is correct
4	Correct	0 ms	8400 KB	Output is correct
5	Correct	0 ms	8400 KB	Output is correct
6	Correct	0 ms	8400 KB	Output is correct
7	Correct	0 ms	8400 KB	Output is correct
8	Correct	0 ms	8400 KB	Output is correct
9	Correct	0 ms	8400 KB	Output is correct
10	Correct	0 ms	8400 KB	Output is correct
11	Correct	0 ms	8400 KB	Output is correct
12	Correct	0 ms	8400 KB	Output is correct
13	Correct	0 ms	8400 KB	Output is correct
14	Correct	1 ms	8400 KB	Output is correct
15	Correct	1 ms	8400 KB	Output is correct
16	Correct	0 ms	8400 KB	Output is correct
17	Correct	0 ms	8400 KB	Output is correct
18	Correct	0 ms	8400 KB	Output is correct
19	Correct	0 ms	8400 KB	Output is correct
20	Correct	1 ms	8400 KB	Output is correct
21	Correct	0 ms	8400 KB	Output is correct
22	Correct	0 ms	8400 KB	Output is correct
23	Correct	2 ms	8400 KB	Output is correct
24	Correct	2 ms	8400 KB	Output is correct
25	Correct	0 ms	8400 KB	Output is correct
26	Correct	2 ms	8400 KB	Output is correct
27	Correct	0 ms	8400 KB	Output is correct
28	Correct	0 ms	8400 KB	Output is correct
29	Correct	0 ms	8536 KB	Output is correct
30	Correct	0 ms	8400 KB	Output is correct
31	Correct	2 ms	8536 KB	Output is correct
32	Correct	0 ms	8536 KB	Output is correct
33	Correct	0 ms	8544 KB	Output is correct
34	Correct	4 ms	8544 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	8400 KB	Output is correct
2	Correct	0 ms	8400 KB	Output is correct
3	Correct	0 ms	8400 KB	Output is correct
4	Correct	0 ms	8400 KB	Output is correct
5	Correct	0 ms	8400 KB	Output is correct
6	Correct	0 ms	8400 KB	Output is correct
7	Correct	0 ms	8400 KB	Output is correct
8	Correct	0 ms	8400 KB	Output is correct
9	Correct	0 ms	8400 KB	Output is correct
10	Correct	1 ms	8400 KB	Output is correct
11	Correct	0 ms	8400 KB	Output is correct
12	Correct	0 ms	8400 KB	Output is correct
13	Correct	1 ms	8400 KB	Output is correct
14	Correct	0 ms	8400 KB	Output is correct
15	Correct	0 ms	8400 KB	Output is correct
16	Correct	0 ms	8400 KB	Output is correct
17	Correct	0 ms	8400 KB	Output is correct
18	Correct	0 ms	8400 KB	Output is correct
19	Correct	0 ms	8400 KB	Output is correct
20	Correct	0 ms	8400 KB	Output is correct
21	Correct	0 ms	8400 KB	Output is correct
22	Correct	0 ms	8400 KB	Output is correct
23	Correct	0 ms	8400 KB	Output is correct
24	Correct	0 ms	8400 KB	Output is correct
25	Correct	0 ms	8400 KB	Output is correct
26	Correct	0 ms	8400 KB	Output is correct
27	Correct	2 ms	8400 KB	Output is correct
28	Correct	0 ms	8400 KB	Output is correct
29	Correct	2 ms	8536 KB	Output is correct
30	Correct	2 ms	8400 KB	Output is correct
31	Correct	2 ms	8536 KB	Output is correct
32	Correct	0 ms	8536 KB	Output is correct
33	Correct	5 ms	8544 KB	Output is correct
34	Correct	3 ms	8544 KB	Output is correct
35	Correct	9 ms	8664 KB	Output is correct
36	Correct	0 ms	8400 KB	Output is correct
37	Correct	6 ms	8700 KB	Output is correct
38	Correct	10 ms	8664 KB	Output is correct
39	Correct	14 ms	8664 KB	Output is correct
40	Correct	14 ms	8664 KB	Output is correct
41	Correct	10 ms	8664 KB	Output is correct
42	Correct	0 ms	8400 KB	Output is correct
43	Correct	9 ms	8400 KB	Output is correct
44	Correct	0 ms	8400 KB	Output is correct
45	Correct	14 ms	8708 KB	Output is correct
46	Correct	12 ms	8704 KB	Output is correct

Subtask #5
43.0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	8400 KB	Output is correct
2	Correct	0 ms	8400 KB	Output is correct
3	Correct	0 ms	8400 KB	Output is correct
4	Correct	0 ms	8400 KB	Output is correct
5	Correct	0 ms	8400 KB	Output is correct
6	Correct	0 ms	8400 KB	Output is correct
7	Correct	0 ms	8400 KB	Output is correct
8	Correct	0 ms	8400 KB	Output is correct
9	Correct	0 ms	8400 KB	Output is correct
10	Correct	0 ms	8400 KB	Output is correct
11	Correct	1 ms	8400 KB	Output is correct
12	Correct	0 ms	8400 KB	Output is correct
13	Correct	0 ms	8400 KB	Output is correct
14	Correct	1 ms	8400 KB	Output is correct
15	Correct	0 ms	8400 KB	Output is correct
16	Correct	0 ms	8400 KB	Output is correct
17	Correct	0 ms	8400 KB	Output is correct
18	Correct	0 ms	8400 KB	Output is correct
19	Correct	0 ms	8400 KB	Output is correct
20	Correct	0 ms	8400 KB	Output is correct
21	Correct	0 ms	8400 KB	Output is correct
22	Correct	0 ms	8400 KB	Output is correct
23	Correct	2 ms	8400 KB	Output is correct
24	Correct	0 ms	8400 KB	Output is correct
25	Correct	0 ms	8400 KB	Output is correct
26	Correct	0 ms	8400 KB	Output is correct
27	Correct	0 ms	8400 KB	Output is correct
28	Correct	2 ms	8400 KB	Output is correct
29	Correct	0 ms	8536 KB	Output is correct
30	Correct	0 ms	8400 KB	Output is correct
31	Correct	2 ms	8536 KB	Output is correct
32	Correct	0 ms	8536 KB	Output is correct
33	Correct	2 ms	8544 KB	Output is correct
34	Correct	4 ms	8544 KB	Output is correct
35	Correct	6 ms	8664 KB	Output is correct
36	Correct	3 ms	8400 KB	Output is correct
37	Correct	10 ms	8700 KB	Output is correct
38	Correct	10 ms	8664 KB	Output is correct
39	Correct	13 ms	8664 KB	Output is correct
40	Correct	12 ms	8664 KB	Output is correct
41	Correct	12 ms	8664 KB	Output is correct
42	Correct	6 ms	8400 KB	Output is correct
43	Correct	7 ms	8400 KB	Output is correct
44	Correct	7 ms	8400 KB	Output is correct
45	Correct	12 ms	8708 KB	Output is correct
46	Correct	9 ms	8704 KB	Output is correct
47	Correct	24 ms	9516 KB	Output is correct
48	Correct	6 ms	8796 KB	Output is correct
49	Correct	9 ms	8796 KB	Output is correct
50	Correct	3 ms	8664 KB	Output is correct
51	Correct	28 ms	9764 KB	Output is correct
52	Correct	40 ms	9768 KB	Output is correct
53	Correct	21 ms	9768 KB	Output is correct
54	Correct	4 ms	8532 KB	Output is correct
55	Correct	5 ms	8532 KB	Output is correct
56	Correct	8 ms	9324 KB	Output is correct
57	Correct	31 ms	9244 KB	Output is correct
58	Correct	6 ms	8532 KB	Output is correct
59	Correct	14 ms	8532 KB	Output is correct
60	Correct	15 ms	8536 KB	Output is correct
61	Correct	7 ms	8556 KB	Output is correct
62	Correct	18 ms	9324 KB	Output is correct
63	Correct	43 ms	10180 KB	Output is correct
64	Correct	42 ms	10140 KB	Output is correct
65	Correct	60 ms	10152 KB	Output is correct
66	Correct	84 ms	11652 KB	Output is correct
67	Correct	85 ms	11656 KB	Output is correct

Submission #15878

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 14.0 / 14.0

Subtask #4 21.0 / 21.0

Subtask #5 43.0 / 43.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
14.0 / 14.0

Subtask #4
21.0 / 21.0

Subtask #5
43.0 / 43.0