Submission #206177

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
206177	2020-03-02T15:53:00 Z	mraron	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	57 / 100	1000 ms	61112 KB

skyscraper

#include<bits/stdc++.h>
using namespace std;
#define xx first
#define yy second
int n,m;
const int MAXN=30001;
const int lim=500;
int b[MAXN];
int p[MAXN];
int dst[MAXN][lim+1];

vector<int> lst[MAXN];

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin>>n>>m;
	for(int i=0;i<m;++i) {
		cin>>b[i]>>p[i];
		lst[b[i]].push_back(p[i]);
	}
	
	for(int i=0;i<n;++i) {
		lst[b[i]].push_back(0);
		sort(lst[b[i]].begin(), lst[b[i]].end());
		lst[b[i]].resize(distance(lst[b[i]].begin(), unique(lst[b[i]].begin(), lst[b[i]].end())));
	}
	for(int i=0;i<n;++i) {
		for(int j=0;j<=lim;++j) {
			dst[i][j]=1e9;
		}
	}
	
	dst[b[0]][0]=0;
	priority_queue<pair<int,pair<int,int>>, vector<pair<int,pair<int,int>>>, greater<pair<int,pair<int,int>>>> pq;
	pq.push({0, {b[0], 0}});
	while(!pq.empty()) {
		auto tp=pq.top();
		pq.pop();
		if(tp.xx>dst[tp.yy.xx][tp.yy.yy]) continue ;
		
		for(auto i:lst[tp.yy.xx]) {
			if(i<=lim) {
				if(tp.xx<dst[tp.yy.xx][i]) {
					dst[tp.yy.xx][i]=tp.xx;
					pq.push({dst[tp.yy.xx][i], {tp.yy.xx, i}});
				}
			}else {
				for(int j=tp.yy.xx%i;j<n;j+=i) {
					int diff=abs(j-tp.yy.xx)/i;
					if(tp.xx+diff<dst[j][0]) {
						dst[j][0]=tp.xx+diff;
						pq.push({dst[j][0], {j,0}});
					}
				}
			}
		}
		
		if(tp.yy.xx-tp.yy.yy>=0 && tp.xx+1<dst[tp.yy.xx-tp.yy.yy][tp.yy.yy]) {
			dst[tp.yy.xx-tp.yy.yy][tp.yy.yy]=tp.xx+1;
			pq.push({dst[tp.yy.xx-tp.yy.yy][tp.yy.yy], {tp.yy.xx-tp.yy.yy, tp.yy.yy}});
		}
		
		if(tp.yy.xx+tp.yy.yy<n && tp.xx+1<dst[tp.yy.xx+tp.yy.yy][tp.yy.yy]) {
			dst[tp.yy.xx+tp.yy.yy][tp.yy.yy]=tp.xx+1;
			pq.push({dst[tp.yy.xx+tp.yy.yy][tp.yy.yy], {tp.yy.xx+tp.yy.yy, tp.yy.yy}});
		}
	}
	
	if(dst[b[1]][0]==1e9) cout<<-1;
	else cout<<dst[b[1]][0];
	cout<<"\n";
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	1016 KB	Output is correct
2	Correct	5 ms	1016 KB	Output is correct
3	Correct	5 ms	1144 KB	Output is correct
4	Correct	5 ms	1016 KB	Output is correct
5	Correct	5 ms	1016 KB	Output is correct
6	Correct	5 ms	1016 KB	Output is correct
7	Correct	5 ms	1016 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	1016 KB	Output is correct
2	Correct	5 ms	1016 KB	Output is correct
3	Correct	5 ms	1016 KB	Output is correct
4	Correct	5 ms	1016 KB	Output is correct
5	Correct	5 ms	1020 KB	Output is correct
6	Correct	5 ms	1016 KB	Output is correct
7	Correct	5 ms	1016 KB	Output is correct
8	Correct	5 ms	1144 KB	Output is correct
9	Correct	5 ms	1144 KB	Output is correct
10	Correct	5 ms	1272 KB	Output is correct
11	Correct	6 ms	1400 KB	Output is correct
12	Correct	6 ms	1272 KB	Output is correct
13	Correct	6 ms	1272 KB	Output is correct
14	Correct	7 ms	1276 KB	Output is correct
15	Correct	8 ms	1272 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	1016 KB	Output is correct
2	Correct	5 ms	1016 KB	Output is correct
3	Correct	5 ms	1016 KB	Output is correct
4	Correct	5 ms	1016 KB	Output is correct
5	Correct	5 ms	1020 KB	Output is correct
6	Correct	6 ms	1016 KB	Output is correct
7	Correct	5 ms	1016 KB	Output is correct
8	Correct	5 ms	1144 KB	Output is correct
9	Correct	5 ms	1144 KB	Output is correct
10	Correct	6 ms	1272 KB	Output is correct
11	Correct	6 ms	1272 KB	Output is correct
12	Correct	6 ms	1272 KB	Output is correct
13	Correct	5 ms	1272 KB	Output is correct
14	Correct	7 ms	1272 KB	Output is correct
15	Correct	7 ms	1400 KB	Output is correct
16	Correct	6 ms	1400 KB	Output is correct
17	Correct	9 ms	2552 KB	Output is correct
18	Correct	10 ms	4472 KB	Output is correct
19	Correct	7 ms	4984 KB	Output is correct
20	Correct	8 ms	4984 KB	Output is correct
21	Correct	6 ms	1784 KB	Output is correct
22	Correct	7 ms	4600 KB	Output is correct
23	Correct	9 ms	4344 KB	Output is correct
24	Correct	10 ms	4856 KB	Output is correct
25	Correct	9 ms	5112 KB	Output is correct
26	Correct	8 ms	4988 KB	Output is correct
27	Correct	17 ms	4984 KB	Output is correct
28	Correct	10 ms	4984 KB	Output is correct
29	Correct	15 ms	4984 KB	Output is correct
30	Correct	9 ms	4984 KB	Output is correct
31	Correct	13 ms	4984 KB	Output is correct
32	Correct	10 ms	4984 KB	Output is correct
33	Correct	26 ms	5112 KB	Output is correct
34	Correct	15 ms	4984 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	1016 KB	Output is correct
2	Correct	5 ms	1016 KB	Output is correct
3	Correct	5 ms	1016 KB	Output is correct
4	Correct	5 ms	1016 KB	Output is correct
5	Correct	5 ms	1016 KB	Output is correct
6	Correct	5 ms	1016 KB	Output is correct
7	Correct	5 ms	1016 KB	Output is correct
8	Correct	5 ms	1144 KB	Output is correct
9	Correct	5 ms	1144 KB	Output is correct
10	Correct	5 ms	1272 KB	Output is correct
11	Correct	7 ms	1272 KB	Output is correct
12	Correct	5 ms	1272 KB	Output is correct
13	Correct	5 ms	1272 KB	Output is correct
14	Correct	8 ms	1272 KB	Output is correct
15	Correct	6 ms	1272 KB	Output is correct
16	Correct	5 ms	1400 KB	Output is correct
17	Correct	10 ms	2680 KB	Output is correct
18	Correct	7 ms	4472 KB	Output is correct
19	Correct	8 ms	4984 KB	Output is correct
20	Correct	8 ms	5112 KB	Output is correct
21	Correct	6 ms	1784 KB	Output is correct
22	Correct	8 ms	4600 KB	Output is correct
23	Correct	8 ms	4216 KB	Output is correct
24	Correct	10 ms	4856 KB	Output is correct
25	Correct	9 ms	4984 KB	Output is correct
26	Correct	9 ms	4984 KB	Output is correct
27	Correct	17 ms	4984 KB	Output is correct
28	Correct	9 ms	4984 KB	Output is correct
29	Correct	15 ms	5032 KB	Output is correct
30	Correct	9 ms	4984 KB	Output is correct
31	Correct	12 ms	4984 KB	Output is correct
32	Correct	10 ms	4984 KB	Output is correct
33	Correct	24 ms	5112 KB	Output is correct
34	Correct	25 ms	4984 KB	Output is correct
35	Correct	41 ms	4600 KB	Output is correct
36	Correct	10 ms	3320 KB	Output is correct
37	Correct	57 ms	5564 KB	Output is correct
38	Correct	61 ms	5756 KB	Output is correct
39	Correct	63 ms	5728 KB	Output is correct
40	Correct	62 ms	5752 KB	Output is correct
41	Correct	61 ms	5752 KB	Output is correct
42	Correct	13 ms	5496 KB	Output is correct
43	Correct	22 ms	5496 KB	Output is correct
44	Correct	14 ms	5368 KB	Output is correct
45	Correct	120 ms	5944 KB	Output is correct
46	Correct	111 ms	5944 KB	Output is correct

Subtask #5
0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	1016 KB	Output is correct
2	Correct	5 ms	1016 KB	Output is correct
3	Correct	5 ms	1016 KB	Output is correct
4	Correct	5 ms	1144 KB	Output is correct
5	Correct	5 ms	1016 KB	Output is correct
6	Correct	5 ms	1144 KB	Output is correct
7	Correct	5 ms	1016 KB	Output is correct
8	Correct	5 ms	1144 KB	Output is correct
9	Correct	5 ms	1144 KB	Output is correct
10	Correct	5 ms	1272 KB	Output is correct
11	Correct	7 ms	1272 KB	Output is correct
12	Correct	6 ms	1272 KB	Output is correct
13	Correct	5 ms	1272 KB	Output is correct
14	Correct	7 ms	1272 KB	Output is correct
15	Correct	7 ms	1272 KB	Output is correct
16	Correct	6 ms	1400 KB	Output is correct
17	Correct	9 ms	2552 KB	Output is correct
18	Correct	9 ms	4476 KB	Output is correct
19	Correct	8 ms	4984 KB	Output is correct
20	Correct	8 ms	5112 KB	Output is correct
21	Correct	6 ms	1784 KB	Output is correct
22	Correct	8 ms	4600 KB	Output is correct
23	Correct	9 ms	4216 KB	Output is correct
24	Correct	10 ms	4856 KB	Output is correct
25	Correct	9 ms	4988 KB	Output is correct
26	Correct	9 ms	4984 KB	Output is correct
27	Correct	17 ms	4984 KB	Output is correct
28	Correct	10 ms	4984 KB	Output is correct
29	Correct	16 ms	4984 KB	Output is correct
30	Correct	9 ms	4984 KB	Output is correct
31	Correct	11 ms	4984 KB	Output is correct
32	Correct	10 ms	4984 KB	Output is correct
33	Correct	23 ms	4984 KB	Output is correct
34	Correct	24 ms	4984 KB	Output is correct
35	Correct	41 ms	4600 KB	Output is correct
36	Correct	11 ms	3320 KB	Output is correct
37	Correct	55 ms	5560 KB	Output is correct
38	Correct	66 ms	5816 KB	Output is correct
39	Correct	62 ms	5752 KB	Output is correct
40	Correct	60 ms	5752 KB	Output is correct
41	Correct	61 ms	5752 KB	Output is correct
42	Correct	13 ms	5496 KB	Output is correct
43	Correct	22 ms	5496 KB	Output is correct
44	Correct	13 ms	5496 KB	Output is correct
45	Correct	114 ms	5944 KB	Output is correct
46	Correct	111 ms	5944 KB	Output is correct
47	Correct	285 ms	26424 KB	Output is correct
48	Correct	41 ms	47224 KB	Output is correct
49	Correct	46 ms	51448 KB	Output is correct
50	Correct	43 ms	56312 KB	Output is correct
51	Correct	125 ms	61112 KB	Output is correct
52	Correct	136 ms	61112 KB	Output is correct
53	Correct	61 ms	60792 KB	Output is correct
54	Correct	41 ms	59896 KB	Output is correct
55	Correct	41 ms	59896 KB	Output is correct
56	Correct	52 ms	61048 KB	Output is correct
57	Correct	125 ms	60024 KB	Output is correct
58	Correct	49 ms	60284 KB	Output is correct
59	Correct	59 ms	60320 KB	Output is correct
60	Correct	62 ms	60408 KB	Output is correct
61	Execution timed out	1090 ms	1528 KB	Time limit exceeded
62	Halted	0 ms	0 KB	-

Submission #206177

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 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
0 / 43.0