Submission #206174

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
206174	2020-03-02T15:50:50 Z	mraron	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	57 / 100	1000 ms	24124 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=180;
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	1016 KB	Output is correct
4	Correct	5 ms	1020 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

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	6 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	6 ms	1016 KB	Output is correct
7	Correct	5 ms	1016 KB	Output is correct
8	Correct	5 ms	1016 KB	Output is correct
9	Correct	5 ms	1148 KB	Output is correct
10	Correct	6 ms	1144 KB	Output is correct
11	Correct	7 ms	1144 KB	Output is correct
12	Correct	6 ms	1144 KB	Output is correct
13	Correct	5 ms	1144 KB	Output is correct
14	Correct	7 ms	1144 KB	Output is correct
15	Correct	7 ms	1144 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	1020 KB	Output is correct
4	Correct	5 ms	1016 KB	Output is correct
5	Correct	5 ms	1120 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	1016 KB	Output is correct
9	Correct	5 ms	1144 KB	Output is correct
10	Correct	6 ms	1144 KB	Output is correct
11	Correct	6 ms	1144 KB	Output is correct
12	Correct	6 ms	1144 KB	Output is correct
13	Correct	5 ms	1144 KB	Output is correct
14	Correct	7 ms	1144 KB	Output is correct
15	Correct	7 ms	1404 KB	Output is correct
16	Correct	6 ms	1272 KB	Output is correct
17	Correct	8 ms	1656 KB	Output is correct
18	Correct	7 ms	2296 KB	Output is correct
19	Correct	6 ms	2424 KB	Output is correct
20	Correct	7 ms	2552 KB	Output is correct
21	Correct	6 ms	1400 KB	Output is correct
22	Correct	6 ms	2424 KB	Output is correct
23	Correct	7 ms	2424 KB	Output is correct
24	Correct	8 ms	2424 KB	Output is correct
25	Correct	8 ms	2552 KB	Output is correct
26	Correct	7 ms	2552 KB	Output is correct
27	Correct	16 ms	2552 KB	Output is correct
28	Correct	8 ms	2552 KB	Output is correct
29	Correct	14 ms	2552 KB	Output is correct
30	Correct	8 ms	2552 KB	Output is correct
31	Correct	10 ms	2552 KB	Output is correct
32	Correct	9 ms	2552 KB	Output is correct
33	Correct	23 ms	2552 KB	Output is correct
34	Correct	23 ms	2552 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	892 KB	Output is correct
2	Correct	5 ms	1016 KB	Output is correct
3	Correct	6 ms	1144 KB	Output is correct
4	Correct	5 ms	1016 KB	Output is correct
5	Correct	5 ms	1100 KB	Output is correct
6	Correct	5 ms	1144 KB	Output is correct
7	Correct	6 ms	1016 KB	Output is correct
8	Correct	5 ms	1016 KB	Output is correct
9	Correct	6 ms	1020 KB	Output is correct
10	Correct	5 ms	1144 KB	Output is correct
11	Correct	6 ms	1144 KB	Output is correct
12	Correct	6 ms	1144 KB	Output is correct
13	Correct	6 ms	1144 KB	Output is correct
14	Correct	7 ms	1272 KB	Output is correct
15	Correct	7 ms	1148 KB	Output is correct
16	Correct	5 ms	1144 KB	Output is correct
17	Correct	10 ms	1656 KB	Output is correct
18	Correct	6 ms	2296 KB	Output is correct
19	Correct	6 ms	2424 KB	Output is correct
20	Correct	8 ms	2600 KB	Output is correct
21	Correct	6 ms	1404 KB	Output is correct
22	Correct	7 ms	2296 KB	Output is correct
23	Correct	7 ms	2168 KB	Output is correct
24	Correct	8 ms	2424 KB	Output is correct
25	Correct	7 ms	2552 KB	Output is correct
26	Correct	7 ms	2552 KB	Output is correct
27	Correct	16 ms	2552 KB	Output is correct
28	Correct	8 ms	2552 KB	Output is correct
29	Correct	14 ms	2552 KB	Output is correct
30	Correct	9 ms	2552 KB	Output is correct
31	Correct	10 ms	2552 KB	Output is correct
32	Correct	9 ms	2424 KB	Output is correct
33	Correct	22 ms	2552 KB	Output is correct
34	Correct	22 ms	2552 KB	Output is correct
35	Correct	37 ms	2808 KB	Output is correct
36	Correct	9 ms	2040 KB	Output is correct
37	Correct	58 ms	3064 KB	Output is correct
38	Correct	54 ms	3320 KB	Output is correct
39	Correct	56 ms	3320 KB	Output is correct
40	Correct	55 ms	3320 KB	Output is correct
41	Correct	56 ms	3320 KB	Output is correct
42	Correct	12 ms	3192 KB	Output is correct
43	Correct	21 ms	3192 KB	Output is correct
44	Correct	13 ms	3192 KB	Output is correct
45	Correct	227 ms	3640 KB	Output is correct
46	Correct	232 ms	3640 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	6 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	1016 KB	Output is correct
7	Correct	5 ms	1016 KB	Output is correct
8	Correct	5 ms	1016 KB	Output is correct
9	Correct	5 ms	1144 KB	Output is correct
10	Correct	5 ms	1144 KB	Output is correct
11	Correct	7 ms	1144 KB	Output is correct
12	Correct	6 ms	1144 KB	Output is correct
13	Correct	6 ms	1144 KB	Output is correct
14	Correct	6 ms	1272 KB	Output is correct
15	Correct	7 ms	1272 KB	Output is correct
16	Correct	5 ms	1272 KB	Output is correct
17	Correct	8 ms	1656 KB	Output is correct
18	Correct	8 ms	2296 KB	Output is correct
19	Correct	6 ms	2428 KB	Output is correct
20	Correct	7 ms	2552 KB	Output is correct
21	Correct	6 ms	1400 KB	Output is correct
22	Correct	7 ms	2424 KB	Output is correct
23	Correct	7 ms	2168 KB	Output is correct
24	Correct	8 ms	2424 KB	Output is correct
25	Correct	7 ms	2552 KB	Output is correct
26	Correct	7 ms	2552 KB	Output is correct
27	Correct	16 ms	2552 KB	Output is correct
28	Correct	8 ms	2552 KB	Output is correct
29	Correct	14 ms	2552 KB	Output is correct
30	Correct	8 ms	2424 KB	Output is correct
31	Correct	10 ms	2552 KB	Output is correct
32	Correct	9 ms	2552 KB	Output is correct
33	Correct	22 ms	2552 KB	Output is correct
34	Correct	24 ms	2552 KB	Output is correct
35	Correct	38 ms	2808 KB	Output is correct
36	Correct	9 ms	2040 KB	Output is correct
37	Correct	56 ms	3064 KB	Output is correct
38	Correct	54 ms	3320 KB	Output is correct
39	Correct	58 ms	3452 KB	Output is correct
40	Correct	57 ms	3448 KB	Output is correct
41	Correct	56 ms	3320 KB	Output is correct
42	Correct	13 ms	3192 KB	Output is correct
43	Correct	22 ms	3192 KB	Output is correct
44	Correct	12 ms	3192 KB	Output is correct
45	Correct	231 ms	3768 KB	Output is correct
46	Correct	231 ms	3640 KB	Output is correct
47	Correct	214 ms	11192 KB	Output is correct
48	Correct	25 ms	18424 KB	Output is correct
49	Correct	25 ms	19960 KB	Output is correct
50	Correct	23 ms	21496 KB	Output is correct
51	Correct	92 ms	24124 KB	Output is correct
52	Correct	103 ms	24124 KB	Output is correct
53	Correct	37 ms	23544 KB	Output is correct
54	Correct	20 ms	22264 KB	Output is correct
55	Correct	20 ms	22264 KB	Output is correct
56	Correct	32 ms	23672 KB	Output is correct
57	Correct	95 ms	22392 KB	Output is correct
58	Correct	28 ms	22904 KB	Output is correct
59	Correct	36 ms	23032 KB	Output is correct
60	Correct	40 ms	23032 KB	Output is correct
61	Execution timed out	1079 ms	1784 KB	Time limit exceeded
62	Halted	0 ms	0 KB	-

Submission #206174

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