Submission #206176

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
206176	2020-03-02T15:52:25 Z	mraron	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	57 / 100	1000 ms	26040 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=200;
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	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

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	6 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	1144 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	5 ms	1144 KB	Output is correct
13	Correct	6 ms	1144 KB	Output is correct
14	Correct	7 ms	1144 KB	Output is correct
15	Correct	6 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	1016 KB	Output is correct
4	Correct	5 ms	1016 KB	Output is correct
5	Correct	6 ms	1016 KB	Output is correct
6	Correct	5 ms	1016 KB	Output is correct
7	Correct	6 ms	1016 KB	Output is correct
8	Correct	5 ms	1012 KB	Output is correct
9	Correct	6 ms	1144 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	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
16	Correct	5 ms	1272 KB	Output is correct
17	Correct	8 ms	1784 KB	Output is correct
18	Correct	7 ms	2424 KB	Output is correct
19	Correct	6 ms	2680 KB	Output is correct
20	Correct	7 ms	2684 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	2300 KB	Output is correct
24	Correct	8 ms	2552 KB	Output is correct
25	Correct	8 ms	2680 KB	Output is correct
26	Correct	7 ms	2680 KB	Output is correct
27	Correct	16 ms	2680 KB	Output is correct
28	Correct	8 ms	2680 KB	Output is correct
29	Correct	14 ms	2680 KB	Output is correct
30	Correct	8 ms	2552 KB	Output is correct
31	Correct	10 ms	2680 KB	Output is correct
32	Correct	8 ms	2680 KB	Output is correct
33	Correct	23 ms	2680 KB	Output is correct
34	Correct	23 ms	2680 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	1020 KB	Output is correct
6	Correct	5 ms	1016 KB	Output is correct
7	Correct	6 ms	1144 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	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	6 ms	1144 KB	Output is correct
16	Correct	5 ms	1272 KB	Output is correct
17	Correct	9 ms	1784 KB	Output is correct
18	Correct	6 ms	2424 KB	Output is correct
19	Correct	6 ms	2680 KB	Output is correct
20	Correct	7 ms	2684 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	2296 KB	Output is correct
24	Correct	10 ms	2552 KB	Output is correct
25	Correct	7 ms	2680 KB	Output is correct
26	Correct	7 ms	2680 KB	Output is correct
27	Correct	16 ms	2680 KB	Output is correct
28	Correct	8 ms	2680 KB	Output is correct
29	Correct	15 ms	2808 KB	Output is correct
30	Correct	8 ms	2680 KB	Output is correct
31	Correct	10 ms	2680 KB	Output is correct
32	Correct	9 ms	2680 KB	Output is correct
33	Correct	23 ms	2680 KB	Output is correct
34	Correct	25 ms	2680 KB	Output is correct
35	Correct	37 ms	2684 KB	Output is correct
36	Correct	9 ms	2040 KB	Output is correct
37	Correct	58 ms	3068 KB	Output is correct
38	Correct	57 ms	3192 KB	Output is correct
39	Correct	57 ms	3192 KB	Output is correct
40	Correct	55 ms	3320 KB	Output is correct
41	Correct	54 ms	3192 KB	Output is correct
42	Correct	12 ms	3064 KB	Output is correct
43	Correct	20 ms	3064 KB	Output is correct
44	Correct	12 ms	3064 KB	Output is correct
45	Correct	206 ms	3640 KB	Output is correct
46	Correct	206 ms	3508 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	6 ms	1148 KB	Output is correct
5	Correct	5 ms	1144 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	5 ms	1144 KB	Output is correct
13	Correct	6 ms	1144 KB	Output is correct
14	Correct	7 ms	1144 KB	Output is correct
15	Correct	6 ms	1144 KB	Output is correct
16	Correct	5 ms	1272 KB	Output is correct
17	Correct	8 ms	1656 KB	Output is correct
18	Correct	6 ms	2424 KB	Output is correct
19	Correct	6 ms	2680 KB	Output is correct
20	Correct	7 ms	2680 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	2424 KB	Output is correct
24	Correct	8 ms	2552 KB	Output is correct
25	Correct	8 ms	2680 KB	Output is correct
26	Correct	7 ms	2680 KB	Output is correct
27	Correct	16 ms	2680 KB	Output is correct
28	Correct	8 ms	2680 KB	Output is correct
29	Correct	16 ms	2680 KB	Output is correct
30	Correct	8 ms	2552 KB	Output is correct
31	Correct	10 ms	2680 KB	Output is correct
32	Correct	8 ms	2680 KB	Output is correct
33	Correct	23 ms	2680 KB	Output is correct
34	Correct	23 ms	2680 KB	Output is correct
35	Correct	38 ms	2808 KB	Output is correct
36	Correct	10 ms	2040 KB	Output is correct
37	Correct	59 ms	3192 KB	Output is correct
38	Correct	55 ms	3192 KB	Output is correct
39	Correct	55 ms	3192 KB	Output is correct
40	Correct	55 ms	3320 KB	Output is correct
41	Correct	54 ms	3192 KB	Output is correct
42	Correct	12 ms	3064 KB	Output is correct
43	Correct	23 ms	3064 KB	Output is correct
44	Correct	12 ms	3064 KB	Output is correct
45	Correct	208 ms	3512 KB	Output is correct
46	Correct	204 ms	3512 KB	Output is correct
47	Correct	246 ms	11960 KB	Output is correct
48	Correct	24 ms	19960 KB	Output is correct
49	Correct	26 ms	21624 KB	Output is correct
50	Correct	25 ms	23544 KB	Output is correct
51	Correct	94 ms	26040 KB	Output is correct
52	Correct	108 ms	26040 KB	Output is correct
53	Correct	39 ms	25592 KB	Output is correct
54	Correct	21 ms	24568 KB	Output is correct
55	Correct	22 ms	24568 KB	Output is correct
56	Correct	33 ms	25848 KB	Output is correct
57	Correct	98 ms	24824 KB	Output is correct
58	Correct	28 ms	25080 KB	Output is correct
59	Correct	36 ms	25080 KB	Output is correct
60	Correct	42 ms	25080 KB	Output is correct
61	Execution timed out	1093 ms	1528 KB	Time limit exceeded
62	Halted	0 ms	0 KB	-

Submission #206176

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