Submission #1028553

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1028553	2024-07-20T04:21:06 Z	vjudge1	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	57 / 100	1000 ms	63928 KB

skyscraper

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

#define ll long long
int const N=3e4+5;
int const inf=1e9+7;

set<int> sky[N];
int pw[N];
int pos[N];
set<pair<int,int>> vis;

int main(){
	int n,m;
	cin>>n>>m;
	for (int i = 0; i < m; ++i){
		cin>>pos[i]>>pw[i];
		sky[pos[i]].insert(pw[i]);
	}
	int tar=pos[1];
	set<int> in;
	in.insert(pos[0]);
	vis.insert({pos[0],pw[0]});
	int cur=0;
	while(in.size()){
		vector<pair<int,int>> upd;
		for(int c:in){
			// cout<<"sky := "<<c<<endl;
			if(c==tar){
				cout<<cur<<endl;
				return 0;
			}
			for(int p:sky[c]){
				// cout<<p<<' ';
				if(c+p<n)
					upd.push_back({c+p,p});
				if(c-p>=0)
					upd.push_back({c-p,p});
			}
			// cout<<endl;
			sky[c].clear();
		}
		in.clear();
		// cout<<"Upd"<<endl;
		for(auto [s,p]:upd){

			if(vis.find({s,p})!=vis.end())
				continue;
			// cout<<s<<' '<<p<<endl;
			vis.insert({s,p});
			sky[s].insert(p);
			in.insert(s);
		}
		cur++;
		// cout<<"next"<<endl;
	}
	cout<<-1<<endl;
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	1624 KB	Output is correct
2	Correct	1 ms	1624 KB	Output is correct
3	Correct	1 ms	1628 KB	Output is correct
4	Correct	1 ms	1628 KB	Output is correct
5	Correct	1 ms	1628 KB	Output is correct
6	Correct	1 ms	1628 KB	Output is correct
7	Correct	1 ms	1628 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1628 KB	Output is correct
2	Correct	1 ms	1628 KB	Output is correct
3	Correct	1 ms	1628 KB	Output is correct
4	Correct	1 ms	1628 KB	Output is correct
5	Correct	1 ms	1628 KB	Output is correct
6	Correct	1 ms	1628 KB	Output is correct
7	Correct	1 ms	1624 KB	Output is correct
8	Correct	1 ms	1628 KB	Output is correct
9	Correct	1 ms	1628 KB	Output is correct
10	Correct	1 ms	1884 KB	Output is correct
11	Correct	1 ms	1884 KB	Output is correct
12	Correct	1 ms	1628 KB	Output is correct
13	Correct	1 ms	1628 KB	Output is correct
14	Correct	3 ms	2140 KB	Output is correct
15	Correct	2 ms	1884 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1628 KB	Output is correct
2	Correct	1 ms	1628 KB	Output is correct
3	Correct	1 ms	1628 KB	Output is correct
4	Correct	1 ms	1628 KB	Output is correct
5	Correct	1 ms	1628 KB	Output is correct
6	Correct	1 ms	1628 KB	Output is correct
7	Correct	1 ms	1628 KB	Output is correct
8	Correct	1 ms	1628 KB	Output is correct
9	Correct	1 ms	1628 KB	Output is correct
10	Correct	1 ms	1884 KB	Output is correct
11	Correct	1 ms	1884 KB	Output is correct
12	Correct	1 ms	1628 KB	Output is correct
13	Correct	1 ms	1628 KB	Output is correct
14	Correct	3 ms	2260 KB	Output is correct
15	Correct	4 ms	1880 KB	Output is correct
16	Correct	1 ms	1884 KB	Output is correct
17	Correct	2 ms	1880 KB	Output is correct
18	Correct	1 ms	1884 KB	Output is correct
19	Correct	1 ms	1884 KB	Output is correct
20	Correct	2 ms	1884 KB	Output is correct
21	Correct	1 ms	1884 KB	Output is correct
22	Correct	1 ms	1884 KB	Output is correct
23	Correct	2 ms	1884 KB	Output is correct
24	Correct	3 ms	2112 KB	Output is correct
25	Correct	1 ms	1884 KB	Output is correct
26	Correct	2 ms	1884 KB	Output is correct
27	Correct	2 ms	1884 KB	Output is correct
28	Correct	9 ms	2708 KB	Output is correct
29	Correct	30 ms	4552 KB	Output is correct
30	Correct	6 ms	2396 KB	Output is correct
31	Correct	13 ms	3160 KB	Output is correct
32	Correct	9 ms	2908 KB	Output is correct
33	Correct	57 ms	7408 KB	Output is correct
34	Correct	26 ms	4956 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1628 KB	Output is correct
2	Correct	1 ms	1628 KB	Output is correct
3	Correct	1 ms	1628 KB	Output is correct
4	Correct	1 ms	1624 KB	Output is correct
5	Correct	1 ms	1628 KB	Output is correct
6	Correct	1 ms	1628 KB	Output is correct
7	Correct	1 ms	1628 KB	Output is correct
8	Correct	1 ms	1628 KB	Output is correct
9	Correct	1 ms	1628 KB	Output is correct
10	Correct	1 ms	1884 KB	Output is correct
11	Correct	1 ms	1884 KB	Output is correct
12	Correct	1 ms	1628 KB	Output is correct
13	Correct	1 ms	1628 KB	Output is correct
14	Correct	3 ms	2140 KB	Output is correct
15	Correct	2 ms	1884 KB	Output is correct
16	Correct	1 ms	1884 KB	Output is correct
17	Correct	2 ms	2116 KB	Output is correct
18	Correct	1 ms	1884 KB	Output is correct
19	Correct	1 ms	1884 KB	Output is correct
20	Correct	2 ms	1884 KB	Output is correct
21	Correct	1 ms	1884 KB	Output is correct
22	Correct	1 ms	1884 KB	Output is correct
23	Correct	3 ms	1884 KB	Output is correct
24	Correct	4 ms	2140 KB	Output is correct
25	Correct	2 ms	1880 KB	Output is correct
26	Correct	2 ms	1884 KB	Output is correct
27	Correct	3 ms	1884 KB	Output is correct
28	Correct	9 ms	2652 KB	Output is correct
29	Correct	28 ms	4544 KB	Output is correct
30	Correct	7 ms	2396 KB	Output is correct
31	Correct	15 ms	3336 KB	Output is correct
32	Correct	11 ms	2904 KB	Output is correct
33	Correct	67 ms	7336 KB	Output is correct
34	Correct	29 ms	4948 KB	Output is correct
35	Correct	19 ms	3928 KB	Output is correct
36	Correct	2 ms	2140 KB	Output is correct
37	Correct	10 ms	3420 KB	Output is correct
38	Correct	16 ms	3676 KB	Output is correct
39	Correct	12 ms	3672 KB	Output is correct
40	Correct	14 ms	3420 KB	Output is correct
41	Correct	14 ms	3672 KB	Output is correct
42	Correct	8 ms	2140 KB	Output is correct
43	Correct	9 ms	2140 KB	Output is correct
44	Correct	7 ms	1956 KB	Output is correct
45	Correct	313 ms	24464 KB	Output is correct
46	Correct	144 ms	16680 KB	Output is correct

Subtask #5
0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1624 KB	Output is correct
2	Correct	1 ms	1628 KB	Output is correct
3	Correct	1 ms	1628 KB	Output is correct
4	Correct	1 ms	1628 KB	Output is correct
5	Correct	1 ms	1628 KB	Output is correct
6	Correct	1 ms	1628 KB	Output is correct
7	Correct	1 ms	1624 KB	Output is correct
8	Correct	1 ms	1628 KB	Output is correct
9	Correct	1 ms	1624 KB	Output is correct
10	Correct	2 ms	1724 KB	Output is correct
11	Correct	1 ms	1884 KB	Output is correct
12	Correct	1 ms	1884 KB	Output is correct
13	Correct	1 ms	1628 KB	Output is correct
14	Correct	4 ms	2140 KB	Output is correct
15	Correct	2 ms	1884 KB	Output is correct
16	Correct	1 ms	1884 KB	Output is correct
17	Correct	2 ms	1884 KB	Output is correct
18	Correct	1 ms	1884 KB	Output is correct
19	Correct	1 ms	1884 KB	Output is correct
20	Correct	2 ms	1884 KB	Output is correct
21	Correct	1 ms	1884 KB	Output is correct
22	Correct	1 ms	1884 KB	Output is correct
23	Correct	3 ms	1884 KB	Output is correct
24	Correct	4 ms	2392 KB	Output is correct
25	Correct	2 ms	1880 KB	Output is correct
26	Correct	2 ms	1884 KB	Output is correct
27	Correct	2 ms	1884 KB	Output is correct
28	Correct	9 ms	2612 KB	Output is correct
29	Correct	33 ms	4588 KB	Output is correct
30	Correct	7 ms	2392 KB	Output is correct
31	Correct	15 ms	3256 KB	Output is correct
32	Correct	11 ms	2908 KB	Output is correct
33	Correct	56 ms	7388 KB	Output is correct
34	Correct	26 ms	4944 KB	Output is correct
35	Correct	25 ms	3932 KB	Output is correct
36	Correct	3 ms	2140 KB	Output is correct
37	Correct	13 ms	3420 KB	Output is correct
38	Correct	16 ms	3932 KB	Output is correct
39	Correct	13 ms	3280 KB	Output is correct
40	Correct	12 ms	3420 KB	Output is correct
41	Correct	14 ms	3676 KB	Output is correct
42	Correct	8 ms	2168 KB	Output is correct
43	Correct	10 ms	2268 KB	Output is correct
44	Correct	9 ms	2140 KB	Output is correct
45	Correct	319 ms	24448 KB	Output is correct
46	Correct	145 ms	16680 KB	Output is correct
47	Correct	14 ms	4188 KB	Output is correct
48	Correct	9 ms	2908 KB	Output is correct
49	Correct	13 ms	2936 KB	Output is correct
50	Correct	9 ms	2652 KB	Output is correct
51	Correct	40 ms	5640 KB	Output is correct
52	Correct	46 ms	5824 KB	Output is correct
53	Correct	15 ms	3416 KB	Output is correct
54	Correct	4 ms	2392 KB	Output is correct
55	Correct	7 ms	2904 KB	Output is correct
56	Correct	22 ms	3480 KB	Output is correct
57	Correct	2 ms	1884 KB	Output is correct
58	Correct	28 ms	5000 KB	Output is correct
59	Correct	26 ms	4692 KB	Output is correct
60	Correct	26 ms	4600 KB	Output is correct
61	Correct	25 ms	4700 KB	Output is correct
62	Correct	291 ms	22224 KB	Output is correct
63	Execution timed out	1027 ms	63928 KB	Time limit exceeded
64	Halted	0 ms	0 KB	-

Submission #1028553

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