Submission #969794

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
969794	2024-04-25T15:42:15 Z	pcc	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	57 / 100	205 ms	183348 KB

skyscraper

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

#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>


const int inf = 1e9;
const int mxn = 3e4+10;
const int mxe = mxn*sqrt(mxn)*2;
const int mxv = mxe;

map<pii,vector<int>> mp;
int N,M;
int ecnt,vcnt;
int to[mxe],nid[mxe],wei[mxe];
int head[mxv];
int dist[mxv];
int S,T;

void add_edge(int a,int b,int w){
	ecnt++;
	nid[ecnt] = head[a];
	to[ecnt] = b;
	wei[ecnt] = w;
	head[a] = ecnt;
}

deque<pii> dq;
void BFS(){
	fill(dist,dist+mxv,inf);
	dist[S] = 0;
	dq.push_back(pii(0,S));
	while(!dq.empty()){
		auto [d,now] = dq.front();
		dq.pop_front();
		if(d != dist[now])continue;
		for(int eid = head[now];eid;eid = nid[eid]){
			int nxt = to[eid],w = wei[eid];
			//cout<<now<<' '<<nxt<<":"<<dist[now]+w<<' '<<dist[nxt]<<endl;
			if(!w){
				if(dist[nxt]>dist[now]){
					dist[nxt] = dist[now];
					dq.push_front(pii(dist[nxt],nxt));
				}
			}
			else{
				if(dist[nxt]>dist[now]+w){
					dist[nxt] = dist[now]+w;
					dq.push_back(pii(dist[nxt],nxt));
				}
			}
		}
	}
	return;
}


int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>N>>M;
	for(int i = 0;i<M;i++){
		pii tmp;
		cin>>tmp.fs>>tmp.sc;
		mp[pii(tmp.sc,tmp.fs%tmp.sc)].push_back(tmp.fs);
		if(!i)S = tmp.fs;
		if(i == 1)T = tmp.fs;
	}
	vcnt = N-1;
	for(auto &i:mp){
		sort(i.sc.rbegin(),i.sc.rend());
		for(int j = i.fs.sc;j<N;j+=i.fs.fs){
			vcnt++;
			add_edge(vcnt,j,0);
			while(!i.sc.empty()&&i.sc.back() == j){
				add_edge(i.sc.back(),vcnt,0);
				i.sc.pop_back();
			}
			if(j != i.fs.sc){
				add_edge(vcnt-1,vcnt,1);
				add_edge(vcnt,vcnt-1,1);
			}
		}
	}
	BFS();
	cout<<(dist[T]>=inf?-1:dist[T])<<'\n';
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	23 ms	47196 KB	Output is correct
2	Correct	13 ms	47196 KB	Output is correct
3	Correct	13 ms	47192 KB	Output is correct
4	Correct	13 ms	47252 KB	Output is correct
5	Correct	13 ms	47196 KB	Output is correct
6	Correct	12 ms	47196 KB	Output is correct
7	Correct	12 ms	47196 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	16 ms	47608 KB	Output is correct
2	Correct	15 ms	47196 KB	Output is correct
3	Correct	13 ms	47196 KB	Output is correct
4	Correct	12 ms	47196 KB	Output is correct
5	Correct	12 ms	47192 KB	Output is correct
6	Correct	13 ms	47312 KB	Output is correct
7	Correct	12 ms	47196 KB	Output is correct
8	Correct	12 ms	47192 KB	Output is correct
9	Correct	12 ms	47196 KB	Output is correct
10	Correct	13 ms	47196 KB	Output is correct
11	Correct	17 ms	47704 KB	Output is correct
12	Correct	13 ms	47320 KB	Output is correct
13	Correct	12 ms	47196 KB	Output is correct
14	Correct	13 ms	47452 KB	Output is correct
15	Correct	13 ms	47452 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	13 ms	47196 KB	Output is correct
2	Correct	13 ms	47196 KB	Output is correct
3	Correct	12 ms	47196 KB	Output is correct
4	Correct	12 ms	47272 KB	Output is correct
5	Correct	13 ms	47192 KB	Output is correct
6	Correct	14 ms	47256 KB	Output is correct
7	Correct	12 ms	47196 KB	Output is correct
8	Correct	13 ms	47196 KB	Output is correct
9	Correct	12 ms	47296 KB	Output is correct
10	Correct	12 ms	47196 KB	Output is correct
11	Correct	13 ms	47448 KB	Output is correct
12	Correct	13 ms	47312 KB	Output is correct
13	Correct	13 ms	47196 KB	Output is correct
14	Correct	14 ms	47452 KB	Output is correct
15	Correct	14 ms	47452 KB	Output is correct
16	Correct	12 ms	47196 KB	Output is correct
17	Correct	14 ms	47452 KB	Output is correct
18	Correct	14 ms	47424 KB	Output is correct
19	Correct	12 ms	47448 KB	Output is correct
20	Correct	13 ms	47196 KB	Output is correct
21	Correct	13 ms	47444 KB	Output is correct
22	Correct	16 ms	47196 KB	Output is correct
23	Correct	13 ms	47704 KB	Output is correct
24	Correct	13 ms	47452 KB	Output is correct
25	Correct	13 ms	47452 KB	Output is correct
26	Correct	16 ms	47588 KB	Output is correct
27	Correct	16 ms	47196 KB	Output is correct
28	Correct	13 ms	47452 KB	Output is correct
29	Correct	14 ms	47452 KB	Output is correct
30	Correct	14 ms	47196 KB	Output is correct
31	Correct	14 ms	47452 KB	Output is correct
32	Correct	13 ms	47220 KB	Output is correct
33	Correct	17 ms	52060 KB	Output is correct
34	Correct	20 ms	52056 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	16 ms	47192 KB	Output is correct
2	Correct	12 ms	47204 KB	Output is correct
3	Correct	12 ms	47276 KB	Output is correct
4	Correct	12 ms	47192 KB	Output is correct
5	Correct	12 ms	47192 KB	Output is correct
6	Correct	18 ms	47196 KB	Output is correct
7	Correct	12 ms	47196 KB	Output is correct
8	Correct	15 ms	47312 KB	Output is correct
9	Correct	12 ms	47192 KB	Output is correct
10	Correct	13 ms	47324 KB	Output is correct
11	Correct	13 ms	47452 KB	Output is correct
12	Correct	13 ms	47296 KB	Output is correct
13	Correct	12 ms	47272 KB	Output is correct
14	Correct	13 ms	47452 KB	Output is correct
15	Correct	13 ms	47452 KB	Output is correct
16	Correct	13 ms	47628 KB	Output is correct
17	Correct	13 ms	47452 KB	Output is correct
18	Correct	12 ms	47704 KB	Output is correct
19	Correct	13 ms	47196 KB	Output is correct
20	Correct	13 ms	47192 KB	Output is correct
21	Correct	12 ms	47704 KB	Output is correct
22	Correct	12 ms	47196 KB	Output is correct
23	Correct	13 ms	47452 KB	Output is correct
24	Correct	15 ms	47452 KB	Output is correct
25	Correct	18 ms	47356 KB	Output is correct
26	Correct	13 ms	47192 KB	Output is correct
27	Correct	13 ms	47196 KB	Output is correct
28	Correct	14 ms	47452 KB	Output is correct
29	Correct	16 ms	47704 KB	Output is correct
30	Correct	13 ms	47196 KB	Output is correct
31	Correct	17 ms	47452 KB	Output is correct
32	Correct	17 ms	47396 KB	Output is correct
33	Correct	18 ms	52060 KB	Output is correct
34	Correct	18 ms	52056 KB	Output is correct
35	Correct	34 ms	52552 KB	Output is correct
36	Correct	15 ms	47960 KB	Output is correct
37	Correct	31 ms	56156 KB	Output is correct
38	Correct	37 ms	57428 KB	Output is correct
39	Correct	36 ms	57268 KB	Output is correct
40	Correct	42 ms	57292 KB	Output is correct
41	Correct	36 ms	57432 KB	Output is correct
42	Correct	16 ms	47452 KB	Output is correct
43	Correct	16 ms	47452 KB	Output is correct
44	Correct	15 ms	47452 KB	Output is correct
45	Correct	57 ms	68944 KB	Output is correct
46	Correct	71 ms	69156 KB	Output is correct

Subtask #5
0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	12 ms	47192 KB	Output is correct
2	Correct	12 ms	47304 KB	Output is correct
3	Correct	12 ms	47196 KB	Output is correct
4	Correct	13 ms	47196 KB	Output is correct
5	Correct	12 ms	47196 KB	Output is correct
6	Correct	12 ms	47196 KB	Output is correct
7	Correct	12 ms	47192 KB	Output is correct
8	Correct	12 ms	47192 KB	Output is correct
9	Correct	13 ms	47196 KB	Output is correct
10	Correct	13 ms	47196 KB	Output is correct
11	Correct	13 ms	47428 KB	Output is correct
12	Correct	13 ms	47196 KB	Output is correct
13	Correct	13 ms	47316 KB	Output is correct
14	Correct	14 ms	47448 KB	Output is correct
15	Correct	13 ms	47448 KB	Output is correct
16	Correct	13 ms	47196 KB	Output is correct
17	Correct	13 ms	47376 KB	Output is correct
18	Correct	13 ms	47452 KB	Output is correct
19	Correct	13 ms	47196 KB	Output is correct
20	Correct	13 ms	47196 KB	Output is correct
21	Correct	13 ms	47452 KB	Output is correct
22	Correct	13 ms	47452 KB	Output is correct
23	Correct	13 ms	47452 KB	Output is correct
24	Correct	14 ms	47588 KB	Output is correct
25	Correct	14 ms	47452 KB	Output is correct
26	Correct	13 ms	47196 KB	Output is correct
27	Correct	13 ms	47372 KB	Output is correct
28	Correct	15 ms	47708 KB	Output is correct
29	Correct	16 ms	47448 KB	Output is correct
30	Correct	13 ms	47196 KB	Output is correct
31	Correct	14 ms	47452 KB	Output is correct
32	Correct	13 ms	47452 KB	Output is correct
33	Correct	18 ms	52060 KB	Output is correct
34	Correct	18 ms	52056 KB	Output is correct
35	Correct	34 ms	52564 KB	Output is correct
36	Correct	15 ms	47708 KB	Output is correct
37	Correct	30 ms	56160 KB	Output is correct
38	Correct	37 ms	57428 KB	Output is correct
39	Correct	35 ms	57436 KB	Output is correct
40	Correct	36 ms	57320 KB	Output is correct
41	Correct	36 ms	57424 KB	Output is correct
42	Correct	20 ms	47560 KB	Output is correct
43	Correct	16 ms	47452 KB	Output is correct
44	Correct	16 ms	47552 KB	Output is correct
45	Correct	54 ms	69136 KB	Output is correct
46	Correct	55 ms	68912 KB	Output is correct
47	Correct	81 ms	77648 KB	Output is correct
48	Correct	29 ms	56660 KB	Output is correct
49	Correct	26 ms	56412 KB	Output is correct
50	Correct	22 ms	55744 KB	Output is correct
51	Correct	45 ms	62044 KB	Output is correct
52	Correct	54 ms	64340 KB	Output is correct
53	Correct	34 ms	53072 KB	Output is correct
54	Correct	13 ms	47196 KB	Output is correct
55	Correct	13 ms	47448 KB	Output is correct
56	Correct	18 ms	47708 KB	Output is correct
57	Correct	32 ms	63496 KB	Output is correct
58	Correct	17 ms	49756 KB	Output is correct
59	Correct	19 ms	51804 KB	Output is correct
60	Correct	20 ms	54108 KB	Output is correct
61	Correct	27 ms	52536 KB	Output is correct
62	Correct	45 ms	70996 KB	Output is correct
63	Correct	205 ms	139696 KB	Output is correct
64	Correct	189 ms	160080 KB	Output is correct
65	Incorrect	112 ms	183348 KB	Output isn't correct
66	Halted	0 ms	0 KB	-

Submission #969794

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