답안 #969794

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
969794 2024-04-25T15:42:15 Z pcc Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
205 ms 183348 KB
#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;
}
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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 -