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Submission #969796

# Submission time Handle Problem Language Result Execution time Memory
969796 2024-04-25T15:44:16 Z pcc Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 262144 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)*3;
const int mxv = mxe;

map<pii,vector<int>> mp;
int N,M;
int ecnt,vcnt;
int to[mxe],nid[mxe];
bool 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 17 ms 67420 KB Output is correct
2 Correct 13 ms 67672 KB Output is correct
3 Correct 13 ms 67416 KB Output is correct
4 Correct 13 ms 67420 KB Output is correct
5 Correct 16 ms 67420 KB Output is correct
6 Correct 15 ms 67676 KB Output is correct
7 Correct 13 ms 67420 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 67416 KB Output is correct
2 Correct 13 ms 67420 KB Output is correct
3 Correct 13 ms 67420 KB Output is correct
4 Correct 13 ms 67416 KB Output is correct
5 Correct 13 ms 67576 KB Output is correct
6 Correct 13 ms 67420 KB Output is correct
7 Correct 13 ms 67536 KB Output is correct
8 Correct 12 ms 67420 KB Output is correct
9 Correct 13 ms 67528 KB Output is correct
10 Correct 13 ms 67708 KB Output is correct
11 Correct 17 ms 67740 KB Output is correct
12 Correct 13 ms 67596 KB Output is correct
13 Correct 13 ms 67672 KB Output is correct
14 Correct 14 ms 67932 KB Output is correct
15 Correct 14 ms 67676 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 67504 KB Output is correct
2 Correct 13 ms 67416 KB Output is correct
3 Correct 13 ms 67416 KB Output is correct
4 Correct 13 ms 67420 KB Output is correct
5 Correct 13 ms 67420 KB Output is correct
6 Correct 13 ms 67420 KB Output is correct
7 Correct 13 ms 67500 KB Output is correct
8 Correct 13 ms 67672 KB Output is correct
9 Correct 13 ms 67420 KB Output is correct
10 Correct 13 ms 67676 KB Output is correct
11 Correct 16 ms 67676 KB Output is correct
12 Correct 13 ms 67672 KB Output is correct
13 Correct 13 ms 67672 KB Output is correct
14 Correct 14 ms 67932 KB Output is correct
15 Correct 14 ms 67764 KB Output is correct
16 Correct 14 ms 67884 KB Output is correct
17 Correct 14 ms 67780 KB Output is correct
18 Correct 13 ms 67676 KB Output is correct
19 Correct 13 ms 67676 KB Output is correct
20 Correct 13 ms 67676 KB Output is correct
21 Correct 14 ms 67676 KB Output is correct
22 Correct 13 ms 67676 KB Output is correct
23 Correct 13 ms 67592 KB Output is correct
24 Correct 14 ms 67932 KB Output is correct
25 Correct 14 ms 67676 KB Output is correct
26 Correct 16 ms 67676 KB Output is correct
27 Correct 13 ms 67640 KB Output is correct
28 Correct 15 ms 67880 KB Output is correct
29 Correct 15 ms 69976 KB Output is correct
30 Correct 13 ms 67668 KB Output is correct
31 Correct 14 ms 69796 KB Output is correct
32 Correct 14 ms 67672 KB Output is correct
33 Correct 19 ms 72284 KB Output is correct
34 Correct 18 ms 72284 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 67560 KB Output is correct
2 Correct 14 ms 67420 KB Output is correct
3 Correct 13 ms 67552 KB Output is correct
4 Correct 13 ms 67420 KB Output is correct
5 Correct 13 ms 67420 KB Output is correct
6 Correct 13 ms 67420 KB Output is correct
7 Correct 13 ms 67420 KB Output is correct
8 Correct 13 ms 67420 KB Output is correct
9 Correct 13 ms 67420 KB Output is correct
10 Correct 13 ms 67704 KB Output is correct
11 Correct 16 ms 67676 KB Output is correct
12 Correct 13 ms 67672 KB Output is correct
13 Correct 13 ms 67676 KB Output is correct
14 Correct 13 ms 67676 KB Output is correct
15 Correct 14 ms 67932 KB Output is correct
16 Correct 13 ms 67676 KB Output is correct
17 Correct 16 ms 67932 KB Output is correct
18 Correct 14 ms 67652 KB Output is correct
19 Correct 14 ms 67676 KB Output is correct
20 Correct 13 ms 67672 KB Output is correct
21 Correct 13 ms 67928 KB Output is correct
22 Correct 13 ms 67676 KB Output is correct
23 Correct 14 ms 67804 KB Output is correct
24 Correct 14 ms 67932 KB Output is correct
25 Correct 14 ms 67672 KB Output is correct
26 Correct 13 ms 67676 KB Output is correct
27 Correct 14 ms 67672 KB Output is correct
28 Correct 14 ms 67932 KB Output is correct
29 Correct 15 ms 69980 KB Output is correct
30 Correct 13 ms 67616 KB Output is correct
31 Correct 17 ms 69720 KB Output is correct
32 Correct 14 ms 67704 KB Output is correct
33 Correct 18 ms 72284 KB Output is correct
34 Correct 20 ms 72284 KB Output is correct
35 Correct 31 ms 74836 KB Output is correct
36 Correct 16 ms 68164 KB Output is correct
37 Correct 32 ms 74588 KB Output is correct
38 Correct 36 ms 75612 KB Output is correct
39 Correct 35 ms 75812 KB Output is correct
40 Correct 38 ms 75724 KB Output is correct
41 Correct 36 ms 75740 KB Output is correct
42 Correct 16 ms 67932 KB Output is correct
43 Correct 16 ms 67932 KB Output is correct
44 Correct 17 ms 67932 KB Output is correct
45 Correct 51 ms 87388 KB Output is correct
46 Correct 62 ms 87428 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 67420 KB Output is correct
2 Correct 13 ms 67420 KB Output is correct
3 Correct 13 ms 67420 KB Output is correct
4 Correct 12 ms 67572 KB Output is correct
5 Correct 13 ms 67420 KB Output is correct
6 Correct 13 ms 67536 KB Output is correct
7 Correct 13 ms 67420 KB Output is correct
8 Correct 13 ms 67420 KB Output is correct
9 Correct 13 ms 67676 KB Output is correct
10 Correct 13 ms 67676 KB Output is correct
11 Correct 14 ms 67676 KB Output is correct
12 Correct 15 ms 67532 KB Output is correct
13 Correct 13 ms 67676 KB Output is correct
14 Correct 14 ms 67928 KB Output is correct
15 Correct 14 ms 67760 KB Output is correct
16 Correct 14 ms 67676 KB Output is correct
17 Correct 14 ms 67676 KB Output is correct
18 Correct 14 ms 67676 KB Output is correct
19 Correct 13 ms 67648 KB Output is correct
20 Correct 13 ms 67676 KB Output is correct
21 Correct 13 ms 67696 KB Output is correct
22 Correct 13 ms 67676 KB Output is correct
23 Correct 13 ms 67676 KB Output is correct
24 Correct 14 ms 67832 KB Output is correct
25 Correct 14 ms 67672 KB Output is correct
26 Correct 14 ms 67676 KB Output is correct
27 Correct 13 ms 67672 KB Output is correct
28 Correct 14 ms 67932 KB Output is correct
29 Correct 18 ms 69980 KB Output is correct
30 Correct 13 ms 67664 KB Output is correct
31 Correct 15 ms 69724 KB Output is correct
32 Correct 15 ms 67676 KB Output is correct
33 Correct 18 ms 72480 KB Output is correct
34 Correct 19 ms 72284 KB Output is correct
35 Correct 30 ms 74832 KB Output is correct
36 Correct 16 ms 68132 KB Output is correct
37 Correct 31 ms 74588 KB Output is correct
38 Correct 35 ms 75604 KB Output is correct
39 Correct 39 ms 75604 KB Output is correct
40 Correct 35 ms 75612 KB Output is correct
41 Correct 38 ms 75860 KB Output is correct
42 Correct 16 ms 67932 KB Output is correct
43 Correct 16 ms 67932 KB Output is correct
44 Correct 16 ms 67756 KB Output is correct
45 Correct 50 ms 87436 KB Output is correct
46 Correct 52 ms 87376 KB Output is correct
47 Correct 71 ms 94040 KB Output is correct
48 Correct 28 ms 77140 KB Output is correct
49 Correct 26 ms 74588 KB Output is correct
50 Correct 22 ms 73872 KB Output is correct
51 Correct 44 ms 80328 KB Output is correct
52 Correct 51 ms 80476 KB Output is correct
53 Correct 33 ms 75348 KB Output is correct
54 Correct 17 ms 69716 KB Output is correct
55 Correct 14 ms 69720 KB Output is correct
56 Correct 18 ms 70116 KB Output is correct
57 Correct 31 ms 83784 KB Output is correct
58 Correct 18 ms 72164 KB Output is correct
59 Correct 23 ms 72272 KB Output is correct
60 Correct 20 ms 72640 KB Output is correct
61 Correct 20 ms 72780 KB Output is correct
62 Correct 46 ms 87120 KB Output is correct
63 Correct 152 ms 139688 KB Output is correct
64 Correct 173 ms 155728 KB Output is correct
65 Correct 334 ms 193620 KB Output is correct
66 Execution timed out 2391 ms 262144 KB Time limit exceeded
67 Halted 0 ms 0 KB -