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Submission #969804

# Submission time Handle Problem Language Result Execution time Memory
969804 2024-04-25T15:49:19 Z pcc Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 262144 KB 
#include <bits/stdc++.h>
using namespace std;

#pragma GCC target("avx2,popcnt,sse4")
#pragma GCC optimize("O3,unroll-loops")
#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 13 ms 67416 KB Output is correct
2 Correct 10 ms 67420 KB Output is correct
3 Correct 9 ms 67420 KB Output is correct
4 Correct 9 ms 67520 KB Output is correct
5 Correct 11 ms 67420 KB Output is correct
6 Correct 9 ms 67568 KB Output is correct
7 Correct 9 ms 67608 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 67416 KB Output is correct
2 Correct 9 ms 67420 KB Output is correct
3 Correct 9 ms 67420 KB Output is correct
4 Correct 9 ms 67420 KB Output is correct
5 Correct 9 ms 67420 KB Output is correct
6 Correct 9 ms 67420 KB Output is correct
7 Correct 9 ms 67420 KB Output is correct
8 Correct 9 ms 67420 KB Output is correct
9 Correct 9 ms 67416 KB Output is correct
10 Correct 10 ms 67676 KB Output is correct
11 Correct 10 ms 67676 KB Output is correct
12 Correct 9 ms 67504 KB Output is correct
13 Correct 12 ms 67672 KB Output is correct
14 Correct 11 ms 67676 KB Output is correct
15 Correct 10 ms 67776 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 67544 KB Output is correct
2 Correct 9 ms 67420 KB Output is correct
3 Correct 9 ms 67420 KB Output is correct
4 Correct 9 ms 67480 KB Output is correct
5 Correct 9 ms 67420 KB Output is correct
6 Correct 10 ms 67476 KB Output is correct
7 Correct 10 ms 67416 KB Output is correct
8 Correct 9 ms 67416 KB Output is correct
9 Correct 9 ms 67416 KB Output is correct
10 Correct 9 ms 67672 KB Output is correct
11 Correct 10 ms 67676 KB Output is correct
12 Correct 9 ms 67672 KB Output is correct
13 Correct 9 ms 67676 KB Output is correct
14 Correct 11 ms 67932 KB Output is correct
15 Correct 10 ms 67676 KB Output is correct
16 Correct 11 ms 67676 KB Output is correct
17 Correct 11 ms 67764 KB Output is correct
18 Correct 9 ms 67676 KB Output is correct
19 Correct 9 ms 67632 KB Output is correct
20 Correct 9 ms 67676 KB Output is correct
21 Correct 10 ms 67676 KB Output is correct
22 Correct 10 ms 67676 KB Output is correct
23 Correct 10 ms 67748 KB Output is correct
24 Correct 11 ms 67932 KB Output is correct
25 Correct 11 ms 67844 KB Output is correct
26 Correct 9 ms 67588 KB Output is correct
27 Correct 9 ms 67676 KB Output is correct
28 Correct 11 ms 67820 KB Output is correct
29 Correct 12 ms 69976 KB Output is correct
30 Correct 10 ms 67676 KB Output is correct
31 Correct 11 ms 69724 KB Output is correct
32 Correct 10 ms 67676 KB Output is correct
33 Correct 15 ms 72284 KB Output is correct
34 Correct 14 ms 72284 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 67416 KB Output is correct
2 Correct 9 ms 67420 KB Output is correct
3 Correct 9 ms 67532 KB Output is correct
4 Correct 9 ms 67420 KB Output is correct
5 Correct 9 ms 67504 KB Output is correct
6 Correct 12 ms 67420 KB Output is correct
7 Correct 11 ms 67416 KB Output is correct
8 Correct 9 ms 67416 KB Output is correct
9 Correct 9 ms 67416 KB Output is correct
10 Correct 10 ms 67676 KB Output is correct
11 Correct 10 ms 67676 KB Output is correct
12 Correct 9 ms 67540 KB Output is correct
13 Correct 9 ms 67676 KB Output is correct
14 Correct 10 ms 67764 KB Output is correct
15 Correct 10 ms 67676 KB Output is correct
16 Correct 11 ms 67676 KB Output is correct
17 Correct 10 ms 67832 KB Output is correct
18 Correct 10 ms 67644 KB Output is correct
19 Correct 9 ms 67632 KB Output is correct
20 Correct 10 ms 67672 KB Output is correct
21 Correct 9 ms 67676 KB Output is correct
22 Correct 10 ms 67672 KB Output is correct
23 Correct 10 ms 67676 KB Output is correct
24 Correct 10 ms 67784 KB Output is correct
25 Correct 10 ms 67672 KB Output is correct
26 Correct 9 ms 67676 KB Output is correct
27 Correct 10 ms 67624 KB Output is correct
28 Correct 10 ms 67840 KB Output is correct
29 Correct 12 ms 69976 KB Output is correct
30 Correct 10 ms 67676 KB Output is correct
31 Correct 10 ms 69724 KB Output is correct
32 Correct 10 ms 67676 KB Output is correct
33 Correct 14 ms 72284 KB Output is correct
34 Correct 15 ms 72284 KB Output is correct
35 Correct 27 ms 74844 KB Output is correct
36 Correct 12 ms 68188 KB Output is correct
37 Correct 27 ms 74588 KB Output is correct
38 Correct 32 ms 75792 KB Output is correct
39 Correct 32 ms 75736 KB Output is correct
40 Correct 32 ms 75612 KB Output is correct
41 Correct 33 ms 75860 KB Output is correct
42 Correct 13 ms 67932 KB Output is correct
43 Correct 12 ms 67872 KB Output is correct
44 Correct 13 ms 67808 KB Output is correct
45 Correct 47 ms 87400 KB Output is correct
46 Correct 45 ms 87376 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 67420 KB Output is correct
2 Correct 9 ms 67488 KB Output is correct
3 Correct 11 ms 67512 KB Output is correct
4 Correct 9 ms 67416 KB Output is correct
5 Correct 10 ms 67420 KB Output is correct
6 Correct 9 ms 67508 KB Output is correct
7 Correct 9 ms 67420 KB Output is correct
8 Correct 9 ms 67480 KB Output is correct
9 Correct 9 ms 67676 KB Output is correct
10 Correct 9 ms 67540 KB Output is correct
11 Correct 10 ms 67676 KB Output is correct
12 Correct 10 ms 67580 KB Output is correct
13 Correct 9 ms 67676 KB Output is correct
14 Correct 11 ms 67784 KB Output is correct
15 Correct 10 ms 67776 KB Output is correct
16 Correct 10 ms 67676 KB Output is correct
17 Correct 11 ms 67932 KB Output is correct
18 Correct 10 ms 67676 KB Output is correct
19 Correct 10 ms 67672 KB Output is correct
20 Correct 9 ms 67676 KB Output is correct
21 Correct 11 ms 67676 KB Output is correct
22 Correct 9 ms 67676 KB Output is correct
23 Correct 10 ms 67676 KB Output is correct
24 Correct 11 ms 67824 KB Output is correct
25 Correct 10 ms 67676 KB Output is correct
26 Correct 10 ms 67676 KB Output is correct
27 Correct 10 ms 67676 KB Output is correct
28 Correct 11 ms 67932 KB Output is correct
29 Correct 11 ms 69980 KB Output is correct
30 Correct 10 ms 67628 KB Output is correct
31 Correct 11 ms 69724 KB Output is correct
32 Correct 10 ms 67676 KB Output is correct
33 Correct 16 ms 72476 KB Output is correct
34 Correct 14 ms 72284 KB Output is correct
35 Correct 28 ms 74836 KB Output is correct
36 Correct 12 ms 68188 KB Output is correct
37 Correct 26 ms 74588 KB Output is correct
38 Correct 34 ms 75724 KB Output is correct
39 Correct 32 ms 75612 KB Output is correct
40 Correct 32 ms 75784 KB Output is correct
41 Correct 31 ms 75744 KB Output is correct
42 Correct 14 ms 67928 KB Output is correct
43 Correct 12 ms 67932 KB Output is correct
44 Correct 12 ms 67796 KB Output is correct
45 Correct 47 ms 87388 KB Output is correct
46 Correct 48 ms 87432 KB Output is correct
47 Correct 60 ms 94032 KB Output is correct
48 Correct 24 ms 77144 KB Output is correct
49 Correct 22 ms 74588 KB Output is correct
50 Correct 19 ms 73820 KB Output is correct
51 Correct 41 ms 80468 KB Output is correct
52 Correct 41 ms 80476 KB Output is correct
53 Correct 31 ms 75356 KB Output is correct
54 Correct 10 ms 69920 KB Output is correct
55 Correct 10 ms 69724 KB Output is correct
56 Correct 14 ms 69976 KB Output is correct
57 Correct 28 ms 83804 KB Output is correct
58 Correct 14 ms 72164 KB Output is correct
59 Correct 16 ms 72212 KB Output is correct
60 Correct 17 ms 72536 KB Output is correct
61 Correct 16 ms 72792 KB Output is correct
62 Correct 41 ms 87300 KB Output is correct
63 Correct 155 ms 139520 KB Output is correct
64 Correct 165 ms 155976 KB Output is correct
65 Correct 339 ms 193556 KB Output is correct
66 Execution timed out 2355 ms 262144 KB Time limit exceeded
67 Halted 0 ms 0 KB -