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Submission #969806

# Submission time Handle Problem Language Result Execution time Memory
969806 2024-04-25T15:49:44 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();
		if(now == T)break;
		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 9 ms 67416 KB Output is correct
2 Correct 9 ms 67488 KB Output is correct
3 Correct 10 ms 67420 KB Output is correct
4 Correct 9 ms 67420 KB Output is correct
5 Correct 9 ms 67548 KB Output is correct
6 Correct 9 ms 67420 KB Output is correct
7 Correct 9 ms 67420 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 67420 KB Output is correct
2 Correct 9 ms 67416 KB Output is correct
3 Correct 9 ms 67420 KB Output is correct
4 Correct 9 ms 67476 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 67420 KB Output is correct
10 Correct 9 ms 67676 KB Output is correct
11 Correct 10 ms 67712 KB Output is correct
12 Correct 9 ms 67676 KB Output is correct
13 Correct 9 ms 67676 KB Output is correct
14 Correct 10 ms 68184 KB Output is correct
15 Correct 10 ms 67672 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 67420 KB Output is correct
2 Correct 9 ms 67420 KB Output is correct
3 Correct 9 ms 67420 KB Output is correct
4 Correct 10 ms 67416 KB Output is correct
5 Correct 9 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 67420 KB Output is correct
9 Correct 9 ms 67556 KB Output is correct
10 Correct 9 ms 67672 KB Output is correct
11 Correct 10 ms 67720 KB Output is correct
12 Correct 9 ms 67672 KB Output is correct
13 Correct 9 ms 67520 KB Output is correct
14 Correct 10 ms 67756 KB Output is correct
15 Correct 10 ms 68184 KB Output is correct
16 Correct 10 ms 67676 KB Output is correct
17 Correct 10 ms 67676 KB Output is correct
18 Correct 10 ms 67676 KB Output is correct
19 Correct 9 ms 67672 KB Output is correct
20 Correct 11 ms 67676 KB Output is correct
21 Correct 10 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 10 ms 67932 KB Output is correct
25 Correct 10 ms 67676 KB Output is correct
26 Correct 10 ms 67676 KB Output is correct
27 Correct 9 ms 67676 KB Output is correct
28 Correct 11 ms 67932 KB Output is correct
29 Correct 12 ms 69980 KB Output is correct
30 Correct 10 ms 67580 KB Output is correct
31 Correct 11 ms 69808 KB Output is correct
32 Correct 10 ms 67700 KB Output is correct
33 Correct 14 ms 72284 KB Output is correct
34 Correct 12 ms 72284 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 67548 KB Output is correct
2 Correct 10 ms 67420 KB Output is correct
3 Correct 9 ms 67528 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 67416 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 67420 KB Output is correct
10 Correct 9 ms 67676 KB Output is correct
11 Correct 10 ms 67716 KB Output is correct
12 Correct 9 ms 67672 KB Output is correct
13 Correct 9 ms 67676 KB Output is correct
14 Correct 10 ms 67676 KB Output is correct
15 Correct 10 ms 67932 KB Output is correct
16 Correct 9 ms 67676 KB Output is correct
17 Correct 11 ms 67676 KB Output is correct
18 Correct 10 ms 67676 KB Output is correct
19 Correct 9 ms 67676 KB Output is correct
20 Correct 9 ms 67548 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 67676 KB Output is correct
24 Correct 10 ms 67932 KB Output is correct
25 Correct 10 ms 67932 KB Output is correct
26 Correct 10 ms 67672 KB Output is correct
27 Correct 9 ms 67676 KB Output is correct
28 Correct 10 ms 67772 KB Output is correct
29 Correct 12 ms 69980 KB Output is correct
30 Correct 11 ms 67644 KB Output is correct
31 Correct 11 ms 69784 KB Output is correct
32 Correct 11 ms 68084 KB Output is correct
33 Correct 14 ms 72284 KB Output is correct
34 Correct 13 ms 72284 KB Output is correct
35 Correct 25 ms 74992 KB Output is correct
36 Correct 11 ms 68188 KB Output is correct
37 Correct 22 ms 74584 KB Output is correct
38 Correct 28 ms 75612 KB Output is correct
39 Correct 26 ms 75360 KB Output is correct
40 Correct 27 ms 75556 KB Output is correct
41 Correct 27 ms 75448 KB Output is correct
42 Correct 13 ms 67932 KB Output is correct
43 Correct 13 ms 67932 KB Output is correct
44 Correct 12 ms 67780 KB Output is correct
45 Correct 45 ms 87568 KB Output is correct
46 Correct 42 ms 87408 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 67420 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 67652 KB Output is correct
6 Correct 10 ms 67420 KB Output is correct
7 Correct 9 ms 67420 KB Output is correct
8 Correct 9 ms 67672 KB Output is correct
9 Correct 9 ms 67540 KB Output is correct
10 Correct 10 ms 67676 KB Output is correct
11 Correct 10 ms 67756 KB Output is correct
12 Correct 9 ms 67676 KB Output is correct
13 Correct 10 ms 67676 KB Output is correct
14 Correct 10 ms 67672 KB Output is correct
15 Correct 10 ms 67672 KB Output is correct
16 Correct 10 ms 67676 KB Output is correct
17 Correct 10 ms 67672 KB Output is correct
18 Correct 11 ms 67672 KB Output is correct
19 Correct 10 ms 67676 KB Output is correct
20 Correct 10 ms 67592 KB Output is correct
21 Correct 9 ms 67676 KB Output is correct
22 Correct 9 ms 67676 KB Output is correct
23 Correct 10 ms 67672 KB Output is correct
24 Correct 10 ms 67928 KB Output is correct
25 Correct 10 ms 67676 KB Output is correct
26 Correct 9 ms 67676 KB Output is correct
27 Correct 11 ms 67676 KB Output is correct
28 Correct 11 ms 67932 KB Output is correct
29 Correct 12 ms 69980 KB Output is correct
30 Correct 10 ms 67652 KB Output is correct
31 Correct 11 ms 69736 KB Output is correct
32 Correct 10 ms 67676 KB Output is correct
33 Correct 16 ms 72280 KB Output is correct
34 Correct 13 ms 72480 KB Output is correct
35 Correct 24 ms 74844 KB Output is correct
36 Correct 11 ms 68188 KB Output is correct
37 Correct 22 ms 74372 KB Output is correct
38 Correct 28 ms 75604 KB Output is correct
39 Correct 27 ms 75612 KB Output is correct
40 Correct 26 ms 75604 KB Output is correct
41 Correct 31 ms 75604 KB Output is correct
42 Correct 12 ms 67860 KB Output is correct
43 Correct 13 ms 67932 KB Output is correct
44 Correct 13 ms 67772 KB Output is correct
45 Correct 47 ms 87388 KB Output is correct
46 Correct 42 ms 87376 KB Output is correct
47 Correct 31 ms 93776 KB Output is correct
48 Correct 23 ms 77148 KB Output is correct
49 Correct 22 ms 74632 KB Output is correct
50 Correct 18 ms 73820 KB Output is correct
51 Correct 32 ms 80476 KB Output is correct
52 Correct 33 ms 80468 KB Output is correct
53 Correct 27 ms 75356 KB Output is correct
54 Correct 10 ms 69724 KB Output is correct
55 Correct 10 ms 69724 KB Output is correct
56 Correct 14 ms 69980 KB Output is correct
57 Correct 15 ms 83804 KB Output is correct
58 Correct 13 ms 72280 KB Output is correct
59 Correct 14 ms 72280 KB Output is correct
60 Correct 14 ms 72540 KB Output is correct
61 Correct 15 ms 72764 KB Output is correct
62 Correct 38 ms 87200 KB Output is correct
63 Correct 141 ms 139348 KB Output is correct
64 Correct 172 ms 155912 KB Output is correct
65 Correct 318 ms 193860 KB Output is correct
66 Execution timed out 2353 ms 262144 KB Time limit exceeded
67 Halted 0 ms 0 KB -