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Submission #969831

# Submission time Handle Problem Language Result Execution time Memory
969831 2024-04-25T16:14:08 Z pcc Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 239 ms 262148 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<short,short>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>

const int inf = 1e9+10;
const int mxn = 3e4+10;
const int mxe = mxn*sqrt(mxn)*2.5;
const int mxv = mxn*sqrt(mxn)*2.1;

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

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

bitset<mxv> done;
deque<int> dq;

void BFS(){
	dq.resize(mxv*2);
	fill(dist,dist+mxv,inf);
	dist[S] = 0;
	dq.push_back(S);
	while(!dq.empty()){
		int now = dq.front();
		dq.pop_front();
		if(done[now])continue;
		done[now] = true;
		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(nxt);
				}
			}
			else{
				if(dist[nxt]>dist[now]+w){
					dist[nxt] = dist[now]+w;
					dq.push_back(nxt);
				}
			}
		}
	}
	return;
}

int main(){
	ts = clock();
	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 81 ms 137720 KB Output is correct
2 Correct 81 ms 137920 KB Output is correct
3 Correct 81 ms 137812 KB Output is correct
4 Correct 81 ms 137920 KB Output is correct
5 Correct 77 ms 137812 KB Output is correct
6 Correct 80 ms 137920 KB Output is correct
7 Correct 94 ms 137920 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 137916 KB Output is correct
2 Correct 77 ms 137852 KB Output is correct
3 Correct 79 ms 137928 KB Output is correct
4 Correct 78 ms 137700 KB Output is correct
5 Correct 102 ms 137812 KB Output is correct
6 Correct 84 ms 137924 KB Output is correct
7 Correct 77 ms 137920 KB Output is correct
8 Correct 80 ms 137872 KB Output is correct
9 Correct 79 ms 137832 KB Output is correct
10 Correct 79 ms 137808 KB Output is correct
11 Correct 80 ms 138064 KB Output is correct
12 Correct 78 ms 137932 KB Output is correct
13 Correct 77 ms 137932 KB Output is correct
14 Correct 80 ms 138064 KB Output is correct
15 Correct 84 ms 138068 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 137812 KB Output is correct
2 Correct 77 ms 137808 KB Output is correct
3 Correct 78 ms 137832 KB Output is correct
4 Correct 77 ms 137808 KB Output is correct
5 Correct 83 ms 137904 KB Output is correct
6 Correct 94 ms 137808 KB Output is correct
7 Correct 78 ms 137808 KB Output is correct
8 Correct 78 ms 137916 KB Output is correct
9 Correct 76 ms 137812 KB Output is correct
10 Correct 78 ms 137808 KB Output is correct
11 Correct 78 ms 138064 KB Output is correct
12 Correct 78 ms 137812 KB Output is correct
13 Correct 80 ms 137808 KB Output is correct
14 Correct 86 ms 137912 KB Output is correct
15 Correct 79 ms 138064 KB Output is correct
16 Correct 76 ms 138020 KB Output is correct
17 Correct 81 ms 138068 KB Output is correct
18 Correct 77 ms 137972 KB Output is correct
19 Correct 77 ms 137808 KB Output is correct
20 Correct 80 ms 137808 KB Output is correct
21 Correct 78 ms 137812 KB Output is correct
22 Correct 76 ms 138028 KB Output is correct
23 Correct 90 ms 138172 KB Output is correct
24 Correct 79 ms 138068 KB Output is correct
25 Correct 82 ms 138068 KB Output is correct
26 Correct 77 ms 137872 KB Output is correct
27 Correct 79 ms 137808 KB Output is correct
28 Correct 85 ms 138324 KB Output is correct
29 Correct 80 ms 142160 KB Output is correct
30 Correct 82 ms 137808 KB Output is correct
31 Correct 78 ms 140116 KB Output is correct
32 Correct 77 ms 138068 KB Output is correct
33 Correct 91 ms 142928 KB Output is correct
34 Correct 82 ms 142676 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 137808 KB Output is correct
2 Correct 78 ms 137812 KB Output is correct
3 Correct 80 ms 137812 KB Output is correct
4 Correct 78 ms 137812 KB Output is correct
5 Correct 78 ms 137820 KB Output is correct
6 Correct 78 ms 137812 KB Output is correct
7 Correct 82 ms 137808 KB Output is correct
8 Correct 77 ms 137812 KB Output is correct
9 Correct 85 ms 137808 KB Output is correct
10 Correct 83 ms 137872 KB Output is correct
11 Correct 82 ms 137988 KB Output is correct
12 Correct 77 ms 137840 KB Output is correct
13 Correct 81 ms 138228 KB Output is correct
14 Correct 77 ms 138068 KB Output is correct
15 Correct 79 ms 138068 KB Output is correct
16 Correct 78 ms 137812 KB Output is correct
17 Correct 87 ms 138316 KB Output is correct
18 Correct 107 ms 138064 KB Output is correct
19 Correct 78 ms 137812 KB Output is correct
20 Correct 77 ms 137812 KB Output is correct
21 Correct 80 ms 138056 KB Output is correct
22 Correct 82 ms 137912 KB Output is correct
23 Correct 79 ms 138060 KB Output is correct
24 Correct 79 ms 138068 KB Output is correct
25 Correct 78 ms 138068 KB Output is correct
26 Correct 78 ms 137984 KB Output is correct
27 Correct 78 ms 137808 KB Output is correct
28 Correct 79 ms 138068 KB Output is correct
29 Correct 81 ms 142236 KB Output is correct
30 Correct 77 ms 137912 KB Output is correct
31 Correct 82 ms 140112 KB Output is correct
32 Correct 79 ms 137812 KB Output is correct
33 Correct 82 ms 142676 KB Output is correct
34 Correct 81 ms 142676 KB Output is correct
35 Correct 94 ms 145092 KB Output is correct
36 Correct 81 ms 138404 KB Output is correct
37 Correct 94 ms 144616 KB Output is correct
38 Correct 99 ms 145720 KB Output is correct
39 Correct 100 ms 145788 KB Output is correct
40 Correct 100 ms 145748 KB Output is correct
41 Correct 114 ms 145652 KB Output is correct
42 Correct 87 ms 138068 KB Output is correct
43 Correct 83 ms 138000 KB Output is correct
44 Correct 81 ms 137956 KB Output is correct
45 Correct 114 ms 155472 KB Output is correct
46 Correct 115 ms 155220 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 137812 KB Output is correct
2 Correct 77 ms 137824 KB Output is correct
3 Correct 79 ms 137812 KB Output is correct
4 Correct 76 ms 137924 KB Output is correct
5 Correct 78 ms 137924 KB Output is correct
6 Correct 78 ms 137804 KB Output is correct
7 Correct 84 ms 138040 KB Output is correct
8 Correct 78 ms 137812 KB Output is correct
9 Correct 77 ms 137808 KB Output is correct
10 Correct 78 ms 137876 KB Output is correct
11 Correct 79 ms 137972 KB Output is correct
12 Correct 81 ms 137940 KB Output is correct
13 Correct 77 ms 137828 KB Output is correct
14 Correct 79 ms 137968 KB Output is correct
15 Correct 78 ms 138068 KB Output is correct
16 Correct 79 ms 137900 KB Output is correct
17 Correct 80 ms 138168 KB Output is correct
18 Correct 79 ms 138068 KB Output is correct
19 Correct 79 ms 137916 KB Output is correct
20 Correct 78 ms 137832 KB Output is correct
21 Correct 78 ms 138052 KB Output is correct
22 Correct 84 ms 137928 KB Output is correct
23 Correct 82 ms 137812 KB Output is correct
24 Correct 80 ms 138068 KB Output is correct
25 Correct 81 ms 138196 KB Output is correct
26 Correct 79 ms 137900 KB Output is correct
27 Correct 81 ms 137772 KB Output is correct
28 Correct 79 ms 138240 KB Output is correct
29 Correct 81 ms 142164 KB Output is correct
30 Correct 83 ms 137808 KB Output is correct
31 Correct 84 ms 140444 KB Output is correct
32 Correct 80 ms 138068 KB Output is correct
33 Correct 83 ms 142680 KB Output is correct
34 Correct 84 ms 142684 KB Output is correct
35 Correct 94 ms 145004 KB Output is correct
36 Correct 83 ms 138504 KB Output is correct
37 Correct 93 ms 144720 KB Output is correct
38 Correct 100 ms 145744 KB Output is correct
39 Correct 102 ms 145876 KB Output is correct
40 Correct 108 ms 146000 KB Output is correct
41 Correct 101 ms 145716 KB Output is correct
42 Correct 82 ms 138092 KB Output is correct
43 Correct 80 ms 138000 KB Output is correct
44 Correct 87 ms 138184 KB Output is correct
45 Correct 119 ms 155240 KB Output is correct
46 Correct 116 ms 155216 KB Output is correct
47 Correct 128 ms 161872 KB Output is correct
48 Correct 95 ms 147788 KB Output is correct
49 Correct 92 ms 145012 KB Output is correct
50 Correct 90 ms 144208 KB Output is correct
51 Correct 112 ms 150612 KB Output is correct
52 Correct 122 ms 150772 KB Output is correct
53 Correct 100 ms 145568 KB Output is correct
54 Correct 80 ms 140100 KB Output is correct
55 Correct 79 ms 140116 KB Output is correct
56 Correct 84 ms 140344 KB Output is correct
57 Correct 96 ms 151984 KB Output is correct
58 Correct 82 ms 142416 KB Output is correct
59 Correct 84 ms 142456 KB Output is correct
60 Correct 85 ms 142708 KB Output is correct
61 Correct 91 ms 143040 KB Output is correct
62 Correct 116 ms 155476 KB Output is correct
63 Correct 208 ms 203604 KB Output is correct
64 Correct 239 ms 217940 KB Output is correct
65 Runtime error 230 ms 262148 KB Execution killed with signal 9
66 Halted 0 ms 0 KB -