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Submission #969826

# Submission time Handle Problem Language Result Execution time Memory
969826 2024-04-25T16:11:26 Z pcc Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 223 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+10;
const int mxn = 3e4+10;
const int mxe = mxn*sqrt(mxn)*3;
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 88 ms 137800 KB Output is correct
2 Correct 77 ms 137920 KB Output is correct
3 Correct 106 ms 137844 KB Output is correct
4 Correct 80 ms 137812 KB Output is correct
5 Correct 93 ms 137812 KB Output is correct
6 Correct 81 ms 137744 KB Output is correct
7 Correct 81 ms 137924 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 137808 KB Output is correct
2 Correct 78 ms 137872 KB Output is correct
3 Correct 78 ms 137852 KB Output is correct
4 Correct 82 ms 138128 KB Output is correct
5 Correct 79 ms 137708 KB Output is correct
6 Correct 83 ms 137812 KB Output is correct
7 Correct 79 ms 137808 KB Output is correct
8 Correct 78 ms 137808 KB Output is correct
9 Correct 81 ms 137812 KB Output is correct
10 Correct 85 ms 137812 KB Output is correct
11 Correct 78 ms 137996 KB Output is correct
12 Correct 92 ms 137812 KB Output is correct
13 Correct 85 ms 137808 KB Output is correct
14 Correct 81 ms 138068 KB Output is correct
15 Correct 78 ms 138064 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 137900 KB Output is correct
2 Correct 86 ms 137924 KB Output is correct
3 Correct 79 ms 137812 KB Output is correct
4 Correct 79 ms 137924 KB Output is correct
5 Correct 76 ms 137812 KB Output is correct
6 Correct 87 ms 137808 KB Output is correct
7 Correct 80 ms 137680 KB Output is correct
8 Correct 80 ms 137812 KB Output is correct
9 Correct 78 ms 137812 KB Output is correct
10 Correct 86 ms 137820 KB Output is correct
11 Correct 80 ms 138020 KB Output is correct
12 Correct 85 ms 137812 KB Output is correct
13 Correct 78 ms 137864 KB Output is correct
14 Correct 79 ms 138060 KB Output is correct
15 Correct 92 ms 138080 KB Output is correct
16 Correct 79 ms 137792 KB Output is correct
17 Correct 80 ms 137932 KB Output is correct
18 Correct 79 ms 138076 KB Output is correct
19 Correct 77 ms 137972 KB Output is correct
20 Correct 81 ms 137812 KB Output is correct
21 Correct 82 ms 137812 KB Output is correct
22 Correct 78 ms 138024 KB Output is correct
23 Correct 85 ms 138060 KB Output is correct
24 Correct 79 ms 137956 KB Output is correct
25 Correct 78 ms 138072 KB Output is correct
26 Correct 79 ms 137812 KB Output is correct
27 Correct 77 ms 137804 KB Output is correct
28 Correct 78 ms 138064 KB Output is correct
29 Correct 81 ms 140124 KB Output is correct
30 Correct 79 ms 137956 KB Output is correct
31 Correct 80 ms 140112 KB Output is correct
32 Correct 87 ms 137964 KB Output is correct
33 Correct 83 ms 142528 KB Output is correct
34 Correct 82 ms 142632 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 137808 KB Output is correct
2 Correct 78 ms 137924 KB Output is correct
3 Correct 78 ms 137812 KB Output is correct
4 Correct 85 ms 137808 KB Output is correct
5 Correct 91 ms 137808 KB Output is correct
6 Correct 78 ms 137720 KB Output is correct
7 Correct 81 ms 137808 KB Output is correct
8 Correct 80 ms 137812 KB Output is correct
9 Correct 78 ms 137808 KB Output is correct
10 Correct 78 ms 137808 KB Output is correct
11 Correct 81 ms 138064 KB Output is correct
12 Correct 87 ms 137840 KB Output is correct
13 Correct 78 ms 137812 KB Output is correct
14 Correct 96 ms 138104 KB Output is correct
15 Correct 95 ms 138072 KB Output is correct
16 Correct 86 ms 137960 KB Output is correct
17 Correct 80 ms 137960 KB Output is correct
18 Correct 79 ms 138064 KB Output is correct
19 Correct 77 ms 137912 KB Output is correct
20 Correct 80 ms 137760 KB Output is correct
21 Correct 93 ms 137808 KB Output is correct
22 Correct 78 ms 137808 KB Output is correct
23 Correct 78 ms 138000 KB Output is correct
24 Correct 87 ms 138072 KB Output is correct
25 Correct 79 ms 138056 KB Output is correct
26 Correct 86 ms 137800 KB Output is correct
27 Correct 77 ms 137888 KB Output is correct
28 Correct 78 ms 138132 KB Output is correct
29 Correct 80 ms 140116 KB Output is correct
30 Correct 78 ms 137896 KB Output is correct
31 Correct 81 ms 140116 KB Output is correct
32 Correct 80 ms 138064 KB Output is correct
33 Correct 82 ms 142672 KB Output is correct
34 Correct 84 ms 142616 KB Output is correct
35 Correct 100 ms 145048 KB Output is correct
36 Correct 80 ms 138412 KB Output is correct
37 Correct 100 ms 144720 KB Output is correct
38 Correct 102 ms 145748 KB Output is correct
39 Correct 104 ms 145768 KB Output is correct
40 Correct 111 ms 145856 KB Output is correct
41 Correct 101 ms 145744 KB Output is correct
42 Correct 82 ms 138064 KB Output is correct
43 Correct 81 ms 138064 KB Output is correct
44 Correct 86 ms 137808 KB Output is correct
45 Correct 117 ms 155472 KB Output is correct
46 Correct 114 ms 155308 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 137912 KB Output is correct
2 Correct 85 ms 137928 KB Output is correct
3 Correct 77 ms 137804 KB Output is correct
4 Correct 78 ms 137876 KB Output is correct
5 Correct 78 ms 137812 KB Output is correct
6 Correct 79 ms 137924 KB Output is correct
7 Correct 91 ms 137924 KB Output is correct
8 Correct 78 ms 137920 KB Output is correct
9 Correct 87 ms 137684 KB Output is correct
10 Correct 79 ms 137812 KB Output is correct
11 Correct 80 ms 138016 KB Output is correct
12 Correct 82 ms 138120 KB Output is correct
13 Correct 80 ms 137812 KB Output is correct
14 Correct 78 ms 138068 KB Output is correct
15 Correct 78 ms 138072 KB Output is correct
16 Correct 78 ms 137812 KB Output is correct
17 Correct 80 ms 138064 KB Output is correct
18 Correct 79 ms 137812 KB Output is correct
19 Correct 85 ms 137964 KB Output is correct
20 Correct 78 ms 137812 KB Output is correct
21 Correct 78 ms 137808 KB Output is correct
22 Correct 76 ms 137932 KB Output is correct
23 Correct 94 ms 138012 KB Output is correct
24 Correct 78 ms 138068 KB Output is correct
25 Correct 80 ms 138068 KB Output is correct
26 Correct 78 ms 137772 KB Output is correct
27 Correct 77 ms 137812 KB Output is correct
28 Correct 78 ms 138244 KB Output is correct
29 Correct 80 ms 140116 KB Output is correct
30 Correct 78 ms 138156 KB Output is correct
31 Correct 81 ms 140116 KB Output is correct
32 Correct 81 ms 138064 KB Output is correct
33 Correct 85 ms 142668 KB Output is correct
34 Correct 82 ms 142672 KB Output is correct
35 Correct 94 ms 145280 KB Output is correct
36 Correct 80 ms 138324 KB Output is correct
37 Correct 97 ms 144720 KB Output is correct
38 Correct 100 ms 145668 KB Output is correct
39 Correct 119 ms 146084 KB Output is correct
40 Correct 102 ms 145868 KB Output is correct
41 Correct 100 ms 145752 KB Output is correct
42 Correct 90 ms 137984 KB Output is correct
43 Correct 85 ms 138064 KB Output is correct
44 Correct 83 ms 138072 KB Output is correct
45 Correct 127 ms 155324 KB Output is correct
46 Correct 115 ms 155468 KB Output is correct
47 Correct 135 ms 162128 KB Output is correct
48 Correct 94 ms 147528 KB Output is correct
49 Correct 92 ms 144904 KB Output is correct
50 Correct 86 ms 144208 KB Output is correct
51 Correct 109 ms 150608 KB Output is correct
52 Correct 112 ms 150796 KB Output is correct
53 Correct 102 ms 145668 KB Output is correct
54 Correct 78 ms 140100 KB Output is correct
55 Correct 78 ms 140160 KB Output is correct
56 Correct 86 ms 140324 KB Output is correct
57 Correct 96 ms 152016 KB Output is correct
58 Correct 82 ms 142208 KB Output is correct
59 Correct 84 ms 142420 KB Output is correct
60 Correct 84 ms 142676 KB Output is correct
61 Correct 83 ms 142884 KB Output is correct
62 Correct 106 ms 155448 KB Output is correct
63 Correct 219 ms 203600 KB Output is correct
64 Correct 223 ms 218004 KB Output is correct
65 Runtime error 166 ms 262144 KB Execution killed with signal 9
66 Halted 0 ms 0 KB -