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Submission #969841

# Submission time Handle Problem Language Result Execution time Memory
969841 2024-04-25T16:27:59 Z pcc Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 246 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<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)*2.33;
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++;
	assert(ecnt<mxe);
	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++;
			assert(vcnt<mxv);
			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 77 ms 137808 KB Output is correct
2 Correct 77 ms 137920 KB Output is correct
3 Correct 76 ms 137916 KB Output is correct
4 Correct 77 ms 137908 KB Output is correct
5 Correct 78 ms 137808 KB Output is correct
6 Correct 77 ms 137864 KB Output is correct
7 Correct 87 ms 137808 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 90 ms 137808 KB Output is correct
2 Correct 78 ms 137808 KB Output is correct
3 Correct 76 ms 137808 KB Output is correct
4 Correct 77 ms 137812 KB Output is correct
5 Correct 79 ms 137924 KB Output is correct
6 Correct 77 ms 137752 KB Output is correct
7 Correct 77 ms 137796 KB Output is correct
8 Correct 76 ms 137924 KB Output is correct
9 Correct 76 ms 137732 KB Output is correct
10 Correct 78 ms 137808 KB Output is correct
11 Correct 81 ms 137988 KB Output is correct
12 Correct 79 ms 137684 KB Output is correct
13 Correct 82 ms 138068 KB Output is correct
14 Correct 78 ms 138052 KB Output is correct
15 Correct 79 ms 138068 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 137824 KB Output is correct
2 Correct 78 ms 138064 KB Output is correct
3 Correct 75 ms 137808 KB Output is correct
4 Correct 79 ms 137920 KB Output is correct
5 Correct 80 ms 137808 KB Output is correct
6 Correct 77 ms 137924 KB Output is correct
7 Correct 77 ms 137824 KB Output is correct
8 Correct 78 ms 137808 KB Output is correct
9 Correct 78 ms 137840 KB Output is correct
10 Correct 76 ms 137808 KB Output is correct
11 Correct 77 ms 138076 KB Output is correct
12 Correct 80 ms 137940 KB Output is correct
13 Correct 79 ms 137808 KB Output is correct
14 Correct 78 ms 138068 KB Output is correct
15 Correct 81 ms 138064 KB Output is correct
16 Correct 80 ms 138064 KB Output is correct
17 Correct 79 ms 140116 KB Output is correct
18 Correct 80 ms 140012 KB Output is correct
19 Correct 77 ms 137916 KB Output is correct
20 Correct 77 ms 137812 KB Output is correct
21 Correct 79 ms 138068 KB Output is correct
22 Correct 79 ms 137824 KB Output is correct
23 Correct 78 ms 139860 KB Output is correct
24 Correct 78 ms 140116 KB Output is correct
25 Correct 78 ms 140116 KB Output is correct
26 Correct 79 ms 139856 KB Output is correct
27 Correct 76 ms 139828 KB Output is correct
28 Correct 77 ms 140288 KB Output is correct
29 Correct 81 ms 142160 KB Output is correct
30 Correct 85 ms 139860 KB Output is correct
31 Correct 80 ms 142016 KB Output is correct
32 Correct 78 ms 139980 KB Output is correct
33 Correct 83 ms 142676 KB Output is correct
34 Correct 83 ms 142672 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 137916 KB Output is correct
2 Correct 92 ms 137880 KB Output is correct
3 Correct 79 ms 137808 KB Output is correct
4 Correct 78 ms 137812 KB Output is correct
5 Correct 75 ms 137812 KB Output is correct
6 Correct 78 ms 137856 KB Output is correct
7 Correct 77 ms 137828 KB Output is correct
8 Correct 77 ms 137896 KB Output is correct
9 Correct 83 ms 137860 KB Output is correct
10 Correct 77 ms 137876 KB Output is correct
11 Correct 81 ms 138076 KB Output is correct
12 Correct 76 ms 137936 KB Output is correct
13 Correct 77 ms 137832 KB Output is correct
14 Correct 79 ms 138064 KB Output is correct
15 Correct 79 ms 138052 KB Output is correct
16 Correct 84 ms 138068 KB Output is correct
17 Correct 89 ms 140112 KB Output is correct
18 Correct 76 ms 140020 KB Output is correct
19 Correct 76 ms 137952 KB Output is correct
20 Correct 78 ms 137796 KB Output is correct
21 Correct 77 ms 137812 KB Output is correct
22 Correct 79 ms 137932 KB Output is correct
23 Correct 85 ms 140084 KB Output is correct
24 Correct 81 ms 140136 KB Output is correct
25 Correct 86 ms 140232 KB Output is correct
26 Correct 80 ms 139860 KB Output is correct
27 Correct 78 ms 139856 KB Output is correct
28 Correct 78 ms 140088 KB Output is correct
29 Correct 80 ms 142168 KB Output is correct
30 Correct 83 ms 139948 KB Output is correct
31 Correct 78 ms 142160 KB Output is correct
32 Correct 78 ms 140024 KB Output is correct
33 Correct 82 ms 142492 KB Output is correct
34 Correct 90 ms 142604 KB Output is correct
35 Correct 95 ms 145112 KB Output is correct
36 Correct 80 ms 140368 KB Output is correct
37 Correct 94 ms 144720 KB Output is correct
38 Correct 104 ms 145748 KB Output is correct
39 Correct 97 ms 145768 KB Output is correct
40 Correct 101 ms 145748 KB Output is correct
41 Correct 98 ms 145748 KB Output is correct
42 Correct 80 ms 140144 KB Output is correct
43 Correct 85 ms 140436 KB Output is correct
44 Correct 80 ms 140020 KB Output is correct
45 Correct 123 ms 155220 KB Output is correct
46 Correct 112 ms 155216 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 137828 KB Output is correct
2 Correct 77 ms 137920 KB Output is correct
3 Correct 76 ms 137812 KB Output is correct
4 Correct 75 ms 137764 KB Output is correct
5 Correct 77 ms 137848 KB Output is correct
6 Correct 79 ms 137808 KB Output is correct
7 Correct 77 ms 137756 KB Output is correct
8 Correct 78 ms 137812 KB Output is correct
9 Correct 76 ms 137812 KB Output is correct
10 Correct 76 ms 137808 KB Output is correct
11 Correct 84 ms 138320 KB Output is correct
12 Correct 77 ms 137812 KB Output is correct
13 Correct 77 ms 137808 KB Output is correct
14 Correct 77 ms 138064 KB Output is correct
15 Correct 76 ms 138068 KB Output is correct
16 Correct 77 ms 137808 KB Output is correct
17 Correct 78 ms 140224 KB Output is correct
18 Correct 92 ms 140116 KB Output is correct
19 Correct 77 ms 138012 KB Output is correct
20 Correct 76 ms 137808 KB Output is correct
21 Correct 76 ms 137812 KB Output is correct
22 Correct 76 ms 137812 KB Output is correct
23 Correct 80 ms 140116 KB Output is correct
24 Correct 77 ms 140112 KB Output is correct
25 Correct 81 ms 140236 KB Output is correct
26 Correct 79 ms 140328 KB Output is correct
27 Correct 85 ms 139856 KB Output is correct
28 Correct 78 ms 140288 KB Output is correct
29 Correct 80 ms 142148 KB Output is correct
30 Correct 76 ms 139856 KB Output is correct
31 Correct 82 ms 142060 KB Output is correct
32 Correct 80 ms 140056 KB Output is correct
33 Correct 81 ms 142676 KB Output is correct
34 Correct 83 ms 142704 KB Output is correct
35 Correct 96 ms 144976 KB Output is correct
36 Correct 78 ms 140564 KB Output is correct
37 Correct 93 ms 144548 KB Output is correct
38 Correct 102 ms 145744 KB Output is correct
39 Correct 102 ms 145880 KB Output is correct
40 Correct 101 ms 145848 KB Output is correct
41 Correct 100 ms 145748 KB Output is correct
42 Correct 82 ms 140032 KB Output is correct
43 Correct 83 ms 140112 KB Output is correct
44 Correct 81 ms 140004 KB Output is correct
45 Correct 113 ms 155220 KB Output is correct
46 Correct 113 ms 155296 KB Output is correct
47 Correct 130 ms 163924 KB Output is correct
48 Correct 90 ms 149512 KB Output is correct
49 Correct 99 ms 145020 KB Output is correct
50 Correct 85 ms 144180 KB Output is correct
51 Correct 114 ms 150776 KB Output is correct
52 Correct 112 ms 150868 KB Output is correct
53 Correct 94 ms 145744 KB Output is correct
54 Correct 78 ms 142084 KB Output is correct
55 Correct 79 ms 142160 KB Output is correct
56 Correct 82 ms 142164 KB Output is correct
57 Correct 95 ms 152092 KB Output is correct
58 Correct 81 ms 142420 KB Output is correct
59 Correct 84 ms 142544 KB Output is correct
60 Correct 88 ms 142700 KB Output is correct
61 Correct 82 ms 142928 KB Output is correct
62 Correct 106 ms 155408 KB Output is correct
63 Correct 222 ms 203644 KB Output is correct
64 Correct 246 ms 217924 KB Output is correct
65 Runtime error 238 ms 262144 KB Execution killed with signal 9
66 Halted 0 ms 0 KB -