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Submission #969821

# Submission time Handle Problem Language Result Execution time Memory
969821 2024-04-25T16:06:56 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+10;
const int mxn = 3e4+10;
const int mxe = mxn*sqrt(mxn)*3;
const int mxv = mxe/3;

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 42 ms 67972 KB Output is correct
2 Correct 40 ms 67928 KB Output is correct
3 Correct 40 ms 67916 KB Output is correct
4 Correct 40 ms 67932 KB Output is correct
5 Correct 39 ms 67932 KB Output is correct
6 Correct 40 ms 67924 KB Output is correct
7 Correct 41 ms 67920 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 67916 KB Output is correct
2 Correct 42 ms 67876 KB Output is correct
3 Correct 41 ms 67928 KB Output is correct
4 Correct 42 ms 67932 KB Output is correct
5 Correct 40 ms 67916 KB Output is correct
6 Correct 40 ms 67928 KB Output is correct
7 Correct 40 ms 67924 KB Output is correct
8 Correct 51 ms 67984 KB Output is correct
9 Correct 50 ms 67928 KB Output is correct
10 Correct 41 ms 67976 KB Output is correct
11 Correct 41 ms 67928 KB Output is correct
12 Correct 44 ms 67924 KB Output is correct
13 Correct 40 ms 67932 KB Output is correct
14 Correct 41 ms 68176 KB Output is correct
15 Correct 41 ms 68176 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 67928 KB Output is correct
2 Correct 40 ms 67976 KB Output is correct
3 Correct 40 ms 67916 KB Output is correct
4 Correct 40 ms 67928 KB Output is correct
5 Correct 45 ms 67932 KB Output is correct
6 Correct 41 ms 67952 KB Output is correct
7 Correct 40 ms 67932 KB Output is correct
8 Correct 40 ms 67932 KB Output is correct
9 Correct 39 ms 67928 KB Output is correct
10 Correct 40 ms 67924 KB Output is correct
11 Correct 41 ms 67924 KB Output is correct
12 Correct 47 ms 67932 KB Output is correct
13 Correct 39 ms 67928 KB Output is correct
14 Correct 40 ms 68184 KB Output is correct
15 Correct 40 ms 68164 KB Output is correct
16 Correct 39 ms 67920 KB Output is correct
17 Correct 42 ms 68180 KB Output is correct
18 Correct 40 ms 67928 KB Output is correct
19 Correct 41 ms 67924 KB Output is correct
20 Correct 41 ms 67932 KB Output is correct
21 Correct 41 ms 67924 KB Output is correct
22 Correct 41 ms 67924 KB Output is correct
23 Correct 41 ms 67928 KB Output is correct
24 Correct 41 ms 68176 KB Output is correct
25 Correct 42 ms 68176 KB Output is correct
26 Correct 40 ms 68048 KB Output is correct
27 Correct 40 ms 67920 KB Output is correct
28 Correct 42 ms 68180 KB Output is correct
29 Correct 42 ms 68188 KB Output is correct
30 Correct 40 ms 67956 KB Output is correct
31 Correct 40 ms 68188 KB Output is correct
32 Correct 41 ms 67928 KB Output is correct
33 Correct 45 ms 70748 KB Output is correct
34 Correct 44 ms 70748 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 67924 KB Output is correct
2 Correct 41 ms 67920 KB Output is correct
3 Correct 40 ms 67924 KB Output is correct
4 Correct 40 ms 67932 KB Output is correct
5 Correct 40 ms 67924 KB Output is correct
6 Correct 40 ms 67932 KB Output is correct
7 Correct 40 ms 67928 KB Output is correct
8 Correct 47 ms 67920 KB Output is correct
9 Correct 42 ms 67868 KB Output is correct
10 Correct 40 ms 67924 KB Output is correct
11 Correct 41 ms 68172 KB Output is correct
12 Correct 40 ms 67932 KB Output is correct
13 Correct 41 ms 67920 KB Output is correct
14 Correct 42 ms 68184 KB Output is correct
15 Correct 40 ms 68188 KB Output is correct
16 Correct 40 ms 67928 KB Output is correct
17 Correct 41 ms 68188 KB Output is correct
18 Correct 40 ms 68076 KB Output is correct
19 Correct 39 ms 67928 KB Output is correct
20 Correct 41 ms 67932 KB Output is correct
21 Correct 47 ms 68120 KB Output is correct
22 Correct 41 ms 67924 KB Output is correct
23 Correct 40 ms 67932 KB Output is correct
24 Correct 41 ms 68176 KB Output is correct
25 Correct 43 ms 68440 KB Output is correct
26 Correct 40 ms 67932 KB Output is correct
27 Correct 41 ms 67920 KB Output is correct
28 Correct 41 ms 68176 KB Output is correct
29 Correct 43 ms 68184 KB Output is correct
30 Correct 40 ms 67932 KB Output is correct
31 Correct 41 ms 68188 KB Output is correct
32 Correct 42 ms 67932 KB Output is correct
33 Correct 44 ms 70672 KB Output is correct
34 Correct 45 ms 70748 KB Output is correct
35 Correct 57 ms 71156 KB Output is correct
36 Correct 45 ms 68432 KB Output is correct
37 Correct 58 ms 74576 KB Output is correct
38 Correct 61 ms 73812 KB Output is correct
39 Correct 63 ms 73812 KB Output is correct
40 Correct 63 ms 73824 KB Output is correct
41 Correct 62 ms 73832 KB Output is correct
42 Correct 44 ms 67932 KB Output is correct
43 Correct 45 ms 68184 KB Output is correct
44 Correct 52 ms 68176 KB Output is correct
45 Correct 80 ms 83396 KB Output is correct
46 Correct 89 ms 83284 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 67952 KB Output is correct
2 Correct 41 ms 67920 KB Output is correct
3 Correct 44 ms 67924 KB Output is correct
4 Correct 41 ms 67920 KB Output is correct
5 Correct 41 ms 67920 KB Output is correct
6 Correct 40 ms 67924 KB Output is correct
7 Correct 42 ms 67928 KB Output is correct
8 Correct 40 ms 67932 KB Output is correct
9 Correct 40 ms 67932 KB Output is correct
10 Correct 40 ms 67932 KB Output is correct
11 Correct 43 ms 68180 KB Output is correct
12 Correct 42 ms 67932 KB Output is correct
13 Correct 40 ms 67800 KB Output is correct
14 Correct 41 ms 68176 KB Output is correct
15 Correct 44 ms 68476 KB Output is correct
16 Correct 40 ms 67920 KB Output is correct
17 Correct 42 ms 68176 KB Output is correct
18 Correct 41 ms 67920 KB Output is correct
19 Correct 40 ms 67932 KB Output is correct
20 Correct 41 ms 67928 KB Output is correct
21 Correct 41 ms 67932 KB Output is correct
22 Correct 41 ms 67932 KB Output is correct
23 Correct 41 ms 68120 KB Output is correct
24 Correct 41 ms 68180 KB Output is correct
25 Correct 41 ms 68188 KB Output is correct
26 Correct 41 ms 67968 KB Output is correct
27 Correct 41 ms 67924 KB Output is correct
28 Correct 47 ms 68436 KB Output is correct
29 Correct 44 ms 68304 KB Output is correct
30 Correct 41 ms 67928 KB Output is correct
31 Correct 41 ms 68188 KB Output is correct
32 Correct 44 ms 67932 KB Output is correct
33 Correct 44 ms 70568 KB Output is correct
34 Correct 47 ms 70768 KB Output is correct
35 Correct 56 ms 70996 KB Output is correct
36 Correct 43 ms 68444 KB Output is correct
37 Correct 57 ms 74732 KB Output is correct
38 Correct 63 ms 74096 KB Output is correct
39 Correct 63 ms 73816 KB Output is correct
40 Correct 64 ms 73828 KB Output is correct
41 Correct 61 ms 73868 KB Output is correct
42 Correct 44 ms 67932 KB Output is correct
43 Correct 44 ms 67924 KB Output is correct
44 Correct 44 ms 67928 KB Output is correct
45 Correct 75 ms 83476 KB Output is correct
46 Correct 88 ms 83624 KB Output is correct
47 Correct 106 ms 89892 KB Output is correct
48 Correct 55 ms 75404 KB Output is correct
49 Correct 53 ms 72812 KB Output is correct
50 Correct 50 ms 72280 KB Output is correct
51 Correct 72 ms 78616 KB Output is correct
52 Correct 77 ms 81088 KB Output is correct
53 Correct 58 ms 71508 KB Output is correct
54 Correct 41 ms 67932 KB Output is correct
55 Correct 42 ms 68132 KB Output is correct
56 Correct 45 ms 68292 KB Output is correct
57 Correct 60 ms 77908 KB Output is correct
58 Correct 45 ms 68188 KB Output is correct
59 Correct 46 ms 68444 KB Output is correct
60 Correct 54 ms 70740 KB Output is correct
61 Correct 51 ms 70992 KB Output is correct
62 Correct 70 ms 83540 KB Output is correct
63 Execution timed out 2503 ms 262144 KB Time limit exceeded
64 Halted 0 ms 0 KB -