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Submission #969824

# Submission time Handle Problem Language Result Execution time Memory
969824 2024-04-25T16:09:27 Z pcc Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 276 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)*2.3;

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 83 ms 150612 KB Output is correct
2 Correct 84 ms 150444 KB Output is correct
3 Correct 85 ms 150608 KB Output is correct
4 Correct 86 ms 150512 KB Output is correct
5 Correct 104 ms 150612 KB Output is correct
6 Correct 84 ms 150424 KB Output is correct
7 Correct 83 ms 150424 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 150608 KB Output is correct
2 Correct 84 ms 150640 KB Output is correct
3 Correct 85 ms 150612 KB Output is correct
4 Correct 84 ms 150636 KB Output is correct
5 Correct 86 ms 150608 KB Output is correct
6 Correct 84 ms 150640 KB Output is correct
7 Correct 84 ms 150612 KB Output is correct
8 Correct 84 ms 150612 KB Output is correct
9 Correct 84 ms 150612 KB Output is correct
10 Correct 85 ms 150612 KB Output is correct
11 Correct 99 ms 150616 KB Output is correct
12 Correct 86 ms 150612 KB Output is correct
13 Correct 83 ms 150612 KB Output is correct
14 Correct 90 ms 150664 KB Output is correct
15 Correct 89 ms 150696 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 150612 KB Output is correct
2 Correct 88 ms 150632 KB Output is correct
3 Correct 84 ms 150608 KB Output is correct
4 Correct 89 ms 150500 KB Output is correct
5 Correct 86 ms 150640 KB Output is correct
6 Correct 84 ms 150612 KB Output is correct
7 Correct 85 ms 150608 KB Output is correct
8 Correct 86 ms 150432 KB Output is correct
9 Correct 89 ms 150472 KB Output is correct
10 Correct 85 ms 150612 KB Output is correct
11 Correct 85 ms 150604 KB Output is correct
12 Correct 84 ms 150612 KB Output is correct
13 Correct 87 ms 150652 KB Output is correct
14 Correct 85 ms 150868 KB Output is correct
15 Correct 92 ms 150872 KB Output is correct
16 Correct 85 ms 150560 KB Output is correct
17 Correct 84 ms 152900 KB Output is correct
18 Correct 85 ms 150608 KB Output is correct
19 Correct 86 ms 150624 KB Output is correct
20 Correct 85 ms 150608 KB Output is correct
21 Correct 86 ms 150596 KB Output is correct
22 Correct 86 ms 150736 KB Output is correct
23 Correct 84 ms 150612 KB Output is correct
24 Correct 86 ms 152904 KB Output is correct
25 Correct 85 ms 150748 KB Output is correct
26 Correct 105 ms 152916 KB Output is correct
27 Correct 102 ms 150516 KB Output is correct
28 Correct 102 ms 153012 KB Output is correct
29 Correct 90 ms 154960 KB Output is correct
30 Correct 86 ms 152656 KB Output is correct
31 Correct 85 ms 152652 KB Output is correct
32 Correct 86 ms 152656 KB Output is correct
33 Correct 96 ms 155452 KB Output is correct
34 Correct 90 ms 155228 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 150636 KB Output is correct
2 Correct 87 ms 150476 KB Output is correct
3 Correct 83 ms 150608 KB Output is correct
4 Correct 83 ms 150596 KB Output is correct
5 Correct 85 ms 150632 KB Output is correct
6 Correct 83 ms 150640 KB Output is correct
7 Correct 84 ms 150608 KB Output is correct
8 Correct 84 ms 150440 KB Output is correct
9 Correct 85 ms 150552 KB Output is correct
10 Correct 92 ms 150532 KB Output is correct
11 Correct 85 ms 150632 KB Output is correct
12 Correct 99 ms 150612 KB Output is correct
13 Correct 84 ms 150496 KB Output is correct
14 Correct 84 ms 151120 KB Output is correct
15 Correct 83 ms 150788 KB Output is correct
16 Correct 82 ms 150608 KB Output is correct
17 Correct 86 ms 152912 KB Output is correct
18 Correct 83 ms 150608 KB Output is correct
19 Correct 86 ms 150728 KB Output is correct
20 Correct 85 ms 150456 KB Output is correct
21 Correct 86 ms 150612 KB Output is correct
22 Correct 85 ms 150740 KB Output is correct
23 Correct 127 ms 150984 KB Output is correct
24 Correct 86 ms 152916 KB Output is correct
25 Correct 85 ms 150812 KB Output is correct
26 Correct 84 ms 152660 KB Output is correct
27 Correct 84 ms 150612 KB Output is correct
28 Correct 88 ms 152820 KB Output is correct
29 Correct 87 ms 154944 KB Output is correct
30 Correct 84 ms 152772 KB Output is correct
31 Correct 85 ms 152660 KB Output is correct
32 Correct 90 ms 152860 KB Output is correct
33 Correct 89 ms 155224 KB Output is correct
34 Correct 88 ms 155216 KB Output is correct
35 Correct 104 ms 157696 KB Output is correct
36 Correct 85 ms 153116 KB Output is correct
37 Correct 109 ms 157632 KB Output is correct
38 Correct 108 ms 158576 KB Output is correct
39 Correct 107 ms 158548 KB Output is correct
40 Correct 108 ms 158608 KB Output is correct
41 Correct 107 ms 158588 KB Output is correct
42 Correct 87 ms 152812 KB Output is correct
43 Correct 89 ms 152876 KB Output is correct
44 Correct 90 ms 152660 KB Output is correct
45 Correct 124 ms 168020 KB Output is correct
46 Correct 130 ms 168108 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 150500 KB Output is correct
2 Correct 84 ms 150452 KB Output is correct
3 Correct 83 ms 150628 KB Output is correct
4 Correct 91 ms 150636 KB Output is correct
5 Correct 96 ms 150612 KB Output is correct
6 Correct 84 ms 150484 KB Output is correct
7 Correct 85 ms 150612 KB Output is correct
8 Correct 87 ms 150500 KB Output is correct
9 Correct 98 ms 150440 KB Output is correct
10 Correct 83 ms 150564 KB Output is correct
11 Correct 85 ms 150608 KB Output is correct
12 Correct 92 ms 150396 KB Output is correct
13 Correct 84 ms 150612 KB Output is correct
14 Correct 85 ms 150712 KB Output is correct
15 Correct 85 ms 150864 KB Output is correct
16 Correct 86 ms 150608 KB Output is correct
17 Correct 86 ms 152912 KB Output is correct
18 Correct 85 ms 150772 KB Output is correct
19 Correct 86 ms 150612 KB Output is correct
20 Correct 84 ms 150476 KB Output is correct
21 Correct 85 ms 150564 KB Output is correct
22 Correct 84 ms 150612 KB Output is correct
23 Correct 85 ms 150608 KB Output is correct
24 Correct 87 ms 152912 KB Output is correct
25 Correct 85 ms 150784 KB Output is correct
26 Correct 87 ms 152608 KB Output is correct
27 Correct 86 ms 150584 KB Output is correct
28 Correct 87 ms 152912 KB Output is correct
29 Correct 88 ms 155000 KB Output is correct
30 Correct 84 ms 152572 KB Output is correct
31 Correct 86 ms 152912 KB Output is correct
32 Correct 86 ms 152668 KB Output is correct
33 Correct 90 ms 155220 KB Output is correct
34 Correct 88 ms 155216 KB Output is correct
35 Correct 104 ms 157780 KB Output is correct
36 Correct 87 ms 153168 KB Output is correct
37 Correct 101 ms 157264 KB Output is correct
38 Correct 113 ms 158544 KB Output is correct
39 Correct 118 ms 158760 KB Output is correct
40 Correct 129 ms 158544 KB Output is correct
41 Correct 119 ms 158548 KB Output is correct
42 Correct 92 ms 152648 KB Output is correct
43 Correct 96 ms 152704 KB Output is correct
44 Correct 88 ms 152860 KB Output is correct
45 Correct 125 ms 167956 KB Output is correct
46 Correct 124 ms 168076 KB Output is correct
47 Correct 148 ms 174736 KB Output is correct
48 Correct 101 ms 162056 KB Output is correct
49 Correct 99 ms 157520 KB Output is correct
50 Correct 92 ms 157012 KB Output is correct
51 Correct 126 ms 163492 KB Output is correct
52 Correct 115 ms 163408 KB Output is correct
53 Correct 102 ms 158292 KB Output is correct
54 Correct 88 ms 152768 KB Output is correct
55 Correct 93 ms 154964 KB Output is correct
56 Correct 90 ms 152960 KB Output is correct
57 Correct 107 ms 164764 KB Output is correct
58 Correct 89 ms 155008 KB Output is correct
59 Correct 96 ms 155068 KB Output is correct
60 Correct 93 ms 155484 KB Output is correct
61 Correct 91 ms 155748 KB Output is correct
62 Correct 111 ms 168116 KB Output is correct
63 Correct 261 ms 216452 KB Output is correct
64 Correct 276 ms 230484 KB Output is correct
65 Runtime error 125 ms 262144 KB Execution killed with signal 9
66 Halted 0 ms 0 KB -