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Submission #969825

# Submission time Handle Problem Language Result Execution time Memory
969825 2024-04-25T16:10:24 Z pcc Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 237 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)*2.2;

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 144508 KB Output is correct
2 Correct 80 ms 144208 KB Output is correct
3 Correct 89 ms 144116 KB Output is correct
4 Correct 79 ms 144208 KB Output is correct
5 Correct 86 ms 144276 KB Output is correct
6 Correct 81 ms 144212 KB Output is correct
7 Correct 80 ms 144276 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 144276 KB Output is correct
2 Correct 84 ms 144284 KB Output is correct
3 Correct 80 ms 144280 KB Output is correct
4 Correct 86 ms 144036 KB Output is correct
5 Correct 80 ms 144124 KB Output is correct
6 Correct 90 ms 144076 KB Output is correct
7 Correct 109 ms 144120 KB Output is correct
8 Correct 83 ms 144048 KB Output is correct
9 Correct 79 ms 144128 KB Output is correct
10 Correct 85 ms 144256 KB Output is correct
11 Correct 87 ms 144340 KB Output is correct
12 Correct 83 ms 144208 KB Output is correct
13 Correct 81 ms 144212 KB Output is correct
14 Correct 90 ms 144364 KB Output is correct
15 Correct 90 ms 144276 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 144276 KB Output is correct
2 Correct 82 ms 144208 KB Output is correct
3 Correct 85 ms 144176 KB Output is correct
4 Correct 81 ms 144116 KB Output is correct
5 Correct 97 ms 144220 KB Output is correct
6 Correct 81 ms 144212 KB Output is correct
7 Correct 84 ms 144116 KB Output is correct
8 Correct 85 ms 144272 KB Output is correct
9 Correct 91 ms 144380 KB Output is correct
10 Correct 86 ms 144208 KB Output is correct
11 Correct 83 ms 144212 KB Output is correct
12 Correct 93 ms 144300 KB Output is correct
13 Correct 89 ms 144292 KB Output is correct
14 Correct 95 ms 144320 KB Output is correct
15 Correct 82 ms 144468 KB Output is correct
16 Correct 81 ms 144380 KB Output is correct
17 Correct 82 ms 144532 KB Output is correct
18 Correct 89 ms 144468 KB Output is correct
19 Correct 82 ms 144212 KB Output is correct
20 Correct 82 ms 144212 KB Output is correct
21 Correct 87 ms 144248 KB Output is correct
22 Correct 82 ms 144228 KB Output is correct
23 Correct 87 ms 144416 KB Output is correct
24 Correct 82 ms 144464 KB Output is correct
25 Correct 84 ms 144372 KB Output is correct
26 Correct 85 ms 144344 KB Output is correct
27 Correct 82 ms 144216 KB Output is correct
28 Correct 83 ms 146512 KB Output is correct
29 Correct 108 ms 148604 KB Output is correct
30 Correct 82 ms 146252 KB Output is correct
31 Correct 98 ms 146512 KB Output is correct
32 Correct 89 ms 146768 KB Output is correct
33 Correct 87 ms 149084 KB Output is correct
34 Correct 99 ms 148964 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 144276 KB Output is correct
2 Correct 86 ms 144212 KB Output is correct
3 Correct 82 ms 144208 KB Output is correct
4 Correct 97 ms 144280 KB Output is correct
5 Correct 97 ms 144208 KB Output is correct
6 Correct 82 ms 144272 KB Output is correct
7 Correct 86 ms 144052 KB Output is correct
8 Correct 80 ms 144216 KB Output is correct
9 Correct 82 ms 144224 KB Output is correct
10 Correct 82 ms 144208 KB Output is correct
11 Correct 92 ms 144208 KB Output is correct
12 Correct 81 ms 144124 KB Output is correct
13 Correct 82 ms 144128 KB Output is correct
14 Correct 84 ms 144468 KB Output is correct
15 Correct 82 ms 144400 KB Output is correct
16 Correct 88 ms 144216 KB Output is correct
17 Correct 84 ms 144476 KB Output is correct
18 Correct 89 ms 144280 KB Output is correct
19 Correct 81 ms 144328 KB Output is correct
20 Correct 81 ms 144212 KB Output is correct
21 Correct 81 ms 144212 KB Output is correct
22 Correct 82 ms 144212 KB Output is correct
23 Correct 86 ms 144208 KB Output is correct
24 Correct 83 ms 144464 KB Output is correct
25 Correct 90 ms 144472 KB Output is correct
26 Correct 80 ms 144336 KB Output is correct
27 Correct 80 ms 144208 KB Output is correct
28 Correct 83 ms 146544 KB Output is correct
29 Correct 83 ms 148564 KB Output is correct
30 Correct 81 ms 146256 KB Output is correct
31 Correct 81 ms 146520 KB Output is correct
32 Correct 81 ms 146256 KB Output is correct
33 Correct 91 ms 149012 KB Output is correct
34 Correct 89 ms 148952 KB Output is correct
35 Correct 100 ms 151564 KB Output is correct
36 Correct 91 ms 146768 KB Output is correct
37 Correct 107 ms 151120 KB Output is correct
38 Correct 109 ms 152148 KB Output is correct
39 Correct 101 ms 152144 KB Output is correct
40 Correct 104 ms 152144 KB Output is correct
41 Correct 102 ms 152152 KB Output is correct
42 Correct 86 ms 146520 KB Output is correct
43 Correct 85 ms 146520 KB Output is correct
44 Correct 83 ms 144244 KB Output is correct
45 Correct 114 ms 161824 KB Output is correct
46 Correct 117 ms 161608 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 144272 KB Output is correct
2 Correct 81 ms 144196 KB Output is correct
3 Correct 95 ms 144060 KB Output is correct
4 Correct 80 ms 144212 KB Output is correct
5 Correct 83 ms 144124 KB Output is correct
6 Correct 97 ms 144276 KB Output is correct
7 Correct 80 ms 144204 KB Output is correct
8 Correct 80 ms 144212 KB Output is correct
9 Correct 81 ms 144228 KB Output is correct
10 Correct 80 ms 144212 KB Output is correct
11 Correct 83 ms 144268 KB Output is correct
12 Correct 86 ms 144216 KB Output is correct
13 Correct 80 ms 144212 KB Output is correct
14 Correct 80 ms 144468 KB Output is correct
15 Correct 82 ms 144520 KB Output is correct
16 Correct 80 ms 144212 KB Output is correct
17 Correct 82 ms 144468 KB Output is correct
18 Correct 83 ms 144260 KB Output is correct
19 Correct 80 ms 144368 KB Output is correct
20 Correct 110 ms 144056 KB Output is correct
21 Correct 83 ms 144204 KB Output is correct
22 Correct 81 ms 144228 KB Output is correct
23 Correct 82 ms 144416 KB Output is correct
24 Correct 85 ms 144464 KB Output is correct
25 Correct 83 ms 144540 KB Output is correct
26 Correct 82 ms 144208 KB Output is correct
27 Correct 93 ms 144224 KB Output is correct
28 Correct 82 ms 146516 KB Output is correct
29 Correct 84 ms 148528 KB Output is correct
30 Correct 84 ms 146260 KB Output is correct
31 Correct 81 ms 146392 KB Output is correct
32 Correct 83 ms 146384 KB Output is correct
33 Correct 85 ms 149076 KB Output is correct
34 Correct 85 ms 149072 KB Output is correct
35 Correct 102 ms 151380 KB Output is correct
36 Correct 85 ms 146764 KB Output is correct
37 Correct 96 ms 151020 KB Output is correct
38 Correct 104 ms 152144 KB Output is correct
39 Correct 103 ms 152148 KB Output is correct
40 Correct 110 ms 152188 KB Output is correct
41 Correct 104 ms 152032 KB Output is correct
42 Correct 88 ms 146512 KB Output is correct
43 Correct 85 ms 146512 KB Output is correct
44 Correct 85 ms 144192 KB Output is correct
45 Correct 130 ms 161620 KB Output is correct
46 Correct 118 ms 161704 KB Output is correct
47 Correct 145 ms 168400 KB Output is correct
48 Correct 96 ms 153680 KB Output is correct
49 Correct 96 ms 151124 KB Output is correct
50 Correct 90 ms 150672 KB Output is correct
51 Correct 112 ms 157012 KB Output is correct
52 Correct 112 ms 157268 KB Output is correct
53 Correct 103 ms 151984 KB Output is correct
54 Correct 81 ms 146260 KB Output is correct
55 Correct 83 ms 146516 KB Output is correct
56 Correct 86 ms 146512 KB Output is correct
57 Correct 98 ms 158288 KB Output is correct
58 Correct 86 ms 148720 KB Output is correct
59 Correct 91 ms 149072 KB Output is correct
60 Correct 91 ms 149076 KB Output is correct
61 Correct 88 ms 149316 KB Output is correct
62 Correct 111 ms 161876 KB Output is correct
63 Correct 237 ms 210260 KB Output is correct
64 Correct 219 ms 224336 KB Output is correct
65 Runtime error 139 ms 262144 KB Execution killed with signal 9
66 Halted 0 ms 0 KB -