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Submission #969834

# Submission time Handle Problem Language Result Execution time Memory
969834 2024-04-25T16:16:14 Z pcc Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 241 ms 236384 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)*2.3;
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 83 ms 137812 KB Output is correct
2 Correct 77 ms 137924 KB Output is correct
3 Correct 77 ms 137808 KB Output is correct
4 Correct 82 ms 137928 KB Output is correct
5 Correct 77 ms 137808 KB Output is correct
6 Correct 78 ms 137916 KB Output is correct
7 Correct 80 ms 137732 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 137812 KB Output is correct
2 Correct 82 ms 137844 KB Output is correct
3 Correct 80 ms 137808 KB Output is correct
4 Correct 77 ms 137924 KB Output is correct
5 Correct 77 ms 137672 KB Output is correct
6 Correct 80 ms 137804 KB Output is correct
7 Correct 82 ms 138068 KB Output is correct
8 Correct 80 ms 137692 KB Output is correct
9 Correct 77 ms 137808 KB Output is correct
10 Correct 84 ms 137816 KB Output is correct
11 Correct 79 ms 138064 KB Output is correct
12 Correct 77 ms 137808 KB Output is correct
13 Correct 78 ms 137936 KB Output is correct
14 Correct 88 ms 137932 KB Output is correct
15 Correct 89 ms 138068 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 137916 KB Output is correct
2 Correct 84 ms 137808 KB Output is correct
3 Correct 78 ms 137800 KB Output is correct
4 Correct 76 ms 137808 KB Output is correct
5 Correct 78 ms 137904 KB Output is correct
6 Correct 91 ms 137792 KB Output is correct
7 Correct 79 ms 137800 KB Output is correct
8 Correct 78 ms 137856 KB Output is correct
9 Correct 78 ms 138088 KB Output is correct
10 Correct 77 ms 137812 KB Output is correct
11 Correct 78 ms 138064 KB Output is correct
12 Correct 79 ms 137808 KB Output is correct
13 Correct 78 ms 137840 KB Output is correct
14 Correct 85 ms 138364 KB Output is correct
15 Correct 77 ms 138060 KB Output is correct
16 Correct 78 ms 137812 KB Output is correct
17 Correct 86 ms 138168 KB Output is correct
18 Correct 78 ms 138020 KB Output is correct
19 Correct 79 ms 137816 KB Output is correct
20 Correct 86 ms 137696 KB Output is correct
21 Correct 77 ms 137812 KB Output is correct
22 Correct 83 ms 137848 KB Output is correct
23 Correct 78 ms 137812 KB Output is correct
24 Correct 77 ms 138072 KB Output is correct
25 Correct 83 ms 138040 KB Output is correct
26 Correct 77 ms 137984 KB Output is correct
27 Correct 77 ms 137812 KB Output is correct
28 Correct 83 ms 138320 KB Output is correct
29 Correct 80 ms 142164 KB Output is correct
30 Correct 77 ms 137808 KB Output is correct
31 Correct 79 ms 140020 KB Output is correct
32 Correct 78 ms 138068 KB Output is correct
33 Correct 89 ms 142672 KB Output is correct
34 Correct 82 ms 142708 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 137840 KB Output is correct
2 Correct 83 ms 137864 KB Output is correct
3 Correct 78 ms 137808 KB Output is correct
4 Correct 78 ms 137812 KB Output is correct
5 Correct 78 ms 137808 KB Output is correct
6 Correct 76 ms 138060 KB Output is correct
7 Correct 78 ms 137812 KB Output is correct
8 Correct 76 ms 137812 KB Output is correct
9 Correct 78 ms 137832 KB Output is correct
10 Correct 77 ms 137764 KB Output is correct
11 Correct 79 ms 138064 KB Output is correct
12 Correct 80 ms 137932 KB Output is correct
13 Correct 85 ms 137840 KB Output is correct
14 Correct 80 ms 138068 KB Output is correct
15 Correct 78 ms 138076 KB Output is correct
16 Correct 78 ms 137960 KB Output is correct
17 Correct 79 ms 138084 KB Output is correct
18 Correct 85 ms 138320 KB Output is correct
19 Correct 77 ms 138004 KB Output is correct
20 Correct 78 ms 137864 KB Output is correct
21 Correct 78 ms 137824 KB Output is correct
22 Correct 83 ms 137812 KB Output is correct
23 Correct 87 ms 138080 KB Output is correct
24 Correct 83 ms 138024 KB Output is correct
25 Correct 77 ms 138064 KB Output is correct
26 Correct 96 ms 137936 KB Output is correct
27 Correct 78 ms 137952 KB Output is correct
28 Correct 79 ms 138324 KB Output is correct
29 Correct 79 ms 142160 KB Output is correct
30 Correct 77 ms 137812 KB Output is correct
31 Correct 78 ms 140020 KB Output is correct
32 Correct 78 ms 138064 KB Output is correct
33 Correct 87 ms 142676 KB Output is correct
34 Correct 82 ms 142676 KB Output is correct
35 Correct 94 ms 144980 KB Output is correct
36 Correct 79 ms 138396 KB Output is correct
37 Correct 93 ms 144724 KB Output is correct
38 Correct 115 ms 145744 KB Output is correct
39 Correct 104 ms 145852 KB Output is correct
40 Correct 99 ms 145744 KB Output is correct
41 Correct 98 ms 145852 KB Output is correct
42 Correct 82 ms 138092 KB Output is correct
43 Correct 81 ms 138120 KB Output is correct
44 Correct 82 ms 138060 KB Output is correct
45 Correct 118 ms 155288 KB Output is correct
46 Correct 116 ms 155236 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 137872 KB Output is correct
2 Correct 78 ms 137812 KB Output is correct
3 Correct 78 ms 137808 KB Output is correct
4 Correct 78 ms 137792 KB Output is correct
5 Correct 79 ms 137812 KB Output is correct
6 Correct 92 ms 137740 KB Output is correct
7 Correct 80 ms 137812 KB Output is correct
8 Correct 78 ms 137920 KB Output is correct
9 Correct 77 ms 137840 KB Output is correct
10 Correct 80 ms 137876 KB Output is correct
11 Correct 78 ms 138068 KB Output is correct
12 Correct 78 ms 137816 KB Output is correct
13 Correct 85 ms 138080 KB Output is correct
14 Correct 79 ms 138064 KB Output is correct
15 Correct 87 ms 138056 KB Output is correct
16 Correct 80 ms 138024 KB Output is correct
17 Correct 86 ms 138060 KB Output is correct
18 Correct 87 ms 137812 KB Output is correct
19 Correct 77 ms 137812 KB Output is correct
20 Correct 79 ms 137844 KB Output is correct
21 Correct 77 ms 137996 KB Output is correct
22 Correct 79 ms 138028 KB Output is correct
23 Correct 92 ms 137976 KB Output is correct
24 Correct 78 ms 138080 KB Output is correct
25 Correct 78 ms 137944 KB Output is correct
26 Correct 78 ms 137812 KB Output is correct
27 Correct 79 ms 137812 KB Output is correct
28 Correct 78 ms 138120 KB Output is correct
29 Correct 81 ms 142160 KB Output is correct
30 Correct 80 ms 137808 KB Output is correct
31 Correct 78 ms 140112 KB Output is correct
32 Correct 81 ms 137848 KB Output is correct
33 Correct 81 ms 142728 KB Output is correct
34 Correct 83 ms 142672 KB Output is correct
35 Correct 97 ms 145092 KB Output is correct
36 Correct 84 ms 138576 KB Output is correct
37 Correct 95 ms 144704 KB Output is correct
38 Correct 110 ms 145744 KB Output is correct
39 Correct 102 ms 145748 KB Output is correct
40 Correct 99 ms 145744 KB Output is correct
41 Correct 100 ms 145868 KB Output is correct
42 Correct 80 ms 137844 KB Output is correct
43 Correct 81 ms 138016 KB Output is correct
44 Correct 80 ms 137812 KB Output is correct
45 Correct 113 ms 155460 KB Output is correct
46 Correct 119 ms 155216 KB Output is correct
47 Correct 153 ms 161928 KB Output is correct
48 Correct 92 ms 147692 KB Output is correct
49 Correct 89 ms 145016 KB Output is correct
50 Correct 88 ms 144316 KB Output is correct
51 Correct 113 ms 150768 KB Output is correct
52 Correct 112 ms 150888 KB Output is correct
53 Correct 102 ms 145744 KB Output is correct
54 Correct 79 ms 140100 KB Output is correct
55 Correct 82 ms 140088 KB Output is correct
56 Correct 84 ms 140332 KB Output is correct
57 Correct 99 ms 152148 KB Output is correct
58 Correct 83 ms 142416 KB Output is correct
59 Correct 92 ms 142432 KB Output is correct
60 Correct 84 ms 142680 KB Output is correct
61 Correct 84 ms 142932 KB Output is correct
62 Correct 107 ms 155568 KB Output is correct
63 Correct 241 ms 203452 KB Output is correct
64 Correct 241 ms 218008 KB Output is correct
65 Runtime error 161 ms 236384 KB Execution killed with signal 11
66 Halted 0 ms 0 KB -