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Submission #969832

# Submission time Handle Problem Language Result Execution time Memory
969832 2024-04-25T16:15:12 Z pcc Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 270 ms 262148 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)*2.4;
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 82 ms 137828 KB Output is correct
2 Correct 79 ms 137808 KB Output is correct
3 Correct 89 ms 137808 KB Output is correct
4 Correct 76 ms 137812 KB Output is correct
5 Correct 77 ms 137808 KB Output is correct
6 Correct 80 ms 137832 KB Output is correct
7 Correct 77 ms 137924 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 137840 KB Output is correct
2 Correct 78 ms 137928 KB Output is correct
3 Correct 78 ms 137728 KB Output is correct
4 Correct 77 ms 137924 KB Output is correct
5 Correct 77 ms 137928 KB Output is correct
6 Correct 83 ms 137816 KB Output is correct
7 Correct 82 ms 137924 KB Output is correct
8 Correct 78 ms 137924 KB Output is correct
9 Correct 78 ms 137816 KB Output is correct
10 Correct 84 ms 138012 KB Output is correct
11 Correct 80 ms 138064 KB Output is correct
12 Correct 77 ms 137852 KB Output is correct
13 Correct 80 ms 137812 KB Output is correct
14 Correct 77 ms 138072 KB Output is correct
15 Correct 79 ms 138076 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 137808 KB Output is correct
2 Correct 78 ms 137812 KB Output is correct
3 Correct 77 ms 137812 KB Output is correct
4 Correct 81 ms 137808 KB Output is correct
5 Correct 83 ms 137920 KB Output is correct
6 Correct 78 ms 137808 KB Output is correct
7 Correct 77 ms 137812 KB Output is correct
8 Correct 79 ms 137812 KB Output is correct
9 Correct 80 ms 137816 KB Output is correct
10 Correct 79 ms 137800 KB Output is correct
11 Correct 79 ms 138064 KB Output is correct
12 Correct 79 ms 137844 KB Output is correct
13 Correct 79 ms 138140 KB Output is correct
14 Correct 82 ms 138068 KB Output is correct
15 Correct 78 ms 138068 KB Output is correct
16 Correct 81 ms 137812 KB Output is correct
17 Correct 95 ms 138064 KB Output is correct
18 Correct 85 ms 138320 KB Output is correct
19 Correct 79 ms 138012 KB Output is correct
20 Correct 80 ms 137812 KB Output is correct
21 Correct 79 ms 138056 KB Output is correct
22 Correct 80 ms 137808 KB Output is correct
23 Correct 82 ms 138160 KB Output is correct
24 Correct 80 ms 138068 KB Output is correct
25 Correct 79 ms 138068 KB Output is correct
26 Correct 77 ms 137988 KB Output is correct
27 Correct 78 ms 137808 KB Output is correct
28 Correct 81 ms 138324 KB Output is correct
29 Correct 81 ms 142164 KB Output is correct
30 Correct 78 ms 137812 KB Output is correct
31 Correct 78 ms 140128 KB Output is correct
32 Correct 78 ms 138068 KB Output is correct
33 Correct 86 ms 142632 KB Output is correct
34 Correct 83 ms 142676 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 137876 KB Output is correct
2 Correct 88 ms 137924 KB Output is correct
3 Correct 79 ms 137812 KB Output is correct
4 Correct 85 ms 137928 KB Output is correct
5 Correct 92 ms 137932 KB Output is correct
6 Correct 76 ms 137812 KB Output is correct
7 Correct 79 ms 137708 KB Output is correct
8 Correct 77 ms 137820 KB Output is correct
9 Correct 77 ms 137808 KB Output is correct
10 Correct 81 ms 137808 KB Output is correct
11 Correct 78 ms 137984 KB Output is correct
12 Correct 76 ms 137808 KB Output is correct
13 Correct 79 ms 137940 KB Output is correct
14 Correct 80 ms 138068 KB Output is correct
15 Correct 78 ms 138076 KB Output is correct
16 Correct 83 ms 137916 KB Output is correct
17 Correct 82 ms 138332 KB Output is correct
18 Correct 78 ms 138068 KB Output is correct
19 Correct 76 ms 137976 KB Output is correct
20 Correct 89 ms 137812 KB Output is correct
21 Correct 77 ms 137956 KB Output is correct
22 Correct 90 ms 137924 KB Output is correct
23 Correct 77 ms 137808 KB Output is correct
24 Correct 79 ms 138192 KB Output is correct
25 Correct 78 ms 138064 KB Output is correct
26 Correct 77 ms 137812 KB Output is correct
27 Correct 78 ms 137812 KB Output is correct
28 Correct 78 ms 138064 KB Output is correct
29 Correct 79 ms 142136 KB Output is correct
30 Correct 79 ms 137812 KB Output is correct
31 Correct 88 ms 140080 KB Output is correct
32 Correct 78 ms 138068 KB Output is correct
33 Correct 83 ms 142672 KB Output is correct
34 Correct 84 ms 142676 KB Output is correct
35 Correct 95 ms 145148 KB Output is correct
36 Correct 85 ms 138576 KB Output is correct
37 Correct 94 ms 144724 KB Output is correct
38 Correct 101 ms 145748 KB Output is correct
39 Correct 98 ms 145844 KB Output is correct
40 Correct 99 ms 145768 KB Output is correct
41 Correct 101 ms 145744 KB Output is correct
42 Correct 82 ms 137852 KB Output is correct
43 Correct 82 ms 138076 KB Output is correct
44 Correct 81 ms 137812 KB Output is correct
45 Correct 116 ms 155484 KB Output is correct
46 Correct 114 ms 155220 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 137816 KB Output is correct
2 Correct 78 ms 137876 KB Output is correct
3 Correct 77 ms 137936 KB Output is correct
4 Correct 80 ms 138552 KB Output is correct
5 Correct 78 ms 137852 KB Output is correct
6 Correct 78 ms 137920 KB Output is correct
7 Correct 79 ms 137820 KB Output is correct
8 Correct 81 ms 137836 KB Output is correct
9 Correct 90 ms 137888 KB Output is correct
10 Correct 79 ms 137784 KB Output is correct
11 Correct 79 ms 138012 KB Output is correct
12 Correct 77 ms 137812 KB Output is correct
13 Correct 81 ms 137812 KB Output is correct
14 Correct 79 ms 138064 KB Output is correct
15 Correct 80 ms 138076 KB Output is correct
16 Correct 77 ms 137812 KB Output is correct
17 Correct 80 ms 138104 KB Output is correct
18 Correct 78 ms 138072 KB Output is correct
19 Correct 78 ms 137812 KB Output is correct
20 Correct 77 ms 137808 KB Output is correct
21 Correct 79 ms 137968 KB Output is correct
22 Correct 77 ms 137808 KB Output is correct
23 Correct 82 ms 137808 KB Output is correct
24 Correct 78 ms 138068 KB Output is correct
25 Correct 79 ms 138068 KB Output is correct
26 Correct 77 ms 138092 KB Output is correct
27 Correct 80 ms 137972 KB Output is correct
28 Correct 77 ms 138068 KB Output is correct
29 Correct 79 ms 142160 KB Output is correct
30 Correct 77 ms 137900 KB Output is correct
31 Correct 79 ms 139984 KB Output is correct
32 Correct 77 ms 138068 KB Output is correct
33 Correct 81 ms 142672 KB Output is correct
34 Correct 81 ms 142648 KB Output is correct
35 Correct 95 ms 145112 KB Output is correct
36 Correct 79 ms 138336 KB Output is correct
37 Correct 94 ms 144724 KB Output is correct
38 Correct 102 ms 146136 KB Output is correct
39 Correct 107 ms 145744 KB Output is correct
40 Correct 98 ms 145748 KB Output is correct
41 Correct 104 ms 145744 KB Output is correct
42 Correct 81 ms 138100 KB Output is correct
43 Correct 80 ms 138000 KB Output is correct
44 Correct 94 ms 138188 KB Output is correct
45 Correct 118 ms 155448 KB Output is correct
46 Correct 114 ms 155476 KB Output is correct
47 Correct 134 ms 161872 KB Output is correct
48 Correct 90 ms 147456 KB Output is correct
49 Correct 92 ms 145016 KB Output is correct
50 Correct 87 ms 144468 KB Output is correct
51 Correct 121 ms 150660 KB Output is correct
52 Correct 111 ms 150864 KB Output is correct
53 Correct 95 ms 145744 KB Output is correct
54 Correct 78 ms 139868 KB Output is correct
55 Correct 77 ms 140196 KB Output is correct
56 Correct 84 ms 140116 KB Output is correct
57 Correct 98 ms 152092 KB Output is correct
58 Correct 81 ms 142412 KB Output is correct
59 Correct 83 ms 142320 KB Output is correct
60 Correct 92 ms 142736 KB Output is correct
61 Correct 102 ms 143048 KB Output is correct
62 Correct 146 ms 155492 KB Output is correct
63 Correct 252 ms 203660 KB Output is correct
64 Correct 235 ms 217940 KB Output is correct
65 Runtime error 270 ms 262148 KB Execution killed with signal 9
66 Halted 0 ms 0 KB -