oj.uz

Submission #969820

# Submission time Handle Problem Language Result Execution time Memory
969820 2024-04-25T16:04:10 Z pcc Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 163 ms 188660 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 = 65535;
const int mxn = 3e4+10;
const int mxe = mxn*sqrt(mxn)*3;
const int mxv = mxe;

map<pii,vector<int>> mp;
int N,M;
int ecnt,vcnt;
int to[mxe],nid[mxe];
bitset<mxv> wei;
int head[mxv];
unsigned short 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 109 ms 166624 KB Output is correct
2 Correct 104 ms 166480 KB Output is correct
3 Correct 109 ms 166484 KB Output is correct
4 Correct 106 ms 166480 KB Output is correct
5 Correct 106 ms 166440 KB Output is correct
6 Correct 106 ms 166484 KB Output is correct
7 Correct 105 ms 166480 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 166480 KB Output is correct
2 Correct 106 ms 166428 KB Output is correct
3 Correct 105 ms 166432 KB Output is correct
4 Correct 114 ms 166736 KB Output is correct
5 Correct 104 ms 166480 KB Output is correct
6 Correct 105 ms 166492 KB Output is correct
7 Correct 108 ms 166480 KB Output is correct
8 Correct 117 ms 166736 KB Output is correct
9 Correct 107 ms 166536 KB Output is correct
10 Correct 105 ms 166608 KB Output is correct
11 Correct 110 ms 166864 KB Output is correct
12 Correct 113 ms 167164 KB Output is correct
13 Correct 106 ms 166456 KB Output is correct
14 Correct 117 ms 166672 KB Output is correct
15 Correct 110 ms 166688 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 166432 KB Output is correct
2 Correct 103 ms 166672 KB Output is correct
3 Correct 106 ms 166480 KB Output is correct
4 Correct 106 ms 166480 KB Output is correct
5 Correct 114 ms 166736 KB Output is correct
6 Correct 108 ms 166660 KB Output is correct
7 Correct 108 ms 166676 KB Output is correct
8 Correct 107 ms 166484 KB Output is correct
9 Correct 108 ms 166432 KB Output is correct
10 Correct 108 ms 166484 KB Output is correct
11 Correct 106 ms 166772 KB Output is correct
12 Correct 104 ms 166624 KB Output is correct
13 Correct 107 ms 166484 KB Output is correct
14 Correct 108 ms 166780 KB Output is correct
15 Correct 107 ms 166880 KB Output is correct
16 Correct 106 ms 166780 KB Output is correct
17 Correct 128 ms 166816 KB Output is correct
18 Correct 111 ms 166736 KB Output is correct
19 Correct 116 ms 166736 KB Output is correct
20 Correct 107 ms 166700 KB Output is correct
21 Correct 106 ms 166740 KB Output is correct
22 Correct 108 ms 166564 KB Output is correct
23 Correct 107 ms 166568 KB Output is correct
24 Correct 106 ms 166696 KB Output is correct
25 Correct 112 ms 166940 KB Output is correct
26 Correct 110 ms 166740 KB Output is correct
27 Correct 106 ms 166740 KB Output is correct
28 Correct 110 ms 166884 KB Output is correct
29 Correct 108 ms 166808 KB Output is correct
30 Correct 108 ms 166736 KB Output is correct
31 Correct 118 ms 166776 KB Output is correct
32 Correct 107 ms 166576 KB Output is correct
33 Correct 116 ms 169296 KB Output is correct
34 Correct 108 ms 169228 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 166472 KB Output is correct
2 Correct 105 ms 166736 KB Output is correct
3 Correct 104 ms 166484 KB Output is correct
4 Correct 105 ms 166676 KB Output is correct
5 Correct 107 ms 166612 KB Output is correct
6 Correct 104 ms 166484 KB Output is correct
7 Correct 115 ms 166672 KB Output is correct
8 Correct 104 ms 166608 KB Output is correct
9 Correct 104 ms 166484 KB Output is correct
10 Correct 108 ms 166484 KB Output is correct
11 Correct 121 ms 166616 KB Output is correct
12 Correct 114 ms 166736 KB Output is correct
13 Correct 108 ms 166484 KB Output is correct
14 Correct 106 ms 166740 KB Output is correct
15 Correct 104 ms 166740 KB Output is correct
16 Correct 107 ms 166528 KB Output is correct
17 Correct 106 ms 166736 KB Output is correct
18 Correct 105 ms 166820 KB Output is correct
19 Correct 119 ms 166520 KB Output is correct
20 Correct 108 ms 166472 KB Output is correct
21 Correct 107 ms 166572 KB Output is correct
22 Correct 105 ms 166788 KB Output is correct
23 Correct 105 ms 166816 KB Output is correct
24 Correct 110 ms 166692 KB Output is correct
25 Correct 113 ms 166732 KB Output is correct
26 Correct 106 ms 166740 KB Output is correct
27 Correct 116 ms 166740 KB Output is correct
28 Correct 108 ms 166740 KB Output is correct
29 Correct 108 ms 166860 KB Output is correct
30 Correct 106 ms 166616 KB Output is correct
31 Correct 106 ms 166640 KB Output is correct
32 Correct 106 ms 166736 KB Output is correct
33 Correct 119 ms 169556 KB Output is correct
34 Correct 135 ms 169300 KB Output is correct
35 Correct 122 ms 169812 KB Output is correct
36 Correct 109 ms 167084 KB Output is correct
37 Correct 128 ms 173572 KB Output is correct
38 Correct 127 ms 174420 KB Output is correct
39 Correct 131 ms 174656 KB Output is correct
40 Correct 128 ms 174432 KB Output is correct
41 Correct 133 ms 174632 KB Output is correct
42 Correct 125 ms 166740 KB Output is correct
43 Correct 111 ms 166640 KB Output is correct
44 Correct 110 ms 166600 KB Output is correct
45 Correct 144 ms 182132 KB Output is correct
46 Correct 142 ms 181956 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 166672 KB Output is correct
2 Correct 116 ms 166480 KB Output is correct
3 Correct 117 ms 166468 KB Output is correct
4 Correct 106 ms 166480 KB Output is correct
5 Correct 105 ms 166572 KB Output is correct
6 Correct 105 ms 166536 KB Output is correct
7 Correct 106 ms 166664 KB Output is correct
8 Correct 105 ms 166544 KB Output is correct
9 Correct 106 ms 166480 KB Output is correct
10 Correct 106 ms 166476 KB Output is correct
11 Correct 117 ms 166872 KB Output is correct
12 Correct 105 ms 166480 KB Output is correct
13 Correct 111 ms 166628 KB Output is correct
14 Correct 108 ms 166704 KB Output is correct
15 Correct 111 ms 166740 KB Output is correct
16 Correct 106 ms 166740 KB Output is correct
17 Correct 106 ms 166740 KB Output is correct
18 Correct 123 ms 166812 KB Output is correct
19 Correct 110 ms 166996 KB Output is correct
20 Correct 106 ms 166492 KB Output is correct
21 Correct 107 ms 166740 KB Output is correct
22 Correct 106 ms 166536 KB Output is correct
23 Correct 106 ms 166604 KB Output is correct
24 Correct 106 ms 166696 KB Output is correct
25 Correct 107 ms 166696 KB Output is correct
26 Correct 107 ms 166736 KB Output is correct
27 Correct 106 ms 166736 KB Output is correct
28 Correct 128 ms 166980 KB Output is correct
29 Correct 106 ms 166996 KB Output is correct
30 Correct 106 ms 166524 KB Output is correct
31 Correct 113 ms 166692 KB Output is correct
32 Correct 124 ms 166740 KB Output is correct
33 Correct 110 ms 169292 KB Output is correct
34 Correct 112 ms 169264 KB Output is correct
35 Correct 134 ms 170108 KB Output is correct
36 Correct 109 ms 167044 KB Output is correct
37 Correct 121 ms 173396 KB Output is correct
38 Correct 133 ms 174652 KB Output is correct
39 Correct 128 ms 174416 KB Output is correct
40 Correct 128 ms 174608 KB Output is correct
41 Correct 130 ms 174420 KB Output is correct
42 Correct 111 ms 166712 KB Output is correct
43 Correct 111 ms 166736 KB Output is correct
44 Correct 108 ms 166996 KB Output is correct
45 Correct 155 ms 182100 KB Output is correct
46 Correct 153 ms 182356 KB Output is correct
47 Correct 163 ms 188660 KB Output is correct
48 Correct 120 ms 174048 KB Output is correct
49 Correct 118 ms 171600 KB Output is correct
50 Correct 114 ms 170888 KB Output is correct
51 Correct 138 ms 177380 KB Output is correct
52 Correct 141 ms 179532 KB Output is correct
53 Correct 131 ms 170580 KB Output is correct
54 Correct 106 ms 166740 KB Output is correct
55 Correct 106 ms 166740 KB Output is correct
56 Correct 112 ms 166996 KB Output is correct
57 Correct 121 ms 176724 KB Output is correct
58 Correct 109 ms 167016 KB Output is correct
59 Correct 111 ms 169040 KB Output is correct
60 Correct 113 ms 169300 KB Output is correct
61 Correct 112 ms 169556 KB Output is correct
62 Incorrect 130 ms 182272 KB Output isn't correct
63 Halted 0 ms 0 KB -