oj.uz

Submission #969835

# Submission time Handle Problem Language Result Execution time Memory
969835 2024-04-25T16:17:34 Z pcc Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 235 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<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)*2.35;
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++;
	assert(ecnt<mxe);
	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++;
			assert(vcnt<mxv);
			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 80 ms 137824 KB Output is correct
2 Correct 93 ms 137808 KB Output is correct
3 Correct 76 ms 137812 KB Output is correct
4 Correct 76 ms 137808 KB Output is correct
5 Correct 77 ms 137928 KB Output is correct
6 Correct 79 ms 137916 KB Output is correct
7 Correct 76 ms 137808 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 137812 KB Output is correct
2 Correct 78 ms 137812 KB Output is correct
3 Correct 86 ms 137812 KB Output is correct
4 Correct 78 ms 137920 KB Output is correct
5 Correct 80 ms 137812 KB Output is correct
6 Correct 77 ms 137808 KB Output is correct
7 Correct 81 ms 137808 KB Output is correct
8 Correct 77 ms 137808 KB Output is correct
9 Correct 76 ms 137808 KB Output is correct
10 Correct 76 ms 137920 KB Output is correct
11 Correct 77 ms 138064 KB Output is correct
12 Correct 77 ms 137812 KB Output is correct
13 Correct 77 ms 137932 KB Output is correct
14 Correct 79 ms 138060 KB Output is correct
15 Correct 78 ms 138068 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 138068 KB Output is correct
2 Correct 81 ms 137812 KB Output is correct
3 Correct 77 ms 137808 KB Output is correct
4 Correct 82 ms 137924 KB Output is correct
5 Correct 80 ms 137812 KB Output is correct
6 Correct 77 ms 137928 KB Output is correct
7 Correct 90 ms 137900 KB Output is correct
8 Correct 79 ms 137808 KB Output is correct
9 Correct 78 ms 137808 KB Output is correct
10 Correct 85 ms 137808 KB Output is correct
11 Correct 80 ms 138012 KB Output is correct
12 Correct 82 ms 137792 KB Output is correct
13 Correct 77 ms 137928 KB Output is correct
14 Correct 78 ms 138276 KB Output is correct
15 Correct 82 ms 138064 KB Output is correct
16 Correct 77 ms 137812 KB Output is correct
17 Correct 78 ms 138080 KB Output is correct
18 Correct 80 ms 138068 KB Output is correct
19 Correct 87 ms 138008 KB Output is correct
20 Correct 80 ms 137708 KB Output is correct
21 Correct 93 ms 137964 KB Output is correct
22 Correct 78 ms 138024 KB Output is correct
23 Correct 79 ms 137844 KB Output is correct
24 Correct 92 ms 138020 KB Output is correct
25 Correct 81 ms 138068 KB Output is correct
26 Correct 78 ms 137904 KB Output is correct
27 Correct 77 ms 137904 KB Output is correct
28 Correct 78 ms 138132 KB Output is correct
29 Correct 80 ms 140116 KB Output is correct
30 Correct 76 ms 137992 KB Output is correct
31 Correct 82 ms 140116 KB Output is correct
32 Correct 77 ms 137972 KB Output is correct
33 Correct 81 ms 140628 KB Output is correct
34 Correct 85 ms 140608 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 137856 KB Output is correct
2 Correct 78 ms 137924 KB Output is correct
3 Correct 79 ms 137860 KB Output is correct
4 Correct 86 ms 137920 KB Output is correct
5 Correct 77 ms 137808 KB Output is correct
6 Correct 76 ms 137808 KB Output is correct
7 Correct 77 ms 137808 KB Output is correct
8 Correct 81 ms 137844 KB Output is correct
9 Correct 81 ms 138280 KB Output is correct
10 Correct 79 ms 137808 KB Output is correct
11 Correct 85 ms 138060 KB Output is correct
12 Correct 87 ms 137936 KB Output is correct
13 Correct 84 ms 137840 KB Output is correct
14 Correct 81 ms 138076 KB Output is correct
15 Correct 78 ms 138064 KB Output is correct
16 Correct 77 ms 137812 KB Output is correct
17 Correct 79 ms 138112 KB Output is correct
18 Correct 77 ms 138068 KB Output is correct
19 Correct 83 ms 138228 KB Output is correct
20 Correct 77 ms 137840 KB Output is correct
21 Correct 91 ms 137820 KB Output is correct
22 Correct 80 ms 137808 KB Output is correct
23 Correct 78 ms 138060 KB Output is correct
24 Correct 78 ms 138068 KB Output is correct
25 Correct 94 ms 138064 KB Output is correct
26 Correct 79 ms 137808 KB Output is correct
27 Correct 77 ms 137812 KB Output is correct
28 Correct 78 ms 138112 KB Output is correct
29 Correct 81 ms 140112 KB Output is correct
30 Correct 79 ms 137920 KB Output is correct
31 Correct 80 ms 140068 KB Output is correct
32 Correct 79 ms 138068 KB Output is correct
33 Correct 91 ms 140636 KB Output is correct
34 Correct 82 ms 140624 KB Output is correct
35 Correct 94 ms 142932 KB Output is correct
36 Correct 83 ms 138324 KB Output is correct
37 Correct 97 ms 144724 KB Output is correct
38 Correct 102 ms 146004 KB Output is correct
39 Correct 105 ms 145876 KB Output is correct
40 Correct 101 ms 145744 KB Output is correct
41 Correct 97 ms 145756 KB Output is correct
42 Correct 85 ms 138452 KB Output is correct
43 Correct 84 ms 138060 KB Output is correct
44 Correct 79 ms 138012 KB Output is correct
45 Correct 142 ms 153316 KB Output is correct
46 Correct 111 ms 153420 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 137804 KB Output is correct
2 Correct 77 ms 137808 KB Output is correct
3 Correct 77 ms 137808 KB Output is correct
4 Correct 83 ms 137848 KB Output is correct
5 Correct 77 ms 137808 KB Output is correct
6 Correct 77 ms 137804 KB Output is correct
7 Correct 77 ms 137808 KB Output is correct
8 Correct 78 ms 137740 KB Output is correct
9 Correct 84 ms 137812 KB Output is correct
10 Correct 78 ms 137812 KB Output is correct
11 Correct 79 ms 138068 KB Output is correct
12 Correct 83 ms 138060 KB Output is correct
13 Correct 76 ms 137812 KB Output is correct
14 Correct 84 ms 138068 KB Output is correct
15 Correct 78 ms 138064 KB Output is correct
16 Correct 78 ms 137808 KB Output is correct
17 Correct 83 ms 138068 KB Output is correct
18 Correct 76 ms 138048 KB Output is correct
19 Correct 84 ms 137888 KB Output is correct
20 Correct 79 ms 137828 KB Output is correct
21 Correct 77 ms 137812 KB Output is correct
22 Correct 77 ms 137808 KB Output is correct
23 Correct 85 ms 138156 KB Output is correct
24 Correct 76 ms 138076 KB Output is correct
25 Correct 80 ms 138064 KB Output is correct
26 Correct 80 ms 137808 KB Output is correct
27 Correct 77 ms 137812 KB Output is correct
28 Correct 78 ms 138236 KB Output is correct
29 Correct 79 ms 140248 KB Output is correct
30 Correct 81 ms 138116 KB Output is correct
31 Correct 78 ms 140116 KB Output is correct
32 Correct 84 ms 137996 KB Output is correct
33 Correct 82 ms 140560 KB Output is correct
34 Correct 82 ms 140632 KB Output is correct
35 Correct 93 ms 143152 KB Output is correct
36 Correct 79 ms 138516 KB Output is correct
37 Correct 93 ms 144720 KB Output is correct
38 Correct 99 ms 145748 KB Output is correct
39 Correct 114 ms 145892 KB Output is correct
40 Correct 99 ms 145800 KB Output is correct
41 Correct 112 ms 145684 KB Output is correct
42 Correct 83 ms 138016 KB Output is correct
43 Correct 87 ms 138112 KB Output is correct
44 Correct 80 ms 137808 KB Output is correct
45 Correct 123 ms 153428 KB Output is correct
46 Correct 112 ms 153172 KB Output is correct
47 Correct 127 ms 161872 KB Output is correct
48 Correct 91 ms 147536 KB Output is correct
49 Correct 89 ms 142928 KB Output is correct
50 Correct 87 ms 142160 KB Output is correct
51 Correct 111 ms 148616 KB Output is correct
52 Correct 112 ms 150892 KB Output is correct
53 Correct 97 ms 143784 KB Output is correct
54 Correct 77 ms 140092 KB Output is correct
55 Correct 78 ms 140096 KB Output is correct
56 Correct 82 ms 140112 KB Output is correct
57 Correct 106 ms 150068 KB Output is correct
58 Correct 81 ms 140368 KB Output is correct
59 Correct 84 ms 140280 KB Output is correct
60 Correct 83 ms 140628 KB Output is correct
61 Correct 90 ms 141392 KB Output is correct
62 Correct 104 ms 153368 KB Output is correct
63 Correct 229 ms 203604 KB Output is correct
64 Correct 220 ms 218008 KB Output is correct
65 Runtime error 235 ms 262144 KB Execution killed with signal 9
66 Halted 0 ms 0 KB -