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Submission #969795

# Submission time Handle Problem Language Result Execution time Memory
969795 2024-04-25T15:42:59 Z pcc Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 455 ms 262144 KB 
#include <bits/stdc++.h>
using namespace std;

#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;
const int mxn = 3e4+10;
const int mxe = mxn*sqrt(mxn)*4;
const int mxv = mxe;

map<pii,vector<int>> mp;
int N,M;
int ecnt,vcnt;
int to[mxe],nid[mxe],wei[mxe];
int head[mxv];
int dist[mxv];
int S,T;

void add_edge(int a,int b,int w){
	ecnt++;
	nid[ecnt] = head[a];
	to[ecnt] = b;
	wei[ecnt] = w;
	head[a] = ecnt;
}

deque<pii> dq;
void BFS(){
	fill(dist,dist+mxv,inf);
	dist[S] = 0;
	dq.push_back(pii(0,S));
	while(!dq.empty()){
		auto [d,now] = dq.front();
		dq.pop_front();
		if(d != dist[now])continue;
		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(pii(dist[nxt],nxt));
				}
			}
			else{
				if(dist[nxt]>dist[now]+w){
					dist[nxt] = dist[now]+w;
					dq.push_back(pii(dist[nxt],nxt));
				}
			}
		}
	}
	return;
}


int main(){
	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 24 ms 87892 KB Output is correct
2 Correct 23 ms 87892 KB Output is correct
3 Correct 23 ms 87892 KB Output is correct
4 Correct 23 ms 87900 KB Output is correct
5 Correct 23 ms 87812 KB Output is correct
6 Correct 23 ms 87896 KB Output is correct
7 Correct 23 ms 87888 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 87888 KB Output is correct
2 Correct 25 ms 87768 KB Output is correct
3 Correct 23 ms 87892 KB Output is correct
4 Correct 23 ms 87740 KB Output is correct
5 Correct 27 ms 87808 KB Output is correct
6 Correct 23 ms 87820 KB Output is correct
7 Correct 23 ms 87776 KB Output is correct
8 Correct 23 ms 87900 KB Output is correct
9 Correct 30 ms 87804 KB Output is correct
10 Correct 23 ms 87896 KB Output is correct
11 Correct 24 ms 88144 KB Output is correct
12 Correct 27 ms 87900 KB Output is correct
13 Correct 27 ms 88020 KB Output is correct
14 Correct 24 ms 88244 KB Output is correct
15 Correct 24 ms 88156 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 87836 KB Output is correct
2 Correct 23 ms 87824 KB Output is correct
3 Correct 25 ms 87976 KB Output is correct
4 Correct 23 ms 87896 KB Output is correct
5 Correct 23 ms 87896 KB Output is correct
6 Correct 23 ms 87900 KB Output is correct
7 Correct 23 ms 87784 KB Output is correct
8 Correct 23 ms 87824 KB Output is correct
9 Correct 23 ms 87900 KB Output is correct
10 Correct 23 ms 87900 KB Output is correct
11 Correct 27 ms 88152 KB Output is correct
12 Correct 24 ms 87808 KB Output is correct
13 Correct 23 ms 88008 KB Output is correct
14 Correct 24 ms 88156 KB Output is correct
15 Correct 28 ms 88228 KB Output is correct
16 Correct 23 ms 87900 KB Output is correct
17 Correct 25 ms 88148 KB Output is correct
18 Correct 24 ms 88060 KB Output is correct
19 Correct 23 ms 87888 KB Output is correct
20 Correct 23 ms 87768 KB Output is correct
21 Correct 24 ms 87900 KB Output is correct
22 Correct 24 ms 87896 KB Output is correct
23 Correct 23 ms 87892 KB Output is correct
24 Correct 24 ms 88148 KB Output is correct
25 Correct 25 ms 88308 KB Output is correct
26 Correct 24 ms 87896 KB Output is correct
27 Correct 24 ms 87884 KB Output is correct
28 Correct 25 ms 90204 KB Output is correct
29 Correct 25 ms 90368 KB Output is correct
30 Correct 24 ms 89948 KB Output is correct
31 Correct 28 ms 90220 KB Output is correct
32 Correct 27 ms 90196 KB Output is correct
33 Correct 28 ms 92796 KB Output is correct
34 Correct 30 ms 92612 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 87892 KB Output is correct
2 Correct 23 ms 87848 KB Output is correct
3 Correct 23 ms 87888 KB Output is correct
4 Correct 30 ms 88004 KB Output is correct
5 Correct 28 ms 87744 KB Output is correct
6 Correct 23 ms 87892 KB Output is correct
7 Correct 23 ms 87836 KB Output is correct
8 Correct 24 ms 87808 KB Output is correct
9 Correct 23 ms 87900 KB Output is correct
10 Correct 23 ms 87876 KB Output is correct
11 Correct 24 ms 88152 KB Output is correct
12 Correct 23 ms 87896 KB Output is correct
13 Correct 23 ms 87764 KB Output is correct
14 Correct 31 ms 88156 KB Output is correct
15 Correct 24 ms 88148 KB Output is correct
16 Correct 24 ms 88072 KB Output is correct
17 Correct 25 ms 88028 KB Output is correct
18 Correct 23 ms 87900 KB Output is correct
19 Correct 25 ms 87900 KB Output is correct
20 Correct 23 ms 87900 KB Output is correct
21 Correct 23 ms 87892 KB Output is correct
22 Correct 23 ms 88148 KB Output is correct
23 Correct 23 ms 87880 KB Output is correct
24 Correct 25 ms 88156 KB Output is correct
25 Correct 24 ms 88156 KB Output is correct
26 Correct 23 ms 87892 KB Output is correct
27 Correct 23 ms 87900 KB Output is correct
28 Correct 25 ms 90200 KB Output is correct
29 Correct 26 ms 90388 KB Output is correct
30 Correct 24 ms 89944 KB Output is correct
31 Correct 25 ms 90068 KB Output is correct
32 Correct 24 ms 90204 KB Output is correct
33 Correct 29 ms 92760 KB Output is correct
34 Correct 29 ms 93008 KB Output is correct
35 Correct 51 ms 95220 KB Output is correct
36 Correct 30 ms 90640 KB Output is correct
37 Correct 40 ms 96848 KB Output is correct
38 Correct 46 ms 98132 KB Output is correct
39 Correct 47 ms 98132 KB Output is correct
40 Correct 46 ms 98388 KB Output is correct
41 Correct 46 ms 98132 KB Output is correct
42 Correct 31 ms 90200 KB Output is correct
43 Correct 30 ms 90204 KB Output is correct
44 Correct 26 ms 88156 KB Output is correct
45 Correct 67 ms 109652 KB Output is correct
46 Correct 66 ms 109836 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 87900 KB Output is correct
2 Correct 26 ms 87760 KB Output is correct
3 Correct 26 ms 87892 KB Output is correct
4 Correct 23 ms 87832 KB Output is correct
5 Correct 23 ms 87900 KB Output is correct
6 Correct 23 ms 87816 KB Output is correct
7 Correct 24 ms 87896 KB Output is correct
8 Correct 23 ms 87896 KB Output is correct
9 Correct 23 ms 87980 KB Output is correct
10 Correct 27 ms 88032 KB Output is correct
11 Correct 26 ms 87984 KB Output is correct
12 Correct 28 ms 87812 KB Output is correct
13 Correct 24 ms 87996 KB Output is correct
14 Correct 24 ms 88268 KB Output is correct
15 Correct 24 ms 88268 KB Output is correct
16 Correct 24 ms 87900 KB Output is correct
17 Correct 24 ms 88156 KB Output is correct
18 Correct 23 ms 87920 KB Output is correct
19 Correct 23 ms 87900 KB Output is correct
20 Correct 23 ms 87804 KB Output is correct
21 Correct 24 ms 87900 KB Output is correct
22 Correct 23 ms 87900 KB Output is correct
23 Correct 24 ms 87900 KB Output is correct
24 Correct 24 ms 88276 KB Output is correct
25 Correct 26 ms 88156 KB Output is correct
26 Correct 25 ms 87896 KB Output is correct
27 Correct 24 ms 87892 KB Output is correct
28 Correct 25 ms 90376 KB Output is correct
29 Correct 25 ms 90204 KB Output is correct
30 Correct 31 ms 90108 KB Output is correct
31 Correct 26 ms 90060 KB Output is correct
32 Correct 25 ms 90192 KB Output is correct
33 Correct 29 ms 92756 KB Output is correct
34 Correct 28 ms 92752 KB Output is correct
35 Correct 41 ms 95340 KB Output is correct
36 Correct 26 ms 90460 KB Output is correct
37 Correct 40 ms 96872 KB Output is correct
38 Correct 46 ms 98132 KB Output is correct
39 Correct 59 ms 98132 KB Output is correct
40 Correct 46 ms 97988 KB Output is correct
41 Correct 45 ms 98132 KB Output is correct
42 Correct 27 ms 90196 KB Output is correct
43 Correct 29 ms 90200 KB Output is correct
44 Correct 27 ms 88144 KB Output is correct
45 Correct 73 ms 109652 KB Output is correct
46 Correct 77 ms 109812 KB Output is correct
47 Correct 81 ms 120400 KB Output is correct
48 Correct 37 ms 99656 KB Output is correct
49 Correct 41 ms 97196 KB Output is correct
50 Correct 32 ms 96348 KB Output is correct
51 Correct 55 ms 102740 KB Output is correct
52 Correct 57 ms 105044 KB Output is correct
53 Correct 43 ms 95828 KB Output is correct
54 Correct 23 ms 89936 KB Output is correct
55 Correct 24 ms 90204 KB Output is correct
56 Correct 28 ms 90452 KB Output is correct
57 Correct 42 ms 106516 KB Output is correct
58 Correct 28 ms 92620 KB Output is correct
59 Correct 32 ms 92500 KB Output is correct
60 Correct 30 ms 95012 KB Output is correct
61 Correct 31 ms 93212 KB Output is correct
62 Correct 56 ms 111600 KB Output is correct
63 Correct 189 ms 180820 KB Output is correct
64 Correct 188 ms 200820 KB Output is correct
65 Correct 455 ms 248656 KB Output is correct
66 Runtime error 104 ms 262144 KB Execution killed with signal 9
67 Halted 0 ms 0 KB -