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Submission #969809

# Submission time Handle Problem Language Result Execution time Memory
969809 2024-04-25T15:51:22 Z pcc Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 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<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)*3;
const int mxv = mxe;

map<pii,vector<int>> mp;
int N,M;
int ecnt,vcnt;
int to[mxe],nid[mxe];
bool wei[mxe];
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;
}

deque<pii> dq;
void BFS(){
	assert(clock()-ts<=0.95*CLOCKS_PER_SEC);
	fill(dist,dist+mxv,inf);
	dist[S] = 0;
	dq.push_back(pii(0,S));
	while(!dq.empty()){
		auto [d,now] = dq.front();
		if(now == T)break;
		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(){
	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 22 ms 67408 KB Output is correct
2 Correct 10 ms 67420 KB Output is correct
3 Correct 10 ms 67504 KB Output is correct
4 Correct 10 ms 67420 KB Output is correct
5 Correct 9 ms 67420 KB Output is correct
6 Correct 9 ms 67528 KB Output is correct
7 Correct 10 ms 67420 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 67420 KB Output is correct
2 Correct 10 ms 67420 KB Output is correct
3 Correct 9 ms 67420 KB Output is correct
4 Correct 9 ms 67416 KB Output is correct
5 Correct 9 ms 67420 KB Output is correct
6 Correct 9 ms 67420 KB Output is correct
7 Correct 9 ms 67420 KB Output is correct
8 Correct 9 ms 67532 KB Output is correct
9 Correct 9 ms 67420 KB Output is correct
10 Correct 9 ms 67672 KB Output is correct
11 Correct 10 ms 67676 KB Output is correct
12 Correct 10 ms 67672 KB Output is correct
13 Correct 10 ms 67676 KB Output is correct
14 Correct 10 ms 67752 KB Output is correct
15 Correct 12 ms 67676 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 67420 KB Output is correct
2 Correct 9 ms 67420 KB Output is correct
3 Correct 9 ms 67420 KB Output is correct
4 Correct 9 ms 67420 KB Output is correct
5 Correct 9 ms 67420 KB Output is correct
6 Correct 9 ms 67420 KB Output is correct
7 Correct 11 ms 67420 KB Output is correct
8 Correct 9 ms 67536 KB Output is correct
9 Correct 9 ms 67420 KB Output is correct
10 Correct 9 ms 67676 KB Output is correct
11 Correct 10 ms 67672 KB Output is correct
12 Correct 9 ms 67676 KB Output is correct
13 Correct 9 ms 67676 KB Output is correct
14 Correct 10 ms 67676 KB Output is correct
15 Correct 10 ms 67932 KB Output is correct
16 Correct 10 ms 67604 KB Output is correct
17 Correct 10 ms 67676 KB Output is correct
18 Correct 9 ms 67672 KB Output is correct
19 Correct 9 ms 67672 KB Output is correct
20 Correct 9 ms 67672 KB Output is correct
21 Correct 9 ms 67676 KB Output is correct
22 Correct 9 ms 67628 KB Output is correct
23 Correct 10 ms 67676 KB Output is correct
24 Correct 10 ms 68184 KB Output is correct
25 Correct 10 ms 67676 KB Output is correct
26 Correct 9 ms 67676 KB Output is correct
27 Correct 10 ms 67552 KB Output is correct
28 Correct 11 ms 67932 KB Output is correct
29 Correct 11 ms 69876 KB Output is correct
30 Correct 10 ms 67676 KB Output is correct
31 Correct 10 ms 69724 KB Output is correct
32 Correct 10 ms 67700 KB Output is correct
33 Correct 15 ms 72284 KB Output is correct
34 Correct 13 ms 72284 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 67420 KB Output is correct
2 Correct 9 ms 67420 KB Output is correct
3 Correct 9 ms 67420 KB Output is correct
4 Correct 9 ms 67472 KB Output is correct
5 Correct 9 ms 67420 KB Output is correct
6 Correct 9 ms 67488 KB Output is correct
7 Correct 9 ms 67420 KB Output is correct
8 Correct 9 ms 67420 KB Output is correct
9 Correct 9 ms 67420 KB Output is correct
10 Correct 9 ms 67676 KB Output is correct
11 Correct 10 ms 67720 KB Output is correct
12 Correct 9 ms 67676 KB Output is correct
13 Correct 9 ms 67672 KB Output is correct
14 Correct 10 ms 67676 KB Output is correct
15 Correct 10 ms 67784 KB Output is correct
16 Correct 9 ms 67672 KB Output is correct
17 Correct 11 ms 67676 KB Output is correct
18 Correct 10 ms 67676 KB Output is correct
19 Correct 9 ms 67672 KB Output is correct
20 Correct 9 ms 67924 KB Output is correct
21 Correct 9 ms 67672 KB Output is correct
22 Correct 9 ms 67676 KB Output is correct
23 Correct 9 ms 67672 KB Output is correct
24 Correct 10 ms 67932 KB Output is correct
25 Correct 10 ms 67672 KB Output is correct
26 Correct 10 ms 67672 KB Output is correct
27 Correct 10 ms 67676 KB Output is correct
28 Correct 10 ms 67808 KB Output is correct
29 Correct 12 ms 69980 KB Output is correct
30 Correct 10 ms 67676 KB Output is correct
31 Correct 10 ms 69784 KB Output is correct
32 Correct 10 ms 67672 KB Output is correct
33 Correct 14 ms 72284 KB Output is correct
34 Correct 13 ms 72284 KB Output is correct
35 Correct 26 ms 75032 KB Output is correct
36 Correct 11 ms 68188 KB Output is correct
37 Correct 22 ms 74588 KB Output is correct
38 Correct 28 ms 75612 KB Output is correct
39 Correct 26 ms 75612 KB Output is correct
40 Correct 27 ms 75604 KB Output is correct
41 Correct 29 ms 75504 KB Output is correct
42 Correct 12 ms 67932 KB Output is correct
43 Correct 13 ms 67828 KB Output is correct
44 Correct 12 ms 68184 KB Output is correct
45 Correct 55 ms 87364 KB Output is correct
46 Correct 43 ms 87380 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 67416 KB Output is correct
2 Correct 9 ms 67420 KB Output is correct
3 Correct 9 ms 67808 KB Output is correct
4 Correct 10 ms 67420 KB Output is correct
5 Correct 9 ms 67584 KB Output is correct
6 Correct 9 ms 67420 KB Output is correct
7 Correct 9 ms 67420 KB Output is correct
8 Correct 9 ms 67420 KB Output is correct
9 Correct 9 ms 67484 KB Output is correct
10 Correct 10 ms 67676 KB Output is correct
11 Correct 10 ms 67712 KB Output is correct
12 Correct 10 ms 67672 KB Output is correct
13 Correct 9 ms 67676 KB Output is correct
14 Correct 10 ms 67932 KB Output is correct
15 Correct 10 ms 67676 KB Output is correct
16 Correct 9 ms 67676 KB Output is correct
17 Correct 11 ms 67676 KB Output is correct
18 Correct 9 ms 67676 KB Output is correct
19 Correct 9 ms 67576 KB Output is correct
20 Correct 9 ms 67504 KB Output is correct
21 Correct 9 ms 67676 KB Output is correct
22 Correct 9 ms 67672 KB Output is correct
23 Correct 10 ms 67672 KB Output is correct
24 Correct 10 ms 67932 KB Output is correct
25 Correct 11 ms 67680 KB Output is correct
26 Correct 9 ms 67676 KB Output is correct
27 Correct 9 ms 67672 KB Output is correct
28 Correct 11 ms 67928 KB Output is correct
29 Correct 11 ms 69980 KB Output is correct
30 Correct 11 ms 67568 KB Output is correct
31 Correct 11 ms 69724 KB Output is correct
32 Correct 10 ms 67676 KB Output is correct
33 Correct 15 ms 72284 KB Output is correct
34 Correct 13 ms 72476 KB Output is correct
35 Correct 26 ms 74832 KB Output is correct
36 Correct 12 ms 68188 KB Output is correct
37 Correct 22 ms 74464 KB Output is correct
38 Correct 28 ms 75612 KB Output is correct
39 Correct 27 ms 75524 KB Output is correct
40 Correct 27 ms 75608 KB Output is correct
41 Correct 27 ms 75612 KB Output is correct
42 Correct 12 ms 67928 KB Output is correct
43 Correct 13 ms 67928 KB Output is correct
44 Correct 12 ms 67928 KB Output is correct
45 Correct 54 ms 87372 KB Output is correct
46 Correct 45 ms 87384 KB Output is correct
47 Correct 33 ms 93540 KB Output is correct
48 Correct 24 ms 77196 KB Output is correct
49 Correct 22 ms 74588 KB Output is correct
50 Correct 18 ms 73820 KB Output is correct
51 Correct 35 ms 80476 KB Output is correct
52 Correct 34 ms 80672 KB Output is correct
53 Correct 28 ms 75440 KB Output is correct
54 Correct 11 ms 69724 KB Output is correct
55 Correct 11 ms 69724 KB Output is correct
56 Correct 19 ms 69980 KB Output is correct
57 Correct 18 ms 83804 KB Output is correct
58 Correct 14 ms 72284 KB Output is correct
59 Correct 16 ms 72284 KB Output is correct
60 Correct 15 ms 72540 KB Output is correct
61 Correct 15 ms 72796 KB Output is correct
62 Correct 51 ms 87336 KB Output is correct
63 Correct 158 ms 139352 KB Output is correct
64 Correct 157 ms 155888 KB Output is correct
65 Correct 396 ms 193572 KB Output is correct
66 Execution timed out 2304 ms 262148 KB Time limit exceeded
67 Halted 0 ms 0 KB -