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답안 #338742

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
338742 2020-12-23T19:26:58 Z ogibogi2004 Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 162368 KB 
#include<bits/stdc++.h>
using namespace std;
const int MAXN=3e4+12;
const int INF=2e9;
int n,m;
struct doge
{
	int p,pos;
	bool operator<(const doge& other)
	{
		if(pos!=other.pos)return pos<other.pos;
		return p<=other.p;
	}
}d[MAXN];
struct state
{
	int pos,p,d;
	bool operator<(state const& other)const
	{
		if(d!=other.d)return d>other.d;
		return make_pair(p,pos)<make_pair(other.p,other.pos);
	}
};
set<pair<int,int> >doges;
set<int>doges1[MAXN];
vector<int>states;
unordered_map<int,int>dist;
int main()
{
	srand(65435);
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	cin>>n>>m;
	for(int i=0;i<m;++i)
	{
		cin>>d[i].pos>>d[i].p;
		doges.insert({d[i].p,d[i].pos%d[i].p});
		doges1[d[i].pos].insert(d[i].p);
	}
	for(auto t:doges)
	{
		for(int i=t.second;i<n;i+=t.first)
		{
			states.push_back(i*MAXN+t.first);
		}
	}
	dist.reserve(states.size());
	dist.max_load_factor(0.25);
	for(auto s:states)
	{
		dist[s]=INF;
	}
	priority_queue<state>pq;
	pq.push({d[0].pos,d[0].p,0});
	dist[d[0].pos*MAXN+d[0].p]=0;
	while(!pq.empty())
	{
		state u=pq.top();pq.pop();
		if(dist[u.pos*MAXN+u.p]<u.d)continue;
		if(u.pos==d[1].pos&&u.p==d[1].p)break;
		doges1[u.pos].erase(u.p);
		for(auto d1:doges1[u.pos])
		{
			if(dist[u.pos*MAXN+d1]>u.d)
			{
				dist[u.pos*MAXN+d1]=u.d;
				pq.push({u.pos,d1,u.d});
			}
		}
		state v=u;
		if(v.pos-v.p>=0)
		{
			v.pos-=v.p;
			if(dist[v.pos*MAXN+v.p]>u.d+1)
			{
				v.d=u.d+1;
				dist[v.pos*MAXN+v.p]=v.d;
				pq.push(v);
			}
		}
		v=u;
		if(v.pos+v.p<n)
		{
			v.pos+=v.p;
			if(dist[v.pos*MAXN+v.p]>u.d+1)
			{
				v.d=u.d+1;
				dist[v.pos*MAXN+v.p]=v.d;
				pq.push(v);
			}
		}
	}
	if(dist[d[1].pos*MAXN+d[1].p]==INF)
	{
		cout<<-1<<"\n";
	}
	else cout<<dist[d[1].pos*MAXN+d[1].p]<<"\n";
return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1772 KB Output is correct
2 Correct 1 ms 1772 KB Output is correct
3 Correct 1 ms 1772 KB Output is correct
4 Correct 1 ms 1772 KB Output is correct
5 Correct 1 ms 1772 KB Output is correct
6 Correct 1 ms 1772 KB Output is correct
7 Correct 1 ms 1772 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1772 KB Output is correct
2 Correct 1 ms 1772 KB Output is correct
3 Correct 2 ms 1776 KB Output is correct
4 Correct 1 ms 1772 KB Output is correct
5 Correct 1 ms 1772 KB Output is correct
6 Correct 1 ms 1772 KB Output is correct
7 Correct 1 ms 1772 KB Output is correct
8 Correct 1 ms 1772 KB Output is correct
9 Correct 1 ms 1772 KB Output is correct
10 Correct 2 ms 1900 KB Output is correct
11 Correct 3 ms 2156 KB Output is correct
12 Correct 2 ms 1772 KB Output is correct
13 Correct 2 ms 1772 KB Output is correct
14 Correct 5 ms 2412 KB Output is correct
15 Correct 6 ms 2412 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1772 KB Output is correct
2 Correct 2 ms 1772 KB Output is correct
3 Correct 1 ms 1772 KB Output is correct
4 Correct 1 ms 1772 KB Output is correct
5 Correct 1 ms 1772 KB Output is correct
6 Correct 1 ms 1772 KB Output is correct
7 Correct 1 ms 1772 KB Output is correct
8 Correct 1 ms 1772 KB Output is correct
9 Correct 1 ms 1772 KB Output is correct
10 Correct 2 ms 1900 KB Output is correct
11 Correct 3 ms 2156 KB Output is correct
12 Correct 2 ms 1772 KB Output is correct
13 Correct 2 ms 1772 KB Output is correct
14 Correct 6 ms 2412 KB Output is correct
15 Correct 6 ms 2412 KB Output is correct
16 Correct 2 ms 2156 KB Output is correct
17 Correct 5 ms 2936 KB Output is correct
18 Correct 3 ms 2284 KB Output is correct
19 Correct 2 ms 2156 KB Output is correct
20 Correct 2 ms 2028 KB Output is correct
21 Correct 2 ms 2028 KB Output is correct
22 Correct 2 ms 2284 KB Output is correct
23 Correct 3 ms 2284 KB Output is correct
24 Correct 6 ms 2844 KB Output is correct
25 Correct 3 ms 2540 KB Output is correct
26 Correct 3 ms 2284 KB Output is correct
27 Correct 3 ms 2284 KB Output is correct
28 Correct 8 ms 3628 KB Output is correct
29 Correct 23 ms 6052 KB Output is correct
30 Correct 7 ms 3012 KB Output is correct
31 Correct 12 ms 4068 KB Output is correct
32 Correct 9 ms 3500 KB Output is correct
33 Correct 44 ms 10504 KB Output is correct
34 Correct 34 ms 10504 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1772 KB Output is correct
2 Correct 2 ms 1772 KB Output is correct
3 Correct 1 ms 1772 KB Output is correct
4 Correct 1 ms 1772 KB Output is correct
5 Correct 1 ms 1772 KB Output is correct
6 Correct 1 ms 1772 KB Output is correct
7 Correct 1 ms 1772 KB Output is correct
8 Correct 1 ms 1772 KB Output is correct
9 Correct 1 ms 1772 KB Output is correct
10 Correct 2 ms 1900 KB Output is correct
11 Correct 3 ms 2156 KB Output is correct
12 Correct 2 ms 1772 KB Output is correct
13 Correct 2 ms 1772 KB Output is correct
14 Correct 5 ms 2412 KB Output is correct
15 Correct 5 ms 2412 KB Output is correct
16 Correct 3 ms 2156 KB Output is correct
17 Correct 5 ms 2936 KB Output is correct
18 Correct 3 ms 2284 KB Output is correct
19 Correct 2 ms 2156 KB Output is correct
20 Correct 2 ms 2028 KB Output is correct
21 Correct 2 ms 2028 KB Output is correct
22 Correct 2 ms 2284 KB Output is correct
23 Correct 3 ms 2284 KB Output is correct
24 Correct 6 ms 2844 KB Output is correct
25 Correct 3 ms 2540 KB Output is correct
26 Correct 3 ms 2284 KB Output is correct
27 Correct 3 ms 2284 KB Output is correct
28 Correct 7 ms 3628 KB Output is correct
29 Correct 24 ms 6052 KB Output is correct
30 Correct 7 ms 3012 KB Output is correct
31 Correct 14 ms 4068 KB Output is correct
32 Correct 9 ms 3500 KB Output is correct
33 Correct 45 ms 10504 KB Output is correct
34 Correct 35 ms 10504 KB Output is correct
35 Correct 65 ms 11832 KB Output is correct
36 Correct 7 ms 3540 KB Output is correct
37 Correct 59 ms 15744 KB Output is correct
38 Correct 64 ms 16412 KB Output is correct
39 Correct 55 ms 16540 KB Output is correct
40 Correct 58 ms 16416 KB Output is correct
41 Correct 84 ms 16608 KB Output is correct
42 Correct 8 ms 2540 KB Output is correct
43 Correct 8 ms 2540 KB Output is correct
44 Correct 8 ms 2156 KB Output is correct
45 Correct 291 ms 38012 KB Output is correct
46 Correct 238 ms 37968 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1772 KB Output is correct
2 Correct 1 ms 1772 KB Output is correct
3 Correct 1 ms 1772 KB Output is correct
4 Correct 1 ms 1772 KB Output is correct
5 Correct 1 ms 1772 KB Output is correct
6 Correct 1 ms 1772 KB Output is correct
7 Correct 1 ms 1772 KB Output is correct
8 Correct 1 ms 1772 KB Output is correct
9 Correct 1 ms 1772 KB Output is correct
10 Correct 2 ms 1900 KB Output is correct
11 Correct 3 ms 2156 KB Output is correct
12 Correct 2 ms 1772 KB Output is correct
13 Correct 2 ms 1772 KB Output is correct
14 Correct 5 ms 2412 KB Output is correct
15 Correct 5 ms 2412 KB Output is correct
16 Correct 2 ms 2156 KB Output is correct
17 Correct 5 ms 2936 KB Output is correct
18 Correct 3 ms 2304 KB Output is correct
19 Correct 2 ms 2156 KB Output is correct
20 Correct 2 ms 2028 KB Output is correct
21 Correct 2 ms 2028 KB Output is correct
22 Correct 3 ms 2284 KB Output is correct
23 Correct 3 ms 2284 KB Output is correct
24 Correct 6 ms 2844 KB Output is correct
25 Correct 3 ms 2540 KB Output is correct
26 Correct 3 ms 2284 KB Output is correct
27 Correct 3 ms 2284 KB Output is correct
28 Correct 7 ms 3628 KB Output is correct
29 Correct 24 ms 6052 KB Output is correct
30 Correct 7 ms 3012 KB Output is correct
31 Correct 12 ms 4068 KB Output is correct
32 Correct 10 ms 3500 KB Output is correct
33 Correct 47 ms 10504 KB Output is correct
34 Correct 35 ms 10504 KB Output is correct
35 Correct 63 ms 11776 KB Output is correct
36 Correct 7 ms 3540 KB Output is correct
37 Correct 58 ms 15712 KB Output is correct
38 Correct 66 ms 16412 KB Output is correct
39 Correct 54 ms 16412 KB Output is correct
40 Correct 60 ms 16416 KB Output is correct
41 Correct 85 ms 16608 KB Output is correct
42 Correct 7 ms 2540 KB Output is correct
43 Correct 8 ms 2540 KB Output is correct
44 Correct 6 ms 2156 KB Output is correct
45 Correct 293 ms 38096 KB Output is correct
46 Correct 238 ms 38096 KB Output is correct
47 Correct 206 ms 56528 KB Output is correct
48 Correct 71 ms 20268 KB Output is correct
49 Correct 45 ms 13920 KB Output is correct
50 Correct 38 ms 13276 KB Output is correct
51 Correct 122 ms 26868 KB Output is correct
52 Correct 140 ms 28708 KB Output is correct
53 Correct 45 ms 11024 KB Output is correct
54 Correct 7 ms 3856 KB Output is correct
55 Correct 11 ms 5676 KB Output is correct
56 Correct 15 ms 5496 KB Output is correct
57 Correct 85 ms 32076 KB Output is correct
58 Correct 22 ms 6620 KB Output is correct
59 Correct 27 ms 8800 KB Output is correct
60 Correct 34 ms 10640 KB Output is correct
61 Correct 56 ms 10196 KB Output is correct
62 Correct 230 ms 40072 KB Output is correct
63 Execution timed out 1110 ms 162368 KB Time limit exceeded
64 Halted 0 ms 0 KB -