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답안 #338748

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
338748 2020-12-23T19:37:08 Z ogibogi2004 Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 104116 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(654);
	int e=rand();
	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());
	for(auto s:states)
	{
		dist[(s^e)]=INF;
	}
	priority_queue<state>pq;
	pq.push({d[0].pos,d[0].p,0});
	dist[(d[0].pos*MAXN+d[0].p)^e]=0;
	while(!pq.empty())
	{
		state u=pq.top();pq.pop();
		if(dist[(u.pos*MAXN+u.p)^e]<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)^e]>u.d)
			{
				dist[(u.pos*MAXN+d1)^e]=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)^e]>u.d+1)
			{
				v.d=u.d+1;
				dist[(v.pos*MAXN+v.p)^e]=v.d;
				pq.push(v);
			}
		}
		v=u;
		if(v.pos+v.p<n)
		{
			v.pos+=v.p;
			if(dist[(v.pos*MAXN+v.p)^e]>u.d+1)
			{
				v.d=u.d+1;
				dist[(v.pos*MAXN+v.p)^e]=v.d;
				pq.push(v);
			}
		}
	}
	if(dist[(d[1].pos*MAXN+d[1].p)^e]==INF)
	{
		cout<<-1<<"\n";
	}
	else cout<<dist[(d[1].pos*MAXN+d[1].p)^e]<<"\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 2 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 2 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 2 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 3 ms 1772 KB Output is correct
14 Correct 6 ms 2284 KB Output is correct
15 Correct 5 ms 2284 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 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 2 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 2284 KB Output is correct
15 Correct 5 ms 2284 KB Output is correct
16 Correct 2 ms 2028 KB Output is correct
17 Correct 5 ms 2668 KB Output is correct
18 Correct 3 ms 2156 KB Output is correct
19 Correct 3 ms 2028 KB Output is correct
20 Correct 2 ms 1900 KB Output is correct
21 Correct 2 ms 2028 KB Output is correct
22 Correct 3 ms 2028 KB Output is correct
23 Correct 4 ms 2156 KB Output is correct
24 Correct 6 ms 2540 KB Output is correct
25 Correct 4 ms 2284 KB Output is correct
26 Correct 3 ms 2156 KB Output is correct
27 Correct 3 ms 2156 KB Output is correct
28 Correct 9 ms 2924 KB Output is correct
29 Correct 27 ms 4584 KB Output is correct
30 Correct 7 ms 2540 KB Output is correct
31 Correct 14 ms 3304 KB Output is correct
32 Correct 10 ms 2796 KB Output is correct
33 Correct 55 ms 7396 KB Output is correct
34 Correct 40 ms 7268 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 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 2 ms 1772 KB Output is correct
9 Correct 2 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 2284 KB Output is correct
15 Correct 5 ms 2284 KB Output is correct
16 Correct 2 ms 2028 KB Output is correct
17 Correct 5 ms 2668 KB Output is correct
18 Correct 3 ms 2156 KB Output is correct
19 Correct 2 ms 2028 KB Output is correct
20 Correct 3 ms 1900 KB Output is correct
21 Correct 2 ms 2028 KB Output is correct
22 Correct 3 ms 2156 KB Output is correct
23 Correct 4 ms 2156 KB Output is correct
24 Correct 6 ms 2540 KB Output is correct
25 Correct 3 ms 2304 KB Output is correct
26 Correct 3 ms 2156 KB Output is correct
27 Correct 3 ms 2156 KB Output is correct
28 Correct 7 ms 2924 KB Output is correct
29 Correct 25 ms 4456 KB Output is correct
30 Correct 7 ms 2540 KB Output is correct
31 Correct 13 ms 3304 KB Output is correct
32 Correct 10 ms 2796 KB Output is correct
33 Correct 56 ms 7268 KB Output is correct
34 Correct 41 ms 7268 KB Output is correct
35 Correct 61 ms 9192 KB Output is correct
36 Correct 8 ms 3180 KB Output is correct
37 Correct 60 ms 11488 KB Output is correct
38 Correct 63 ms 12132 KB Output is correct
39 Correct 51 ms 11748 KB Output is correct
40 Correct 54 ms 12028 KB Output is correct
41 Correct 90 ms 12496 KB Output is correct
42 Correct 7 ms 2284 KB Output is correct
43 Correct 8 ms 2284 KB Output is correct
44 Correct 6 ms 2156 KB Output is correct
45 Correct 443 ms 26460 KB Output is correct
46 Correct 335 ms 26332 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 1644 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 2284 KB Output is correct
15 Correct 6 ms 2284 KB Output is correct
16 Correct 2 ms 2028 KB Output is correct
17 Correct 5 ms 2668 KB Output is correct
18 Correct 3 ms 2156 KB Output is correct
19 Correct 2 ms 2028 KB Output is correct
20 Correct 2 ms 1900 KB Output is correct
21 Correct 3 ms 2048 KB Output is correct
22 Correct 3 ms 2028 KB Output is correct
23 Correct 4 ms 2156 KB Output is correct
24 Correct 7 ms 2540 KB Output is correct
25 Correct 4 ms 2284 KB Output is correct
26 Correct 3 ms 2156 KB Output is correct
27 Correct 3 ms 2156 KB Output is correct
28 Correct 7 ms 2924 KB Output is correct
29 Correct 25 ms 4604 KB Output is correct
30 Correct 7 ms 2540 KB Output is correct
31 Correct 13 ms 3304 KB Output is correct
32 Correct 10 ms 2796 KB Output is correct
33 Correct 57 ms 7268 KB Output is correct
34 Correct 42 ms 7396 KB Output is correct
35 Correct 72 ms 9192 KB Output is correct
36 Correct 7 ms 3052 KB Output is correct
37 Correct 57 ms 11488 KB Output is correct
38 Correct 69 ms 12132 KB Output is correct
39 Correct 51 ms 11748 KB Output is correct
40 Correct 78 ms 11916 KB Output is correct
41 Correct 91 ms 12516 KB Output is correct
42 Correct 7 ms 2284 KB Output is correct
43 Correct 8 ms 2284 KB Output is correct
44 Correct 6 ms 2156 KB Output is correct
45 Correct 450 ms 26204 KB Output is correct
46 Correct 324 ms 26204 KB Output is correct
47 Correct 248 ms 36696 KB Output is correct
48 Correct 69 ms 14184 KB Output is correct
49 Correct 44 ms 10212 KB Output is correct
50 Correct 35 ms 9440 KB Output is correct
51 Correct 130 ms 18908 KB Output is correct
52 Correct 161 ms 20060 KB Output is correct
53 Correct 51 ms 8676 KB Output is correct
54 Correct 7 ms 3052 KB Output is correct
55 Correct 11 ms 4080 KB Output is correct
56 Correct 18 ms 4716 KB Output is correct
57 Correct 121 ms 20576 KB Output is correct
58 Correct 32 ms 4844 KB Output is correct
59 Correct 28 ms 6124 KB Output is correct
60 Correct 32 ms 7404 KB Output is correct
61 Correct 60 ms 7012 KB Output is correct
62 Correct 261 ms 26204 KB Output is correct
63 Execution timed out 1089 ms 104116 KB Time limit exceeded
64 Halted 0 ms 0 KB -