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답안 #338741

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
338741 2020-12-23T19:25:58 Z ogibogi2004 Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 104196 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()+2);
	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 2 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 1792 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 4 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

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 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 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 2 ms 1900 KB Output is correct
21 Correct 2 ms 2028 KB Output is correct
22 Correct 2 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 3 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 6 ms 2924 KB Output is correct
29 Correct 21 ms 4456 KB Output is correct
30 Correct 6 ms 2540 KB Output is correct
31 Correct 11 ms 3304 KB Output is correct
32 Correct 8 ms 2796 KB Output is correct
33 Correct 42 ms 7396 KB Output is correct
34 Correct 31 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 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 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 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 3 ms 2284 KB Output is correct
26 Correct 3 ms 2156 KB Output is correct
27 Correct 4 ms 2156 KB Output is correct
28 Correct 6 ms 2924 KB Output is correct
29 Correct 22 ms 4456 KB Output is correct
30 Correct 6 ms 2540 KB Output is correct
31 Correct 12 ms 3304 KB Output is correct
32 Correct 8 ms 2796 KB Output is correct
33 Correct 41 ms 7268 KB Output is correct
34 Correct 32 ms 7268 KB Output is correct
35 Correct 59 ms 9180 KB Output is correct
36 Correct 6 ms 3052 KB Output is correct
37 Correct 53 ms 11488 KB Output is correct
38 Correct 59 ms 12132 KB Output is correct
39 Correct 47 ms 11768 KB Output is correct
40 Correct 49 ms 11880 KB Output is correct
41 Correct 79 ms 12388 KB Output is correct
42 Correct 10 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 334 ms 26204 KB Output is correct
46 Correct 239 ms 26204 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 1792 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 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 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 5 ms 2540 KB Output is correct
25 Correct 3 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 22 ms 4456 KB Output is correct
30 Correct 7 ms 2540 KB Output is correct
31 Correct 12 ms 3304 KB Output is correct
32 Correct 8 ms 2796 KB Output is correct
33 Correct 41 ms 7268 KB Output is correct
34 Correct 30 ms 7268 KB Output is correct
35 Correct 61 ms 9192 KB Output is correct
36 Correct 7 ms 3052 KB Output is correct
37 Correct 54 ms 11488 KB Output is correct
38 Correct 56 ms 12132 KB Output is correct
39 Correct 46 ms 11748 KB Output is correct
40 Correct 51 ms 11880 KB Output is correct
41 Correct 76 ms 12388 KB Output is correct
42 Correct 7 ms 2284 KB Output is correct
43 Correct 7 ms 2284 KB Output is correct
44 Correct 6 ms 2156 KB Output is correct
45 Correct 327 ms 26332 KB Output is correct
46 Correct 241 ms 26204 KB Output is correct
47 Correct 173 ms 36696 KB Output is correct
48 Correct 58 ms 14184 KB Output is correct
49 Correct 39 ms 10212 KB Output is correct
50 Correct 32 ms 9568 KB Output is correct
51 Correct 117 ms 18652 KB Output is correct
52 Correct 133 ms 19932 KB Output is correct
53 Correct 37 ms 8804 KB Output is correct
54 Correct 5 ms 3052 KB Output is correct
55 Correct 9 ms 4080 KB Output is correct
56 Correct 14 ms 4716 KB Output is correct
57 Correct 50 ms 20576 KB Output is correct
58 Correct 18 ms 4844 KB Output is correct
59 Correct 22 ms 6124 KB Output is correct
60 Correct 29 ms 7404 KB Output is correct
61 Correct 56 ms 7012 KB Output is correct
62 Correct 232 ms 26204 KB Output is correct
63 Execution timed out 1090 ms 104196 KB Time limit exceeded
64 Halted 0 ms 0 KB -