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Submission #338737

# Submission time Handle Problem Language Result Execution time Memory
338737 2020-12-23T19:22:41 Z ogibogi2004 Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 131812 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);
		}
	}
	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

# Verdict Execution time Memory Grader output
1 Correct 2 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

# Verdict Execution time Memory 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 2 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

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory 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 2 ms 1772 KB Output is correct
10 Correct 2 ms 1900 KB Output is correct
11 Correct 4 ms 2304 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 2028 KB Output is correct
21 Correct 3 ms 2028 KB Output is correct
22 Correct 2 ms 2176 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 2412 KB Output is correct
26 Correct 3 ms 2284 KB Output is correct
27 Correct 3 ms 2156 KB Output is correct
28 Correct 7 ms 3072 KB Output is correct
29 Correct 26 ms 4468 KB Output is correct
30 Correct 7 ms 2668 KB Output is correct
31 Correct 14 ms 3688 KB Output is correct
32 Correct 9 ms 2924 KB Output is correct
33 Correct 56 ms 7164 KB Output is correct
34 Correct 34 ms 7164 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1772 KB Output is correct
2 Correct 2 ms 1772 KB Output is correct
3 Correct 2 ms 1772 KB Output is correct
4 Correct 2 ms 1772 KB Output is correct
5 Correct 2 ms 1772 KB Output is correct
6 Correct 1 ms 1772 KB Output is correct
7 Correct 2 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 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 3 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 2028 KB Output is correct
21 Correct 3 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 4 ms 2412 KB Output is correct
26 Correct 4 ms 2284 KB Output is correct
27 Correct 4 ms 2156 KB Output is correct
28 Correct 7 ms 3052 KB Output is correct
29 Correct 25 ms 4468 KB Output is correct
30 Correct 7 ms 2700 KB Output is correct
31 Correct 14 ms 3688 KB Output is correct
32 Correct 9 ms 2924 KB Output is correct
33 Correct 50 ms 7164 KB Output is correct
34 Correct 41 ms 7292 KB Output is correct
35 Correct 72 ms 9344 KB Output is correct
36 Correct 9 ms 3180 KB Output is correct
37 Correct 74 ms 12164 KB Output is correct
38 Correct 73 ms 12808 KB Output is correct
39 Correct 62 ms 12444 KB Output is correct
40 Correct 65 ms 12556 KB Output is correct
41 Correct 115 ms 13064 KB Output is correct
42 Correct 7 ms 2412 KB Output is correct
43 Correct 11 ms 2284 KB Output is correct
44 Correct 9 ms 2156 KB Output is correct
45 Correct 458 ms 26700 KB Output is correct
46 Correct 349 ms 26632 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory 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 2 ms 1772 KB Output is correct
6 Correct 2 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 3 ms 2028 KB Output is correct
17 Correct 8 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 2028 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 5 ms 2412 KB Output is correct
26 Correct 3 ms 2284 KB Output is correct
27 Correct 3 ms 2156 KB Output is correct
28 Correct 7 ms 3052 KB Output is correct
29 Correct 24 ms 4616 KB Output is correct
30 Correct 7 ms 2668 KB Output is correct
31 Correct 13 ms 3688 KB Output is correct
32 Correct 9 ms 2924 KB Output is correct
33 Correct 48 ms 7164 KB Output is correct
34 Correct 34 ms 7164 KB Output is correct
35 Correct 66 ms 9344 KB Output is correct
36 Correct 7 ms 3180 KB Output is correct
37 Correct 81 ms 12312 KB Output is correct
38 Correct 68 ms 12808 KB Output is correct
39 Correct 79 ms 12552 KB Output is correct
40 Correct 58 ms 12556 KB Output is correct
41 Correct 101 ms 13064 KB Output is correct
42 Correct 8 ms 2412 KB Output is correct
43 Correct 8 ms 2284 KB Output is correct
44 Correct 7 ms 2156 KB Output is correct
45 Correct 432 ms 26688 KB Output is correct
46 Correct 334 ms 26752 KB Output is correct
47 Correct 322 ms 39100 KB Output is correct
48 Correct 74 ms 14348 KB Output is correct
49 Correct 54 ms 11364 KB Output is correct
50 Correct 48 ms 10720 KB Output is correct
51 Correct 156 ms 20232 KB Output is correct
52 Correct 159 ms 21260 KB Output is correct
53 Correct 40 ms 8956 KB Output is correct
54 Correct 6 ms 3052 KB Output is correct
55 Correct 10 ms 4220 KB Output is correct
56 Correct 14 ms 4716 KB Output is correct
57 Correct 113 ms 21276 KB Output is correct
58 Correct 20 ms 5612 KB Output is correct
59 Correct 26 ms 6404 KB Output is correct
60 Correct 33 ms 7428 KB Output is correct
61 Correct 59 ms 7164 KB Output is correct
62 Correct 283 ms 26248 KB Output is correct
63 Execution timed out 1106 ms 131812 KB Time limit exceeded
64 Halted 0 ms 0 KB -