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Submission #338735

# Submission time Handle Problem Language Result Execution time Memory
338735 2020-12-23T19:21:24 Z ogibogi2004 Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 131860 KB 
#include<bits/stdc++.h>
using namespace std;
const int MAXN=3e4+2;
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 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 1900 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 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

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 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
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 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 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 3052 KB Output is correct
29 Correct 21 ms 4468 KB Output is correct
30 Correct 6 ms 2668 KB Output is correct
31 Correct 12 ms 3688 KB Output is correct
32 Correct 8 ms 2924 KB Output is correct
33 Correct 46 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 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 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 3 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 3052 KB Output is correct
29 Correct 21 ms 4468 KB Output is correct
30 Correct 6 ms 2668 KB Output is correct
31 Correct 12 ms 3688 KB Output is correct
32 Correct 8 ms 2924 KB Output is correct
33 Correct 45 ms 7164 KB Output is correct
34 Correct 34 ms 7164 KB Output is correct
35 Correct 61 ms 9344 KB Output is correct
36 Correct 7 ms 3180 KB Output is correct
37 Correct 59 ms 12164 KB Output is correct
38 Correct 69 ms 12816 KB Output is correct
39 Correct 62 ms 12424 KB Output is correct
40 Correct 63 ms 12556 KB Output is correct
41 Correct 88 ms 13064 KB Output is correct
42 Correct 7 ms 2412 KB Output is correct
43 Correct 7 ms 2284 KB Output is correct
44 Correct 6 ms 2156 KB Output is correct
45 Correct 338 ms 26504 KB Output is correct
46 Correct 277 ms 26508 KB Output is correct

Subtask #5
0 / 43.0

# 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 1 ms 1772 KB Output is correct
4 Correct 2 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 2028 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 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 9 ms 3052 KB Output is correct
29 Correct 21 ms 4468 KB Output is correct
30 Correct 8 ms 2668 KB Output is correct
31 Correct 12 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 35 ms 7164 KB Output is correct
35 Correct 67 ms 9344 KB Output is correct
36 Correct 7 ms 3180 KB Output is correct
37 Correct 61 ms 12164 KB Output is correct
38 Correct 72 ms 12808 KB Output is correct
39 Correct 56 ms 12424 KB Output is correct
40 Correct 67 ms 12556 KB Output is correct
41 Correct 95 ms 13192 KB Output is correct
42 Correct 7 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 348 ms 26504 KB Output is correct
46 Correct 293 ms 26632 KB Output is correct
47 Correct 276 ms 39024 KB Output is correct
48 Correct 79 ms 14348 KB Output is correct
49 Correct 57 ms 11364 KB Output is correct
50 Correct 47 ms 10720 KB Output is correct
51 Correct 151 ms 20232 KB Output is correct
52 Correct 190 ms 21256 KB Output is correct
53 Correct 40 ms 8956 KB Output is correct
54 Correct 7 ms 3100 KB Output is correct
55 Correct 9 ms 4220 KB Output is correct
56 Correct 15 ms 4716 KB Output is correct
57 Correct 102 ms 21260 KB Output is correct
58 Correct 21 ms 5612 KB Output is correct
59 Correct 26 ms 6404 KB Output is correct
60 Correct 34 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 1097 ms 131860 KB Time limit exceeded
64 Halted 0 ms 0 KB -