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Submission #338744

# Submission time Handle Problem Language Result Execution time Memory
338744 2020-12-23T19:32:47 Z ogibogi2004 Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 162640 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);
	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()+1);
	dist.max_load_factor(0.25);
	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

# 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 1792 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 1644 KB Output is correct
9 Correct 2 ms 1792 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 2432 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 2 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 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 4 ms 2540 KB Output is correct
26 Correct 3 ms 2284 KB Output is correct
27 Correct 3 ms 2304 KB Output is correct
28 Correct 7 ms 3628 KB Output is correct
29 Correct 25 ms 6052 KB Output is correct
30 Correct 9 ms 3012 KB Output is correct
31 Correct 13 ms 4068 KB Output is correct
32 Correct 9 ms 3500 KB Output is correct
33 Correct 54 ms 10504 KB Output is correct
34 Correct 40 ms 10580 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 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 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 4 ms 2284 KB Output is correct
24 Correct 6 ms 2844 KB Output is correct
25 Correct 4 ms 2540 KB Output is correct
26 Correct 4 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 25 ms 6052 KB Output is correct
30 Correct 7 ms 3012 KB Output is correct
31 Correct 13 ms 4068 KB Output is correct
32 Correct 10 ms 3500 KB Output is correct
33 Correct 54 ms 10504 KB Output is correct
34 Correct 43 ms 10504 KB Output is correct
35 Correct 64 ms 11756 KB Output is correct
36 Correct 7 ms 3540 KB Output is correct
37 Correct 65 ms 15840 KB Output is correct
38 Correct 68 ms 16412 KB Output is correct
39 Correct 58 ms 16412 KB Output is correct
40 Correct 57 ms 16416 KB Output is correct
41 Correct 90 ms 16556 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 370 ms 37968 KB Output is correct
46 Correct 288 ms 38096 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 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 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 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 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 4 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 26 ms 6188 KB Output is correct
30 Correct 8 ms 3012 KB Output is correct
31 Correct 13 ms 4068 KB Output is correct
32 Correct 9 ms 3520 KB Output is correct
33 Correct 53 ms 10504 KB Output is correct
34 Correct 39 ms 10504 KB Output is correct
35 Correct 65 ms 11756 KB Output is correct
36 Correct 7 ms 3668 KB Output is correct
37 Correct 60 ms 15708 KB Output is correct
38 Correct 70 ms 16540 KB Output is correct
39 Correct 58 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 7 ms 2156 KB Output is correct
45 Correct 371 ms 37968 KB Output is correct
46 Correct 291 ms 37968 KB Output is correct
47 Correct 229 ms 56520 KB Output is correct
48 Correct 75 ms 20140 KB Output is correct
49 Correct 45 ms 13920 KB Output is correct
50 Correct 39 ms 13276 KB Output is correct
51 Correct 131 ms 26868 KB Output is correct
52 Correct 146 ms 28708 KB Output is correct
53 Correct 40 ms 11024 KB Output is correct
54 Correct 8 ms 3856 KB Output is correct
55 Correct 11 ms 5676 KB Output is correct
56 Correct 17 ms 5496 KB Output is correct
57 Correct 113 ms 32076 KB Output is correct
58 Correct 25 ms 6620 KB Output is correct
59 Correct 31 ms 8800 KB Output is correct
60 Correct 38 ms 10768 KB Output is correct
61 Correct 61 ms 10196 KB Output is correct
62 Correct 246 ms 40180 KB Output is correct
63 Execution timed out 1098 ms 162640 KB Time limit exceeded
64 Halted 0 ms 0 KB -