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Submission #338747

# Submission time Handle Problem Language Result Execution time Memory
338747 2020-12-23T19:36:25 Z ogibogi2004 Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 447 ms 262144 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()+1);
	dist.max_load_factor(0.0625);
	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 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 2 ms 1772 KB Output is correct
10 Correct 2 ms 2284 KB Output is correct
11 Correct 3 ms 2912 KB Output is correct
12 Correct 2 ms 1900 KB Output is correct
13 Correct 2 ms 1772 KB Output is correct
14 Correct 6 ms 3460 KB Output is correct
15 Correct 6 ms 3460 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 2284 KB Output is correct
11 Correct 3 ms 2912 KB Output is correct
12 Correct 2 ms 1900 KB Output is correct
13 Correct 2 ms 1772 KB Output is correct
14 Correct 6 ms 3460 KB Output is correct
15 Correct 6 ms 3460 KB Output is correct
16 Correct 3 ms 2792 KB Output is correct
17 Correct 7 ms 5264 KB Output is correct
18 Correct 3 ms 3432 KB Output is correct
19 Correct 3 ms 3036 KB Output is correct
20 Correct 2 ms 2412 KB Output is correct
21 Correct 2 ms 2524 KB Output is correct
22 Correct 3 ms 3232 KB Output is correct
23 Correct 4 ms 3432 KB Output is correct
24 Correct 7 ms 4732 KB Output is correct
25 Correct 4 ms 3684 KB Output is correct
26 Correct 5 ms 3624 KB Output is correct
27 Correct 4 ms 3304 KB Output is correct
28 Correct 10 ms 7196 KB Output is correct
29 Correct 33 ms 15440 KB Output is correct
30 Correct 9 ms 5640 KB Output is correct
31 Correct 16 ms 9128 KB Output is correct
32 Correct 12 ms 7068 KB Output is correct
33 Correct 65 ms 29520 KB Output is correct
34 Correct 56 ms 29520 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 2284 KB Output is correct
11 Correct 3 ms 2912 KB Output is correct
12 Correct 2 ms 1900 KB Output is correct
13 Correct 2 ms 1772 KB Output is correct
14 Correct 6 ms 3460 KB Output is correct
15 Correct 5 ms 3460 KB Output is correct
16 Correct 3 ms 2792 KB Output is correct
17 Correct 7 ms 5264 KB Output is correct
18 Correct 4 ms 3432 KB Output is correct
19 Correct 3 ms 3016 KB Output is correct
20 Correct 3 ms 2412 KB Output is correct
21 Correct 3 ms 2524 KB Output is correct
22 Correct 3 ms 3232 KB Output is correct
23 Correct 4 ms 3432 KB Output is correct
24 Correct 7 ms 4732 KB Output is correct
25 Correct 5 ms 3684 KB Output is correct
26 Correct 4 ms 3624 KB Output is correct
27 Correct 4 ms 3304 KB Output is correct
28 Correct 11 ms 7324 KB Output is correct
29 Correct 32 ms 15440 KB Output is correct
30 Correct 9 ms 5640 KB Output is correct
31 Correct 20 ms 9128 KB Output is correct
32 Correct 12 ms 7068 KB Output is correct
33 Correct 64 ms 29520 KB Output is correct
34 Correct 53 ms 29520 KB Output is correct
35 Correct 83 ms 27992 KB Output is correct
36 Correct 9 ms 6460 KB Output is correct
37 Correct 83 ms 41500 KB Output is correct
38 Correct 86 ms 42532 KB Output is correct
39 Correct 80 ms 42532 KB Output is correct
40 Correct 80 ms 42532 KB Output is correct
41 Correct 104 ms 42528 KB Output is correct
42 Correct 8 ms 3752 KB Output is correct
43 Correct 10 ms 3560 KB Output is correct
44 Correct 9 ms 2668 KB Output is correct
45 Correct 384 ms 110124 KB Output is correct
46 Correct 324 ms 110124 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 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 3 ms 2284 KB Output is correct
11 Correct 3 ms 2912 KB Output is correct
12 Correct 2 ms 1900 KB Output is correct
13 Correct 2 ms 1772 KB Output is correct
14 Correct 6 ms 3460 KB Output is correct
15 Correct 6 ms 3460 KB Output is correct
16 Correct 3 ms 2792 KB Output is correct
17 Correct 7 ms 5264 KB Output is correct
18 Correct 3 ms 3432 KB Output is correct
19 Correct 3 ms 3016 KB Output is correct
20 Correct 2 ms 2412 KB Output is correct
21 Correct 3 ms 2524 KB Output is correct
22 Correct 3 ms 3232 KB Output is correct
23 Correct 4 ms 3432 KB Output is correct
24 Correct 7 ms 4732 KB Output is correct
25 Correct 4 ms 3684 KB Output is correct
26 Correct 4 ms 3624 KB Output is correct
27 Correct 4 ms 3304 KB Output is correct
28 Correct 12 ms 7196 KB Output is correct
29 Correct 31 ms 15440 KB Output is correct
30 Correct 9 ms 5640 KB Output is correct
31 Correct 16 ms 9128 KB Output is correct
32 Correct 12 ms 7068 KB Output is correct
33 Correct 65 ms 29540 KB Output is correct
34 Correct 53 ms 29520 KB Output is correct
35 Correct 78 ms 27992 KB Output is correct
36 Correct 9 ms 6460 KB Output is correct
37 Correct 81 ms 41504 KB Output is correct
38 Correct 89 ms 42528 KB Output is correct
39 Correct 79 ms 42648 KB Output is correct
40 Correct 81 ms 42664 KB Output is correct
41 Correct 109 ms 42680 KB Output is correct
42 Correct 8 ms 3752 KB Output is correct
43 Correct 8 ms 3560 KB Output is correct
44 Correct 7 ms 2668 KB Output is correct
45 Correct 390 ms 110124 KB Output is correct
46 Correct 327 ms 110124 KB Output is correct
47 Correct 301 ms 172848 KB Output is correct
48 Correct 101 ms 55852 KB Output is correct
49 Correct 65 ms 36384 KB Output is correct
50 Correct 61 ms 35612 KB Output is correct
51 Correct 167 ms 75748 KB Output is correct
52 Correct 186 ms 81688 KB Output is correct
53 Correct 53 ms 24896 KB Output is correct
54 Correct 12 ms 8500 KB Output is correct
55 Correct 21 ms 14304 KB Output is correct
56 Correct 24 ms 10164 KB Output is correct
57 Correct 159 ms 99108 KB Output is correct
58 Correct 36 ms 16696 KB Output is correct
59 Correct 47 ms 23844 KB Output is correct
60 Correct 58 ms 29656 KB Output is correct
61 Correct 80 ms 27752 KB Output is correct
62 Correct 290 ms 118540 KB Output is correct
63 Runtime error 447 ms 262144 KB Execution killed with signal 9 (could be triggered by violating memory limits)
64 Halted 0 ms 0 KB -