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Submission #338746

# Submission time Handle Problem Language Result Execution time Memory
338746 2020-12-23T19:35:41 Z ogibogi2004 Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 122788 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(0.5);
	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 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 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 2 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 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 3 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 7 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 4 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 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 3 ms 2412 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 3116 KB Output is correct
29 Correct 24 ms 4992 KB Output is correct
30 Correct 7 ms 2656 KB Output is correct
31 Correct 16 ms 3684 KB Output is correct
32 Correct 9 ms 2988 KB Output is correct
33 Correct 51 ms 8200 KB Output is correct
34 Correct 40 ms 8200 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 1792 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 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 7 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 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 3 ms 2412 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 3116 KB Output is correct
29 Correct 27 ms 4992 KB Output is correct
30 Correct 7 ms 2656 KB Output is correct
31 Correct 14 ms 3556 KB Output is correct
32 Correct 9 ms 2988 KB Output is correct
33 Correct 54 ms 8200 KB Output is correct
34 Correct 38 ms 8204 KB Output is correct
35 Correct 69 ms 10012 KB Output is correct
36 Correct 7 ms 3156 KB Output is correct
37 Correct 65 ms 12824 KB Output is correct
38 Correct 64 ms 13468 KB Output is correct
39 Correct 51 ms 13212 KB Output is correct
40 Correct 63 ms 13216 KB Output is correct
41 Correct 81 ms 13852 KB Output is correct
42 Correct 9 ms 2412 KB Output is correct
43 Correct 8 ms 2412 KB Output is correct
44 Correct 7 ms 2156 KB Output is correct
45 Correct 401 ms 30120 KB Output is correct
46 Correct 325 ms 30248 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 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 7 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 2816 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 2156 KB Output is correct
23 Correct 3 ms 2156 KB Output is correct
24 Correct 7 ms 2540 KB Output is correct
25 Correct 4 ms 2412 KB Output is correct
26 Correct 3 ms 2156 KB Output is correct
27 Correct 4 ms 2156 KB Output is correct
28 Correct 7 ms 3116 KB Output is correct
29 Correct 26 ms 4992 KB Output is correct
30 Correct 7 ms 2656 KB Output is correct
31 Correct 13 ms 3556 KB Output is correct
32 Correct 9 ms 2988 KB Output is correct
33 Correct 57 ms 8200 KB Output is correct
34 Correct 39 ms 8200 KB Output is correct
35 Correct 63 ms 10012 KB Output is correct
36 Correct 8 ms 3156 KB Output is correct
37 Correct 60 ms 12952 KB Output is correct
38 Correct 65 ms 13480 KB Output is correct
39 Correct 73 ms 13212 KB Output is correct
40 Correct 64 ms 13216 KB Output is correct
41 Correct 84 ms 13852 KB Output is correct
42 Correct 7 ms 2412 KB Output is correct
43 Correct 8 ms 2412 KB Output is correct
44 Correct 6 ms 2156 KB Output is correct
45 Correct 406 ms 30248 KB Output is correct
46 Correct 320 ms 30120 KB Output is correct
47 Correct 257 ms 43080 KB Output is correct
48 Correct 84 ms 16172 KB Output is correct
49 Correct 38 ms 11360 KB Output is correct
50 Correct 36 ms 10716 KB Output is correct
51 Correct 126 ms 21364 KB Output is correct
52 Correct 147 ms 22692 KB Output is correct
53 Correct 54 ms 9488 KB Output is correct
54 Correct 7 ms 3320 KB Output is correct
55 Correct 11 ms 4652 KB Output is correct
56 Correct 16 ms 4984 KB Output is correct
57 Correct 112 ms 24268 KB Output is correct
58 Correct 23 ms 5468 KB Output is correct
59 Correct 37 ms 7008 KB Output is correct
60 Correct 48 ms 8336 KB Output is correct
61 Correct 63 ms 8020 KB Output is correct
62 Correct 262 ms 30452 KB Output is correct
63 Execution timed out 1040 ms 122788 KB Time limit exceeded
64 Halted 0 ms 0 KB -