oj.uz

Submission #338730

# Submission time Handle Problem Language Result Execution time Memory
338730 2020-12-23T19:16:01 Z ogibogi2004 Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 129892 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;
vector<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].push_back(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;
		for(auto d1:doges1[u.pos])
		{
			if(d1==u.p)continue;
			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 1004 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 1004 KB Output is correct
4 Correct 1 ms 1004 KB Output is correct
5 Correct 1 ms 1004 KB Output is correct
6 Correct 1 ms 1004 KB Output is correct
7 Correct 1 ms 1004 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1004 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 1004 KB Output is correct
4 Correct 1 ms 1004 KB Output is correct
5 Correct 1 ms 1004 KB Output is correct
6 Correct 1 ms 1004 KB Output is correct
7 Correct 1 ms 1004 KB Output is correct
8 Correct 1 ms 1004 KB Output is correct
9 Correct 1 ms 1004 KB Output is correct
10 Correct 1 ms 1132 KB Output is correct
11 Correct 2 ms 1388 KB Output is correct
12 Correct 2 ms 1132 KB Output is correct
13 Correct 1 ms 1132 KB Output is correct
14 Correct 4 ms 1516 KB Output is correct
15 Correct 4 ms 1516 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1004 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 1004 KB Output is correct
4 Correct 1 ms 1004 KB Output is correct
5 Correct 1 ms 1004 KB Output is correct
6 Correct 2 ms 1004 KB Output is correct
7 Correct 1 ms 1004 KB Output is correct
8 Correct 1 ms 1004 KB Output is correct
9 Correct 1 ms 1004 KB Output is correct
10 Correct 1 ms 1132 KB Output is correct
11 Correct 2 ms 1388 KB Output is correct
12 Correct 2 ms 1132 KB Output is correct
13 Correct 2 ms 1132 KB Output is correct
14 Correct 5 ms 1516 KB Output is correct
15 Correct 4 ms 1516 KB Output is correct
16 Correct 2 ms 1260 KB Output is correct
17 Correct 5 ms 1900 KB Output is correct
18 Correct 2 ms 1388 KB Output is correct
19 Correct 2 ms 1388 KB Output is correct
20 Correct 2 ms 1260 KB Output is correct
21 Correct 2 ms 1260 KB Output is correct
22 Correct 2 ms 1388 KB Output is correct
23 Correct 3 ms 1388 KB Output is correct
24 Correct 5 ms 1772 KB Output is correct
25 Correct 3 ms 1644 KB Output is correct
26 Correct 3 ms 1516 KB Output is correct
27 Correct 6 ms 1388 KB Output is correct
28 Correct 9 ms 2284 KB Output is correct
29 Correct 26 ms 3700 KB Output is correct
30 Correct 6 ms 1900 KB Output is correct
31 Correct 12 ms 2924 KB Output is correct
32 Correct 8 ms 2156 KB Output is correct
33 Correct 47 ms 6404 KB Output is correct
34 Correct 34 ms 6400 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1004 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 1004 KB Output is correct
4 Correct 1 ms 1004 KB Output is correct
5 Correct 1 ms 1004 KB Output is correct
6 Correct 1 ms 1004 KB Output is correct
7 Correct 1 ms 1004 KB Output is correct
8 Correct 1 ms 1004 KB Output is correct
9 Correct 2 ms 1004 KB Output is correct
10 Correct 1 ms 1132 KB Output is correct
11 Correct 2 ms 1408 KB Output is correct
12 Correct 2 ms 1132 KB Output is correct
13 Correct 1 ms 1132 KB Output is correct
14 Correct 4 ms 1516 KB Output is correct
15 Correct 5 ms 1516 KB Output is correct
16 Correct 2 ms 1260 KB Output is correct
17 Correct 5 ms 1900 KB Output is correct
18 Correct 2 ms 1388 KB Output is correct
19 Correct 2 ms 1388 KB Output is correct
20 Correct 2 ms 1260 KB Output is correct
21 Correct 2 ms 1260 KB Output is correct
22 Correct 2 ms 1388 KB Output is correct
23 Correct 3 ms 1388 KB Output is correct
24 Correct 5 ms 1772 KB Output is correct
25 Correct 3 ms 1664 KB Output is correct
26 Correct 3 ms 1516 KB Output is correct
27 Correct 5 ms 1388 KB Output is correct
28 Correct 7 ms 2284 KB Output is correct
29 Correct 21 ms 3700 KB Output is correct
30 Correct 6 ms 1900 KB Output is correct
31 Correct 12 ms 2924 KB Output is correct
32 Correct 8 ms 2156 KB Output is correct
33 Correct 52 ms 6404 KB Output is correct
34 Correct 34 ms 6400 KB Output is correct
35 Correct 62 ms 7548 KB Output is correct
36 Correct 6 ms 2284 KB Output is correct
37 Correct 54 ms 10632 KB Output is correct
38 Correct 62 ms 10884 KB Output is correct
39 Correct 56 ms 10720 KB Output is correct
40 Correct 77 ms 10628 KB Output is correct
41 Correct 90 ms 11268 KB Output is correct
42 Correct 7 ms 1900 KB Output is correct
43 Correct 47 ms 1772 KB Output is correct
44 Correct 6 ms 1644 KB Output is correct
45 Correct 464 ms 24592 KB Output is correct
46 Correct 368 ms 24612 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1004 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 1004 KB Output is correct
4 Correct 1 ms 1004 KB Output is correct
5 Correct 1 ms 1004 KB Output is correct
6 Correct 1 ms 1004 KB Output is correct
7 Correct 1 ms 1004 KB Output is correct
8 Correct 1 ms 1004 KB Output is correct
9 Correct 1 ms 1004 KB Output is correct
10 Correct 1 ms 1132 KB Output is correct
11 Correct 2 ms 1388 KB Output is correct
12 Correct 2 ms 1132 KB Output is correct
13 Correct 1 ms 1132 KB Output is correct
14 Correct 5 ms 1516 KB Output is correct
15 Correct 4 ms 1516 KB Output is correct
16 Correct 2 ms 1260 KB Output is correct
17 Correct 5 ms 1900 KB Output is correct
18 Correct 2 ms 1388 KB Output is correct
19 Correct 2 ms 1388 KB Output is correct
20 Correct 2 ms 1260 KB Output is correct
21 Correct 2 ms 1260 KB Output is correct
22 Correct 2 ms 1388 KB Output is correct
23 Correct 3 ms 1388 KB Output is correct
24 Correct 5 ms 1772 KB Output is correct
25 Correct 3 ms 1644 KB Output is correct
26 Correct 3 ms 1516 KB Output is correct
27 Correct 5 ms 1388 KB Output is correct
28 Correct 9 ms 2284 KB Output is correct
29 Correct 21 ms 3796 KB Output is correct
30 Correct 7 ms 1900 KB Output is correct
31 Correct 11 ms 2924 KB Output is correct
32 Correct 8 ms 2156 KB Output is correct
33 Correct 46 ms 6404 KB Output is correct
34 Correct 34 ms 6400 KB Output is correct
35 Correct 65 ms 7548 KB Output is correct
36 Correct 6 ms 2284 KB Output is correct
37 Correct 61 ms 10632 KB Output is correct
38 Correct 63 ms 10884 KB Output is correct
39 Correct 51 ms 10500 KB Output is correct
40 Correct 54 ms 10628 KB Output is correct
41 Correct 86 ms 11140 KB Output is correct
42 Correct 7 ms 1900 KB Output is correct
43 Correct 47 ms 1772 KB Output is correct
44 Correct 6 ms 1516 KB Output is correct
45 Correct 459 ms 24592 KB Output is correct
46 Correct 365 ms 24592 KB Output is correct
47 Correct 270 ms 37492 KB Output is correct
48 Correct 73 ms 13060 KB Output is correct
49 Correct 45 ms 10216 KB Output is correct
50 Correct 55 ms 9828 KB Output is correct
51 Correct 162 ms 18828 KB Output is correct
52 Correct 164 ms 19676 KB Output is correct
53 Correct 34 ms 7428 KB Output is correct
54 Correct 5 ms 2284 KB Output is correct
55 Correct 9 ms 3452 KB Output is correct
56 Correct 15 ms 3564 KB Output is correct
57 Correct 105 ms 20488 KB Output is correct
58 Correct 23 ms 5032 KB Output is correct
59 Correct 24 ms 5756 KB Output is correct
60 Correct 31 ms 6780 KB Output is correct
61 Correct 444 ms 6464 KB Output is correct
62 Correct 370 ms 25096 KB Output is correct
63 Execution timed out 1101 ms 129892 KB Time limit exceeded
64 Halted 0 ms 0 KB -