oj.uz

Submission #338733

# Submission time Handle Problem Language Result Execution time Memory
338733 2020-12-23T19:19:25 Z ogibogi2004 Jakarta Skyscrapers (APIO15_skyscraper) C++14
36 / 100
 900 ms 11344 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(clock()>0.9*CLOCKS_PER_SEC)
			{
				cout<<-1<<endl;
				return 0;
			}
			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 2 ms 1132 KB Output is correct
11 Correct 4 ms 1388 KB Output is correct
12 Correct 13 ms 1152 KB Output is correct
13 Correct 2 ms 1132 KB Output is correct
14 Correct 58 ms 1516 KB Output is correct
15 Correct 53 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 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 2 ms 1132 KB Output is correct
11 Correct 4 ms 1388 KB Output is correct
12 Correct 13 ms 1132 KB Output is correct
13 Correct 2 ms 1132 KB Output is correct
14 Correct 58 ms 1516 KB Output is correct
15 Correct 52 ms 1516 KB Output is correct
16 Correct 2 ms 1260 KB Output is correct
17 Correct 8 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 3 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 5 ms 1388 KB Output is correct
24 Correct 11 ms 1772 KB Output is correct
25 Correct 4 ms 1644 KB Output is correct
26 Correct 2 ms 1516 KB Output is correct
27 Correct 145 ms 1516 KB Output is correct
28 Correct 16 ms 2284 KB Output is correct
29 Correct 31 ms 3700 KB Output is correct
30 Correct 7 ms 1900 KB Output is correct
31 Correct 16 ms 2924 KB Output is correct
32 Correct 11 ms 2156 KB Output is correct
33 Correct 101 ms 6404 KB Output is correct
34 Correct 88 ms 6548 KB Output is correct

Subtask #4
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 1 ms 1004 KB Output is correct
10 Correct 2 ms 1132 KB Output is correct
11 Correct 4 ms 1388 KB Output is correct
12 Correct 13 ms 1132 KB Output is correct
13 Correct 2 ms 1132 KB Output is correct
14 Correct 59 ms 1516 KB Output is correct
15 Correct 51 ms 1644 KB Output is correct
16 Correct 2 ms 1260 KB Output is correct
17 Correct 8 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 3 ms 1408 KB Output is correct
21 Correct 2 ms 1260 KB Output is correct
22 Correct 2 ms 1388 KB Output is correct
23 Correct 5 ms 1388 KB Output is correct
24 Correct 9 ms 1772 KB Output is correct
25 Correct 4 ms 1644 KB Output is correct
26 Correct 3 ms 1516 KB Output is correct
27 Correct 145 ms 1516 KB Output is correct
28 Correct 16 ms 2284 KB Output is correct
29 Correct 31 ms 3700 KB Output is correct
30 Correct 7 ms 1900 KB Output is correct
31 Correct 16 ms 2924 KB Output is correct
32 Correct 11 ms 2156 KB Output is correct
33 Correct 101 ms 6404 KB Output is correct
34 Correct 88 ms 6400 KB Output is correct
35 Correct 372 ms 7548 KB Output is correct
36 Correct 9 ms 2284 KB Output is correct
37 Correct 122 ms 10760 KB Output is correct
38 Correct 125 ms 10884 KB Output is correct
39 Correct 53 ms 10500 KB Output is correct
40 Correct 86 ms 10756 KB Output is correct
41 Correct 307 ms 11268 KB Output is correct
42 Correct 7 ms 2028 KB Output is correct
43 Incorrect 900 ms 1900 KB Output isn't correct
44 Halted 0 ms 0 KB -

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 2 ms 1132 KB Output is correct
11 Correct 4 ms 1388 KB Output is correct
12 Correct 13 ms 1132 KB Output is correct
13 Correct 2 ms 1132 KB Output is correct
14 Correct 58 ms 1516 KB Output is correct
15 Correct 50 ms 1516 KB Output is correct
16 Correct 2 ms 1408 KB Output is correct
17 Correct 8 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 3 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 5 ms 1388 KB Output is correct
24 Correct 9 ms 1772 KB Output is correct
25 Correct 4 ms 1644 KB Output is correct
26 Correct 3 ms 1516 KB Output is correct
27 Correct 146 ms 1516 KB Output is correct
28 Correct 24 ms 2284 KB Output is correct
29 Correct 30 ms 3700 KB Output is correct
30 Correct 7 ms 1900 KB Output is correct
31 Correct 16 ms 2924 KB Output is correct
32 Correct 11 ms 2156 KB Output is correct
33 Correct 101 ms 6404 KB Output is correct
34 Correct 90 ms 6400 KB Output is correct
35 Correct 370 ms 7676 KB Output is correct
36 Correct 9 ms 2284 KB Output is correct
37 Correct 119 ms 10888 KB Output is correct
38 Correct 128 ms 10884 KB Output is correct
39 Correct 52 ms 10500 KB Output is correct
40 Correct 86 ms 10628 KB Output is correct
41 Correct 311 ms 11344 KB Output is correct
42 Correct 7 ms 1900 KB Output is correct
43 Incorrect 900 ms 1900 KB Output isn't correct
44 Halted 0 ms 0 KB -