oj.uz

Submission #338731

# Submission time Handle Problem Language Result Execution time Memory
338731 2020-12-23T19:17:07 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())
	{
		if(clock()>0.9*CLOCKS_PER_SEC)
		{
			cout<<-1<<endl;
			return 0;
		}
		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 2 ms 1132 KB Output is correct
11 Correct 3 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 7 ms 1516 KB Output is correct
15 Correct 6 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 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 7 ms 1516 KB Output is correct
15 Correct 6 ms 1516 KB Output is correct
16 Correct 2 ms 1408 KB Output is correct
17 Correct 6 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 8 ms 1772 KB Output is correct
25 Correct 3 ms 1644 KB Output is correct
26 Correct 4 ms 1516 KB Output is correct
27 Correct 8 ms 1388 KB Output is correct
28 Correct 20 ms 2284 KB Output is correct
29 Correct 52 ms 3700 KB Output is correct
30 Correct 13 ms 1900 KB Output is correct
31 Correct 26 ms 2924 KB Output is correct
32 Correct 19 ms 2156 KB Output is correct
33 Correct 113 ms 6552 KB Output is correct
34 Correct 79 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 1 ms 1004 KB Output is correct
10 Correct 2 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 7 ms 1516 KB Output is correct
15 Correct 6 ms 1516 KB Output is correct
16 Correct 2 ms 1260 KB Output is correct
17 Correct 6 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 8 ms 1772 KB Output is correct
25 Correct 3 ms 1644 KB Output is correct
26 Correct 4 ms 1516 KB Output is correct
27 Correct 9 ms 1388 KB Output is correct
28 Correct 16 ms 2284 KB Output is correct
29 Correct 47 ms 3700 KB Output is correct
30 Correct 16 ms 1900 KB Output is correct
31 Correct 32 ms 2924 KB Output is correct
32 Correct 21 ms 2156 KB Output is correct
33 Correct 104 ms 6404 KB Output is correct
34 Correct 64 ms 6420 KB Output is correct
35 Correct 81 ms 7676 KB Output is correct
36 Correct 7 ms 2284 KB Output is correct
37 Correct 65 ms 10632 KB Output is correct
38 Correct 62 ms 10884 KB Output is correct
39 Correct 49 ms 10500 KB Output is correct
40 Correct 54 ms 10628 KB Output is correct
41 Correct 93 ms 11140 KB Output is correct
42 Correct 8 ms 1900 KB Output is correct
43 Correct 54 ms 1772 KB Output is correct
44 Correct 7 ms 1644 KB Output is correct
45 Correct 698 ms 24592 KB Output is correct
46 Correct 495 ms 24592 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 1132 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 8 ms 1516 KB Output is correct
15 Correct 6 ms 1516 KB Output is correct
16 Correct 2 ms 1260 KB Output is correct
17 Correct 6 ms 1900 KB Output is correct
18 Correct 3 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 8 ms 1772 KB Output is correct
25 Correct 4 ms 1644 KB Output is correct
26 Correct 4 ms 1516 KB Output is correct
27 Correct 7 ms 1388 KB Output is correct
28 Correct 17 ms 2284 KB Output is correct
29 Correct 51 ms 3700 KB Output is correct
30 Correct 14 ms 1900 KB Output is correct
31 Correct 29 ms 2924 KB Output is correct
32 Correct 18 ms 2156 KB Output is correct
33 Correct 102 ms 6404 KB Output is correct
34 Correct 65 ms 6400 KB Output is correct
35 Correct 83 ms 7568 KB Output is correct
36 Correct 7 ms 2296 KB Output is correct
37 Correct 66 ms 10632 KB Output is correct
38 Correct 61 ms 10884 KB Output is correct
39 Correct 51 ms 10500 KB Output is correct
40 Correct 56 ms 10628 KB Output is correct
41 Correct 101 ms 11140 KB Output is correct
42 Correct 8 ms 1900 KB Output is correct
43 Correct 49 ms 1772 KB Output is correct
44 Correct 7 ms 1516 KB Output is correct
45 Correct 701 ms 24592 KB Output is correct
46 Correct 494 ms 24592 KB Output is correct
47 Correct 315 ms 37620 KB Output is correct
48 Correct 66 ms 12932 KB Output is correct
49 Correct 47 ms 10216 KB Output is correct
50 Correct 49 ms 9956 KB Output is correct
51 Correct 206 ms 18828 KB Output is correct
52 Correct 188 ms 19728 KB Output is correct
53 Correct 38 ms 7428 KB Output is correct
54 Correct 12 ms 2284 KB Output is correct
55 Correct 21 ms 3452 KB Output is correct
56 Correct 34 ms 3516 KB Output is correct
57 Correct 113 ms 20404 KB Output is correct
58 Correct 56 ms 5032 KB Output is correct
59 Correct 53 ms 5756 KB Output is correct
60 Correct 61 ms 6908 KB Output is correct
61 Correct 487 ms 6480 KB Output is correct
62 Correct 596 ms 25096 KB Output is correct
63 Execution timed out 1079 ms 129892 KB Time limit exceeded
64 Halted 0 ms 0 KB -