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Submission #338727

# Submission time Handle Problem Language Result Execution time Memory
338727 2020-12-23T19:11:27 Z ogibogi2004 Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 139760 KB 
#include<bits/stdc++.h>
using namespace std;
const int MAXN=3e4+6;
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;
unordered_map<int,bool>used;
int main()
{
	srand(69);
	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;
		used[s]=0;
	}
	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(used[u.pos*MAXN+u.p])continue;
		if(u.pos==d[1].pos&&u.p==d[1].p)break;
		used[u.pos*MAXN+u.p]=1;
		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);
			}
		}
	}
	/*for(auto s:states)
	{
		cout<<s/MAXN<<" "<<s%MAXN<<" "<<dist[s]<<endl;
	}*/
	if(dist[d[1].pos*MAXN+d[1].p]==INF)
	{
		cout<<-1<<endl;
	}
	else cout<<dist[d[1].pos*MAXN+d[1].p]<<endl;
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 1132 KB Output is correct
10 Correct 2 ms 1260 KB Output is correct
11 Correct 3 ms 1644 KB Output is correct
12 Correct 1 ms 1132 KB Output is correct
13 Correct 1 ms 1132 KB Output is correct
14 Correct 5 ms 1772 KB Output is correct
15 Correct 5 ms 1772 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 1132 KB Output is correct
10 Correct 1 ms 1260 KB Output is correct
11 Correct 3 ms 1644 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 1772 KB Output is correct
15 Correct 5 ms 1772 KB Output is correct
16 Correct 2 ms 1516 KB Output is correct
17 Correct 7 ms 2412 KB Output is correct
18 Correct 3 ms 1644 KB Output is correct
19 Correct 2 ms 1516 KB Output is correct
20 Correct 2 ms 1536 KB Output is correct
21 Correct 2 ms 1388 KB Output is correct
22 Correct 4 ms 1644 KB Output is correct
23 Correct 4 ms 1644 KB Output is correct
24 Correct 7 ms 2284 KB Output is correct
25 Correct 4 ms 2028 KB Output is correct
26 Correct 4 ms 1900 KB Output is correct
27 Correct 6 ms 1644 KB Output is correct
28 Correct 11 ms 3180 KB Output is correct
29 Correct 33 ms 6144 KB Output is correct
30 Correct 9 ms 2796 KB Output is correct
31 Correct 18 ms 4356 KB Output is correct
32 Correct 12 ms 3180 KB Output is correct
33 Correct 71 ms 11164 KB Output is correct
34 Correct 57 ms 11160 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 1132 KB Output is correct
10 Correct 2 ms 1260 KB Output is correct
11 Correct 3 ms 1644 KB Output is correct
12 Correct 2 ms 1132 KB Output is correct
13 Correct 1 ms 1132 KB Output is correct
14 Correct 6 ms 1772 KB Output is correct
15 Correct 5 ms 1772 KB Output is correct
16 Correct 2 ms 1516 KB Output is correct
17 Correct 7 ms 2412 KB Output is correct
18 Correct 3 ms 1644 KB Output is correct
19 Correct 2 ms 1516 KB Output is correct
20 Correct 2 ms 1388 KB Output is correct
21 Correct 2 ms 1388 KB Output is correct
22 Correct 3 ms 1644 KB Output is correct
23 Correct 4 ms 1644 KB Output is correct
24 Correct 7 ms 2284 KB Output is correct
25 Correct 4 ms 2028 KB Output is correct
26 Correct 4 ms 1900 KB Output is correct
27 Correct 6 ms 1644 KB Output is correct
28 Correct 11 ms 3180 KB Output is correct
29 Correct 34 ms 6136 KB Output is correct
30 Correct 9 ms 2796 KB Output is correct
31 Correct 18 ms 4356 KB Output is correct
32 Correct 12 ms 3180 KB Output is correct
33 Correct 75 ms 11164 KB Output is correct
34 Correct 58 ms 11288 KB Output is correct
35 Correct 101 ms 11796 KB Output is correct
36 Correct 9 ms 3052 KB Output is correct
37 Correct 112 ms 18092 KB Output is correct
38 Correct 118 ms 17960 KB Output is correct
39 Correct 102 ms 17576 KB Output is correct
40 Correct 108 ms 17832 KB Output is correct
41 Correct 151 ms 18472 KB Output is correct
42 Correct 10 ms 2284 KB Output is correct
43 Correct 49 ms 2028 KB Output is correct
44 Correct 6 ms 1644 KB Output is correct
45 Correct 539 ms 43832 KB Output is correct
46 Correct 452 ms 43704 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 2 ms 1004 KB Output is correct
9 Correct 1 ms 1132 KB Output is correct
10 Correct 2 ms 1260 KB Output is correct
11 Correct 3 ms 1644 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 1772 KB Output is correct
15 Correct 5 ms 1772 KB Output is correct
16 Correct 2 ms 1516 KB Output is correct
17 Correct 7 ms 2412 KB Output is correct
18 Correct 3 ms 1644 KB Output is correct
19 Correct 2 ms 1516 KB Output is correct
20 Correct 2 ms 1388 KB Output is correct
21 Correct 2 ms 1408 KB Output is correct
22 Correct 3 ms 1644 KB Output is correct
23 Correct 4 ms 1644 KB Output is correct
24 Correct 7 ms 2284 KB Output is correct
25 Correct 4 ms 2028 KB Output is correct
26 Correct 4 ms 2028 KB Output is correct
27 Correct 6 ms 1644 KB Output is correct
28 Correct 11 ms 3180 KB Output is correct
29 Correct 33 ms 6144 KB Output is correct
30 Correct 9 ms 2796 KB Output is correct
31 Correct 18 ms 4356 KB Output is correct
32 Correct 12 ms 3180 KB Output is correct
33 Correct 77 ms 11164 KB Output is correct
34 Correct 62 ms 11160 KB Output is correct
35 Correct 92 ms 11796 KB Output is correct
36 Correct 9 ms 3052 KB Output is correct
37 Correct 108 ms 18092 KB Output is correct
38 Correct 110 ms 17832 KB Output is correct
39 Correct 105 ms 17576 KB Output is correct
40 Correct 114 ms 17704 KB Output is correct
41 Correct 153 ms 18216 KB Output is correct
42 Correct 8 ms 2284 KB Output is correct
43 Correct 48 ms 2028 KB Output is correct
44 Correct 6 ms 1644 KB Output is correct
45 Correct 545 ms 43704 KB Output is correct
46 Correct 446 ms 43880 KB Output is correct
47 Correct 521 ms 69128 KB Output is correct
48 Correct 137 ms 22568 KB Output is correct
49 Correct 110 ms 16432 KB Output is correct
50 Correct 104 ms 15916 KB Output is correct
51 Correct 274 ms 32948 KB Output is correct
52 Correct 284 ms 34664 KB Output is correct
53 Correct 57 ms 11292 KB Output is correct
54 Correct 9 ms 3564 KB Output is correct
55 Correct 15 ms 5640 KB Output is correct
56 Correct 18 ms 4844 KB Output is correct
57 Correct 258 ms 38192 KB Output is correct
58 Correct 38 ms 8128 KB Output is correct
59 Correct 47 ms 10004 KB Output is correct
60 Correct 61 ms 11796 KB Output is correct
61 Correct 477 ms 11028 KB Output is correct
62 Correct 560 ms 44592 KB Output is correct
63 Execution timed out 1100 ms 139760 KB Time limit exceeded
64 Halted 0 ms 0 KB -