oj.uz

Submission #338728

# Submission time Handle Problem Language Result Execution time Memory
338728 2020-12-23T19:13:11 Z ogibogi2004 Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 141660 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;
unordered_map<int,bool>used;
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;
		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);
			}
		}
	}
	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 1132 KB Output is correct
10 Correct 2 ms 1260 KB Output is correct
11 Correct 3 ms 1532 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 6 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 1152 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 1132 KB Output is correct
10 Correct 2 ms 1260 KB Output is correct
11 Correct 3 ms 1532 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 3 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 3 ms 1644 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 12 ms 3180 KB Output is correct
29 Correct 32 ms 6144 KB Output is correct
30 Correct 9 ms 2796 KB Output is correct
31 Correct 17 ms 4344 KB Output is correct
32 Correct 11 ms 3180 KB Output is correct
33 Correct 72 ms 11252 KB Output is correct
34 Correct 55 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 4 ms 1532 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 3 ms 1516 KB Output is correct
20 Correct 2 ms 1388 KB Output is correct
21 Correct 3 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 8 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 32 ms 6144 KB Output is correct
30 Correct 9 ms 2796 KB Output is correct
31 Correct 22 ms 4344 KB Output is correct
32 Correct 15 ms 3212 KB Output is correct
33 Correct 72 ms 11164 KB Output is correct
34 Correct 56 ms 11160 KB Output is correct
35 Correct 97 ms 11820 KB Output is correct
36 Correct 11 ms 3052 KB Output is correct
37 Correct 117 ms 18220 KB Output is correct
38 Correct 112 ms 17832 KB Output is correct
39 Correct 105 ms 17576 KB Output is correct
40 Correct 114 ms 17832 KB Output is correct
41 Correct 154 ms 18344 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 623 ms 43960 KB Output is correct
46 Correct 507 ms 43832 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 1132 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 1532 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 6 ms 2412 KB Output is correct
18 Correct 3 ms 1644 KB Output is correct
19 Correct 3 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 33 ms 6272 KB Output is correct
30 Correct 10 ms 2868 KB Output is correct
31 Correct 22 ms 4344 KB Output is correct
32 Correct 12 ms 3180 KB Output is correct
33 Correct 73 ms 11164 KB Output is correct
34 Correct 55 ms 11160 KB Output is correct
35 Correct 97 ms 11924 KB Output is correct
36 Correct 11 ms 3052 KB Output is correct
37 Correct 109 ms 18092 KB Output is correct
38 Correct 113 ms 17832 KB Output is correct
39 Correct 109 ms 17660 KB Output is correct
40 Correct 117 ms 17704 KB Output is correct
41 Correct 148 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 606 ms 43832 KB Output is correct
46 Correct 503 ms 43832 KB Output is correct
47 Correct 524 ms 68872 KB Output is correct
48 Correct 142 ms 22312 KB Output is correct
49 Correct 102 ms 16304 KB Output is correct
50 Correct 89 ms 15788 KB Output is correct
51 Correct 270 ms 32692 KB Output is correct
52 Correct 293 ms 34616 KB Output is correct
53 Correct 51 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 4716 KB Output is correct
57 Correct 252 ms 38124 KB Output is correct
58 Correct 36 ms 8000 KB Output is correct
59 Correct 43 ms 9748 KB Output is correct
60 Correct 71 ms 11800 KB Output is correct
61 Correct 475 ms 10968 KB Output is correct
62 Correct 578 ms 44636 KB Output is correct
63 Execution timed out 1093 ms 141660 KB Time limit exceeded
64 Halted 0 ms 0 KB -