oj.uz

답안 #338726

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
338726 2020-12-23T19:09:45 Z ogibogi2004 Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 69504 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()
{
	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;
		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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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 2 ms 1132 KB Output is correct
10 Correct 2 ms 1132 KB Output is correct
11 Correct 5 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 6 ms 1772 KB Output is correct
15 Correct 6 ms 1772 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 952 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 1024 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 5 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 8 ms 1772 KB Output is correct
15 Correct 6 ms 1772 KB Output is correct
16 Correct 3 ms 1516 KB Output is correct
17 Correct 11 ms 2412 KB Output is correct
18 Correct 4 ms 1644 KB Output is correct
19 Correct 3 ms 1516 KB Output is correct
20 Correct 3 ms 1260 KB Output is correct
21 Correct 2 ms 1388 KB Output is correct
22 Correct 4 ms 1644 KB Output is correct
23 Correct 5 ms 1644 KB Output is correct
24 Correct 11 ms 2284 KB Output is correct
25 Correct 6 ms 2028 KB Output is correct
26 Correct 5 ms 1900 KB Output is correct
27 Correct 7 ms 1644 KB Output is correct
28 Correct 13 ms 3180 KB Output is correct
29 Correct 32 ms 6144 KB Output is correct
30 Correct 8 ms 2796 KB Output is correct
31 Correct 20 ms 4340 KB Output is correct
32 Correct 12 ms 3180 KB Output is correct
33 Correct 73 ms 11164 KB Output is correct
34 Correct 74 ms 11180 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 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 1132 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 2 ms 1132 KB Output is correct
11 Correct 6 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 6 ms 1772 KB Output is correct
15 Correct 7 ms 1772 KB Output is correct
16 Correct 3 ms 1516 KB Output is correct
17 Correct 11 ms 2412 KB Output is correct
18 Correct 4 ms 1644 KB Output is correct
19 Correct 3 ms 1516 KB Output is correct
20 Correct 3 ms 1260 KB Output is correct
21 Correct 2 ms 1388 KB Output is correct
22 Correct 3 ms 1644 KB Output is correct
23 Correct 5 ms 1644 KB Output is correct
24 Correct 9 ms 2284 KB Output is correct
25 Correct 7 ms 2028 KB Output is correct
26 Correct 5 ms 1900 KB Output is correct
27 Correct 7 ms 1644 KB Output is correct
28 Correct 12 ms 3180 KB Output is correct
29 Correct 33 ms 6144 KB Output is correct
30 Correct 8 ms 2796 KB Output is correct
31 Correct 18 ms 4340 KB Output is correct
32 Correct 11 ms 3180 KB Output is correct
33 Correct 72 ms 11164 KB Output is correct
34 Correct 75 ms 11160 KB Output is correct
35 Correct 258 ms 11804 KB Output is correct
36 Correct 17 ms 3180 KB Output is correct
37 Correct 372 ms 18472 KB Output is correct
38 Correct 398 ms 18616 KB Output is correct
39 Correct 411 ms 18368 KB Output is correct
40 Correct 412 ms 18344 KB Output is correct
41 Correct 419 ms 18216 KB Output is correct
42 Correct 19 ms 2284 KB Output is correct
43 Correct 56 ms 2028 KB Output is correct
44 Correct 15 ms 1644 KB Output is correct
45 Correct 567 ms 44116 KB Output is correct
46 Correct 548 ms 43940 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 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 1152 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 6 ms 1644 KB Output is correct
12 Correct 3 ms 1132 KB Output is correct
13 Correct 2 ms 1132 KB Output is correct
14 Correct 6 ms 1772 KB Output is correct
15 Correct 6 ms 1772 KB Output is correct
16 Correct 3 ms 1516 KB Output is correct
17 Correct 11 ms 2412 KB Output is correct
18 Correct 4 ms 1644 KB Output is correct
19 Correct 3 ms 1516 KB Output is correct
20 Correct 3 ms 1260 KB Output is correct
21 Correct 2 ms 1388 KB Output is correct
22 Correct 3 ms 1644 KB Output is correct
23 Correct 5 ms 1644 KB Output is correct
24 Correct 11 ms 2284 KB Output is correct
25 Correct 8 ms 2028 KB Output is correct
26 Correct 5 ms 1900 KB Output is correct
27 Correct 7 ms 1644 KB Output is correct
28 Correct 12 ms 3180 KB Output is correct
29 Correct 31 ms 6144 KB Output is correct
30 Correct 8 ms 2796 KB Output is correct
31 Correct 18 ms 4340 KB Output is correct
32 Correct 11 ms 3180 KB Output is correct
33 Correct 74 ms 11164 KB Output is correct
34 Correct 73 ms 11160 KB Output is correct
35 Correct 225 ms 11804 KB Output is correct
36 Correct 17 ms 3180 KB Output is correct
37 Correct 373 ms 18472 KB Output is correct
38 Correct 404 ms 18472 KB Output is correct
39 Correct 427 ms 18472 KB Output is correct
40 Correct 407 ms 18472 KB Output is correct
41 Correct 433 ms 18344 KB Output is correct
42 Correct 19 ms 2284 KB Output is correct
43 Correct 57 ms 2028 KB Output is correct
44 Correct 15 ms 1644 KB Output is correct
45 Correct 562 ms 43952 KB Output is correct
46 Correct 552 ms 43824 KB Output is correct
47 Execution timed out 1102 ms 69504 KB Time limit exceeded
48 Halted 0 ms 0 KB -