oj.uz

답안 #966483

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
966483 2024-04-20T01:40:18 Z Darren0724 즐거운 행로 (APIO20_fun) C++17
0 / 100
 4 ms 5332 KB 
#include "fun.h"
#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(),x.end()
const int N=100005;
int cntid=0;
const int INF=1e9;
vector<int> sz(N,1),pa(N),ans;
priority_queue<pair<int,int>> pq[4];
vector<int> createFunTour(int n, int q) {
	int c1=n-1;
	int need=(n+1)/2;
	int mn=INF;
	for(int i=0;i<n-1;i++){
		int t=attractionsBehind(n-1, i);
		if(t>=need&&t<mn){
			mn=t;
			c1=i;
		}
	}
	vector<int> r;
	vector<int> dis0(N,0);
	for(int i=0;i<n;i++){
		dis0[i]=hoursRequired(c1,i);
		if(dis0[i]==1){
			r.push_back(i);
		}
	}
	int rsz=r.size()-1;
	assert(rsz<=2);
	vector<vector<int>> dis(rsz,vector<int>(N));
	vector<int> vis(N);
	for(int i=0;i<rsz;i++){
		for(int j=0;j<n;j++){
			dis[i][j]=hoursRequired(r[i],j);
		}
	}
	for(int i=0;i<n;i++){
		if(i==c1)continue;
		int p=-1;
		for(int j=0;j<rsz;j++){
			if(dis[j][i]<dis0[i]){
				p=j;break;
			}
		}
		if(p==-1)p=rsz;
		pq[p].push({dis0[i],i});
	}
	cntid=r.size();
	int last=-1;
	int left=n-1;
	for(int i=1;i<n;i++){
		array<int,3> p={-1,-1,-1};
		for(int j=0;j<cntid;j++){
			if(j==last||pq[j].size()==0)continue;
			p=max(p,array<int,3>{pq[j].top().first,(int)pq[j].size(),j});
		}
		pair<int,int> mx={-1,-1};
		for(int j=0;j<cntid;j++){
			mx=max(mx,{(int)pq[j].size(),j});
		}
		if(left<=mx.first*2){
			assert(last!=mx.second);
			p[2]=mx.second;
		}
		last=p[2];
		assert(last!=-1&&pq[last].size()>0);
		auto [dis1,idx]=pq[last].top();
		pq[last].pop();
		ans.push_back(idx);
		left--;
	}
	ans.push_back(c1);
	/*for(int j:ans){
		cout<<j<<' ';
	}
	cout<<endl;*/
  	return ans;
}
/*
46 100000
0 1
1 2
2 3
3 4
4 5
5 6
6 7
7 8
8 9
9 10
10 11
11 12
12 13
13 14
14 15
0 16
16 17 
17 18
18 19
19 20
20 21
21 22
22 23
23 24
24 25
25 26
26 27
27 28
28 29
29 30
0 31
31 32
31 33
32 34
32 35
33 36
33 37
34 38
34 39
35 40
35 41
36 42 
36 43
37 44
37 45
*/

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2768 KB Output is correct
2 Correct 1 ms 2004 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2772 KB Output is correct
6 Runtime error 4 ms 5332 KB Execution killed with signal 6
7 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2768 KB Output is correct
2 Correct 1 ms 2004 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2772 KB Output is correct
6 Runtime error 4 ms 5332 KB Execution killed with signal 6
7 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2004 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2772 KB Output is correct
5 Runtime error 4 ms 5332 KB Execution killed with signal 6
6 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2004 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Runtime error 3 ms 4560 KB Execution killed with signal 6
4 Halted 0 ms 0 KB -

Subtask #5
0 / 34.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2768 KB Output is correct
2 Correct 1 ms 2004 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2772 KB Output is correct
6 Runtime error 4 ms 5332 KB Execution killed with signal 6
7 Halted 0 ms 0 KB -