제출 #1065175

#제출 시각아이디문제언어결과실행 시간메모리
1065175pcc가장 긴 여행 (IOI23_longesttrip)C++17
15 / 100
8 ms600 KiB
#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;

#define vi vector<int>

int ask(vector<int> a,vector<int> b){
	return are_connected(a,b);
}

int ask(int a,int b){
	return ask(vector<int>({a}),vector<int>({b}));
}

std::vector<int> longest_trip(int N, int D){
	deque<int> ans;
	if(!ask(0,1)){
		ans = {0,2,1};
	}
	else if(!ask(0,2)){
		ans = {0,1,2};
	}
	else{
		ans = {2,0,1};
	}
	for(int i = 3;i<N;i++){
		if(ask(i,ans.front())){
			ans.push_front(i);
		}
		else{
			ans.push_back(i);
		}
	}
	vi v;
	for(auto &i:ans)v.push_back(i);
	return v;
}
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