Submission #1006997

#	Time	Username	Problem	Language	Result	Execution time	Memory
1006997		De3b0o	가장 긴 여행 (IOI23_longesttrip)	C++17	15 / 100	7 ms	596 KiB

longesttrip

#include "longesttrip.h"
#include<bits/stdc++.h>
#include<random>
#define ll long long
#define F first
#define S second
#define in insert
#define pb push_back
#define ppb pop_back()
#define d3 ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define cans cout << ans << "\n";
#define yes cout << "Yes" << "\n";
#define no cout << "No" << "\n";
#define pll pair<ll,ll>
#define lin cout << "\n";
#define sqr 340
#define mod 1000000007
#define mid ((l+r)/2)
#define lc (2*n)
#define rc (2*n+1)

using namespace std;

std::vector<int> longest_trip(int N, int D)
{
    ll n = N;
    vector<int> trnbo;
    trnbo.pb(0);
    ll x = -1;
    for(int i = 0 ; n-1>i ; i++)
    {
        if(are_connected({i},{i+1}))
            trnbo.pb(i+1);
        else
        {
            if(i==n-2)
                x=i+1;
            else if(i==n-3)
            {
                trnbo.pb(i+2);
                trnbo.pb(i+1);
                break;
            }
            else
            {
                trnbo.pb(i+2);
                trnbo.pb(i+1);
                trnbo.pb(i+3);
                i+=2;
            }
        }
    }
    if(x!=-1)
        trnbo.insert(trnbo.begin(),x);
    return trnbo;
}

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 0 / 25
• Subtask 4: 0 / 60