7774 | 2024. 01. 11 09:32:54 | NotYou | Elágazás nélküli úton levő települések (50 pont) | csharp | Elfogadva 50/50 | 109ms | 36452 KiB |
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace StopElagazas
{
class Program
{
static void Main(string[] args)
{
int[] inp = Console.ReadLine().Split().Select(int.Parse).ToArray();
int n = inp[0] + 1;
int m = inp[1];
int[] l = new int[2];
List<int>[] cities = new List<int>[n + 1];
List<int> bag = new List<int>();
for (int i = 0; i < n; i++)
{
cities[i] = new List<int>();
}
for (int i = 0; i < m; i++)
{
l = Console.ReadLine().Split().Select(int.Parse).ToArray();
cities[l[1]].Add(l[0]);
cities[l[0]].Add(l[1]);
}
for (int i = 1; i < n; i++)
{
if (cities[i].Count == 1)
{
bag.Add(i);
}
}
int last = -1;
int dis;
List<int> sol = new List<int>();
for (int i = 0; i < bag.Count; i++)
{
dis = bag[i];
while (true)
{
if (dis == bag[i])
{
last = dis;
dis = cities[bag[i]].First();
if (!sol.Contains(dis))
{
sol.Add(dis);
}
}
else if (cities[dis].Count == 2)
{
if (cities[dis][0] == last)
{
last = dis;
dis = cities[dis][1];
}
else
{
last = dis;
dis = cities[dis][0];
}
if (!sol.Contains(dis))
{
sol.Add(dis);
}
}
else
{
break;
}
}
}
Console.WriteLine(sol.Count);
sol.Sort();
for (int i = 0; i < sol.Count; i++)
{
Console.Write(sol[i] + " ");
}
Console.ReadLine();
}
}
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 50/50 | ||||||
1 | Elfogadva | 0/0 | 35ms | 22212 KiB | |||
2 | Elfogadva | 0/0 | 108ms | 33332 KiB | |||
3 | Elfogadva | 2/2 | 37ms | 23532 KiB | |||
4 | Elfogadva | 2/2 | 35ms | 23696 KiB | |||
5 | Elfogadva | 2/2 | 32ms | 23720 KiB | |||
6 | Elfogadva | 2/2 | 35ms | 23960 KiB | |||
7 | Elfogadva | 2/2 | 37ms | 24244 KiB | |||
8 | Elfogadva | 2/2 | 41ms | 26016 KiB | |||
9 | Elfogadva | 2/2 | 48ms | 28028 KiB | |||
10 | Elfogadva | 2/2 | 56ms | 30704 KiB | |||
11 | Elfogadva | 2/2 | 68ms | 33776 KiB | |||
12 | Elfogadva | 2/2 | 71ms | 34348 KiB | |||
13 | Elfogadva | 3/3 | 39ms | 26924 KiB | |||
14 | Elfogadva | 3/3 | 43ms | 28372 KiB | |||
15 | Elfogadva | 3/3 | 48ms | 29080 KiB | |||
16 | Elfogadva | 3/3 | 56ms | 29356 KiB | |||
17 | Elfogadva | 3/3 | 70ms | 35320 KiB | |||
18 | Elfogadva | 3/3 | 70ms | 35284 KiB | |||
19 | Elfogadva | 3/3 | 79ms | 35460 KiB | |||
20 | Elfogadva | 3/3 | 105ms | 36152 KiB | |||
21 | Elfogadva | 3/3 | 109ms | 36364 KiB | |||
22 | Elfogadva | 3/3 | 108ms | 36452 KiB |