3705 | 2023. 03. 02 12:25:13 | Dora | Találkozás | csharp | Elfogadva 55/55 | 196ms | 35576 KiB |
using System;
using System.Collections.Generic; //listához kell
using System.Linq;
public class Program
{
static void Main()
{
const int MAX = 100000;
int n = int.Parse(Console.ReadLine());
List<int> start = new List<int>(new int[MAX + 1]);
List<int> stop = new List<int>(new int[MAX + 1]);
for (int i = 0; i < n; i++)
{
string[] input = Console.ReadLine().Split();
int x = int.Parse(input[0]);
int y = int.Parse(input[1]);
start[x]++;
stop[y]++;
}
for (int i = 1; i <= MAX; i++)
{
start[i] += start[i - 1];
stop[i] += stop[i - 1];
}
int bestl = -1, bestr = -1, half = (n + 1) / 2;
int l = 1, r = 1;
while (r <= MAX)
{
while (r <= MAX && (Meet(start, stop, l, r) < half))
{
r++;
}
if (r > MAX)
{
break;
}
while (l <= r && (Meet(start, stop, l, r) >= half))
{
l++;
}
if (bestl == -1 || bestr - bestl > r - l)
{
bestl = l;
bestr = r;
}
}
Console.WriteLine(bestr - bestl + 2);
Console.WriteLine($"{bestl - 1} {bestr}");
Console.ReadKey();
}
static int Meet(List<int> start, List<int> stop, int l, int r)
{
if (l > r)
{
return 0;
}
return start[l] - stop[l - 1] + start[r] - start[l];
}
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 55/55 | ||||||
1 | Elfogadva | 0/0 | 37ms | 22956 KiB | |||
2 | Elfogadva | 0/0 | 184ms | 31856 KiB | |||
3 | Elfogadva | 2/2 | 37ms | 24296 KiB | |||
4 | Elfogadva | 2/2 | 35ms | 24236 KiB | |||
5 | Elfogadva | 2/2 | 35ms | 24360 KiB | |||
6 | Elfogadva | 2/2 | 35ms | 24548 KiB | |||
7 | Elfogadva | 2/2 | 37ms | 24820 KiB | |||
8 | Elfogadva | 3/3 | 35ms | 25080 KiB | |||
9 | Elfogadva | 3/3 | 35ms | 25048 KiB | |||
10 | Elfogadva | 3/3 | 37ms | 25596 KiB | |||
11 | Elfogadva | 3/3 | 45ms | 27600 KiB | |||
12 | Elfogadva | 3/3 | 48ms | 28800 KiB | |||
13 | Elfogadva | 3/3 | 50ms | 28856 KiB | |||
14 | Elfogadva | 3/3 | 65ms | 31968 KiB | |||
15 | Elfogadva | 3/3 | 67ms | 31964 KiB | |||
16 | Elfogadva | 3/3 | 64ms | 31936 KiB | |||
17 | Elfogadva | 3/3 | 64ms | 32116 KiB | |||
18 | Elfogadva | 3/3 | 83ms | 34808 KiB | |||
19 | Elfogadva | 3/3 | 196ms | 35284 KiB | |||
20 | Elfogadva | 3/3 | 182ms | 35132 KiB | |||
21 | Elfogadva | 3/3 | 194ms | 35292 KiB | |||
22 | Elfogadva | 3/3 | 190ms | 35576 KiB |