1857 | 2022. 12. 05 16:07:50 | kdb | Leghosszabb béke (75 pont) | cpp11 | Elfogadva 75/75 | 21ms | 4756 KiB |
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
ostream& operator<<(ostream& os, vector<int>& input)
{
for (auto i : input)
{
os << i << " ";
}
os << endl;
return os;
}
int main()
{
cin.tie(nullptr);
cout.tie(nullptr);
ios_base::sync_with_stdio(false);
int n, m;
cin >> n >> m;
vector<int>vec(n + 1);
for (size_t i = 0; i < m; i++)
{
int a, b;
cin >> a >> b;
vec[a]++;
vec[b]--;
}
int k = 0, v = 0, c = 0, d = 0;
for (size_t i = 1; i < n + 1; i++)
{
vec[i] += vec[i - 1];
if (vec[i] > 0) k = i + 1;
else
{
v = i;
}
if (v - k > c)
{
c = v - k;
d = k;
}
}
if (c == 0) cout << -1 << endl;
else cout << c << " " << d + 1 << endl;
return 0;
}
/*
50 6
3 20
45 46
28 30
12 20
40 48
8 12
*/
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 75/75 | ||||||
1 | Elfogadva | 0/0 | 3ms | 1832 KiB | |||
2 | Elfogadva | 0/0 | 21ms | 2740 KiB | |||
3 | Elfogadva | 3/3 | 2ms | 2260 KiB | |||
4 | Elfogadva | 3/3 | 2ms | 2428 KiB | |||
5 | Elfogadva | 3/3 | 2ms | 2632 KiB | |||
6 | Elfogadva | 3/3 | 2ms | 2728 KiB | |||
7 | Elfogadva | 3/3 | 2ms | 2864 KiB | |||
8 | Elfogadva | 4/4 | 2ms | 2912 KiB | |||
9 | Elfogadva | 4/4 | 2ms | 2940 KiB | |||
10 | Elfogadva | 4/4 | 2ms | 3276 KiB | |||
11 | Elfogadva | 4/4 | 3ms | 3164 KiB | |||
12 | Elfogadva | 4/4 | 4ms | 3188 KiB | |||
13 | Elfogadva | 4/4 | 3ms | 3484 KiB | |||
14 | Elfogadva | 4/4 | 3ms | 3752 KiB | |||
15 | Elfogadva | 4/4 | 4ms | 3672 KiB | |||
16 | Elfogadva | 4/4 | 4ms | 3848 KiB | |||
17 | Elfogadva | 4/4 | 4ms | 3772 KiB | |||
18 | Elfogadva | 4/4 | 4ms | 4028 KiB | |||
19 | Elfogadva | 4/4 | 19ms | 4500 KiB | |||
20 | Elfogadva | 4/4 | 20ms | 4756 KiB | |||
21 | Elfogadva | 4/4 | 19ms | 4700 KiB | |||
22 | Elfogadva | 4/4 | 20ms | 4624 KiB |