8753 | 2024. 01. 28 17:46:34 | Ignác | Leghosszabb béke (75 pont) | cpp17 | Elfogadva 75/75 | 82ms | 5376 KiB |
// Source: https://usaco.guide/general/io
#include <bits/stdc++.h>
using namespace std;
int main() {
int n, m;
cin >> n >> m;
vector<pair<int, int>> war(m);
for (int i = 0; i < m; i++) {
cin >> war[i].first >> war[i].second;
}
sort(war.begin(), war.end());
int end = 0, maxh = 0, maxk = 0;
for (int i = 0; i < m; i++) {
if (war[i].first > end + 1) {
if (war[i].first - end - 1 > maxh) {
maxh = war[i].first - end - 1;
maxk = end + 1;
}
}
if (war[i].second > end) end = war[i].second;
}
if (n - end > maxh) {
maxh = n - end;
maxk = end + 1;
}
if (maxh == 0) cout << -1;
else cout << maxh << " " << maxk;
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 75/75 | ||||||
1 | Elfogadva | 0/0 | 3ms | 1816 KiB | |||
2 | Elfogadva | 0/0 | 82ms | 3408 KiB | |||
3 | Elfogadva | 3/3 | 3ms | 2264 KiB | |||
4 | Elfogadva | 3/3 | 3ms | 2472 KiB | |||
5 | Elfogadva | 3/3 | 3ms | 2836 KiB | |||
6 | Elfogadva | 3/3 | 3ms | 2820 KiB | |||
7 | Elfogadva | 3/3 | 3ms | 3044 KiB | |||
8 | Elfogadva | 4/4 | 3ms | 3268 KiB | |||
9 | Elfogadva | 4/4 | 3ms | 3524 KiB | |||
10 | Elfogadva | 4/4 | 3ms | 3696 KiB | |||
11 | Elfogadva | 4/4 | 7ms | 3788 KiB | |||
12 | Elfogadva | 4/4 | 8ms | 3804 KiB | |||
13 | Elfogadva | 4/4 | 6ms | 3784 KiB | |||
14 | Elfogadva | 4/4 | 7ms | 3788 KiB | |||
15 | Elfogadva | 4/4 | 8ms | 3804 KiB | |||
16 | Elfogadva | 4/4 | 8ms | 3956 KiB | |||
17 | Elfogadva | 4/4 | 8ms | 3880 KiB | |||
18 | Elfogadva | 4/4 | 9ms | 3820 KiB | |||
19 | Elfogadva | 4/4 | 75ms | 5072 KiB | |||
20 | Elfogadva | 4/4 | 76ms | 5376 KiB | |||
21 | Elfogadva | 4/4 | 74ms | 5288 KiB | |||
22 | Elfogadva | 4/4 | 76ms | 5288 KiB |